Need Help in Context Methods

Hi Everyone,
Iam Working on Wbdynpro from a week,I was able to see many methods like
get_static_attributes_table,get_element...etc etc
can anyone post a document containing detail descriptions of the methods like how can they be used
and in what context they shld be used...
Thanks,
Harika

Hi Harika,
Welcome to Web Dynpro for ABAP Forum.
Check the below article and sap document for your reference.
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/60730016-dbba-2a10-8f96-9754a865b814
http://help.sap.com/saphelp_erp2005/helpdata/en/de/408e41392fb85fe10000000a1550b0/frameset.htm
If you want any clarification search in sap help documents.

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this program consists three seperate classes. i have two of the three working, i just can't figure out this one. here is my code, and the pseudo code for the methods. any help would be greatly appreciated. i am getting the following 18 errors
CheckingAccountsTest.java:35: getAccountType(java.lang.String) in CheckingAccount cannot be applied to ()
if(myFields[indexForAccountType].equals(CheckingAccount.getAccountType())){ //A-1-2-10
^
CheckingAccountsTest.java:45: cannot find symbol
symbol : constructor CheckingAccountPlus(java.lang.String,java.lang.String,java.lang.String,double)
location: class CheckingAccountPlus
CheckingAccountPlus currentAccount = new CheckingAccountPlus(myFields[indexForAccountId], //A-1-2-17 THROUGH A-1-2-20
^
CheckingAccountsTest.java:72: getAccountId(java.lang.String) in CheckingAccount cannot be applied to ()
currentAccount.getAccountId().equals(myFields[indexForAccountId]); //A-1-3-06
^
CheckingAccountsTest.java:124: cannot find symbol
symbol : method makeDeposit(double)
location: class CheckingAccountPlus
currentAccount.makeDeposit(amount); //A-1-6-02
^
CheckingAccountsTest.java:161: getAccountId(java.lang.String) in CheckingAccount cannot be applied to ()
currentAccount, currentAccount.getAccountId(), CheckingAccount.getAccountType(), currentAccount.getBalance());
^
CheckingAccountsTest.java:161: getAccountType(java.lang.String) in CheckingAccount cannot be applied to ()
currentAccount, currentAccount.getAccountId(), CheckingAccount.getAccountType(), currentAccount.getBalance());
^
CheckingAccountsTest.java:167: non-static method getAccountType() cannot be referenced from a static context
currentAccount, currentAccount.getAccountId(), CheckingAccountPlus.getAccountType(), currentAccount.getBalance());
^
CheckingAccountsTest.java:171: getAccountId(java.lang.String) in CheckingAccount cannot be applied to ()
System.out.printf("Account Totals", currentAccount.getAccountId(), CheckingAccount.getAccountType(), //A-1-11-01
^
CheckingAccountsTest.java:171: getAccountType(java.lang.String) in CheckingAccount cannot be applied to ()
System.out.printf("Account Totals", currentAccount.getAccountId(), CheckingAccount.getAccountType(), //A-1-11-01
^
CheckingAccountsTest.java:172: getBeginningBalance(double) in CheckingAccount cannot be applied to ()
currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-11-02
^
CheckingAccountsTest.java:172: getDeposits(double) in CheckingAccount cannot be applied to ()
currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-11-02
^
CheckingAccountsTest.java:172: getWithdrawals(double) in CheckingAccount cannot be applied to ()
currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-11-02
^
CheckingAccountsTest.java:173: getFees(double) in CheckingAccount cannot be applied to ()
currentAccount.getFees(), currentAccount.getBalance(), currentAccount.getOverdrafts(), " *"); //A-1-11-03 THROUGH A-1-11-04
^
CheckingAccountsTest.java:173: getOverdrafts(double) in CheckingAccount cannot be applied to ()
currentAccount.getFees(), currentAccount.getBalance(), currentAccount.getOverdrafts(), " *"); //A-1-11-03 THROUGH A-1-11-04
^
CheckingAccountsTest.java:178: getAccountType(java.lang.String) in CheckingAccount cannot be applied to ()
System.out.printf("Account Totals", currentAccount.getAccountId(), CheckingAccount.getAccountType(), //A-1-12-01
^
CheckingAccountsTest.java:179: cannot find symbol
symbol : method getBeginningBalance()
location: class CheckingAccountPlus
currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-12-02
^
CheckingAccountsTest.java:179: cannot find symbol
symbol : method getDeposits()
location: class CheckingAccountPlus
currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-12-02
^
CheckingAccountsTest.java:180: cannot find symbol
symbol : method getSumOfCreditCardAdvances()
location: class CheckingAccountPlus
currentAccount.getBalance(), currentAccount.getSumOfCreditCardAdvances(), " *"); //A-1-12-03 THROUGH A-1-12-04
^
18 errors
Process completed.
public class CheckingAccountsTest
     private static final int indexForAccountId = 0;
     private static final int indexForAccountType = 2;
     private static final int indexForBalance = 5;
     private static final int indexForDepositAmount = 2;
     private static final int indexForFirstName = 3;
     private static final int indexForLastName = 4;
     private static final int indexForRecordType = 1;
     private static final int indexForWithdrawalAmount = 2;
     private static final String recordTypeForDeposit = "CKD";
     private static double sumOfBeginningBalances = 0.0;
     private static double sumOfCreditCardAdvances = 0.0;
     private static double sumOfDeposits = 0.0;
     private static double sumOfEndingBalances = 0.0;
     private static double sumOfFees = 0.0;
     private static double sumOfOverdrafts = 0.0;
     private static double sumOfWithdrawals = 0.0;
public static void main(String args[])
     MyCsvFile myFile = new MyCsvFile("monthlyBankTransactions,v05.txt"); //A-1-2-01 THRU A-1-2-02
     System.out.println("\nBig Bank: Monthly Checking Account Activity\n"); //A-1-2-04
     System.out.println("----------- Account ----------- Beginning\t\t    With-\t\t   Ending\tOver-\tCredit Cd"); //A-1-2-05
     System.out.println("     Name\t   Id    Type\t Balance   +   Deposit   - drawal   -    Fee   = Balance\tdraft\t Advance\n"); //A-1-2-06
     myFile.readARecord(); //A-1-2-07
     while(myFile.getEofFound() == false) //A-1-2-08
          String []myFields = myFile.getCsvRecordFieldArray();//A-1-2-09
          if(myFields[indexForAccountType].equals(CheckingAccount.getAccountType())){ //A-1-2-10
         CheckingAccount currentAccount = new CheckingAccount(myFields[indexForAccountId], //A-1-2-11 THROUGH A-1-2-12
         myFields[indexForFirstName], myFields[indexForLastName],
         Double.parseDouble(myFields[indexForBalance])); //A-1-2-13
         handleAccount(currentAccount, myFile, myFields); //A-1-2-14
         currentAccount = null;// A-1-2-15
    else//A-1-2-16
         CheckingAccountPlus currentAccount = new CheckingAccountPlus(myFields[indexForAccountId], //A-1-2-17 THROUGH A-1-2-20
         myFields[indexForFirstName], myFields[indexForLastName], Double.parseDouble(myFields[indexForBalance]));
         handleAccount(currentAccount, myFile, myFields);
         currentAccount = null; //A-1-2-21
    }//end if A-1-2-22
}//end while A-1-2-23
     System.out.printf("Report Totals", sumOfBeginningBalances,sumOfDeposits, //A-1-2-24
     sumOfWithdrawals, sumOfFees, sumOfEndingBalances, sumOfOverdrafts, sumOfCreditCardAdvances, "**"); //A-1-2-25
     System.out.printf("The information in the above report is from the 17 records in the following file:",
     myFile.getCountOfRecords());                                                                           //A-1-2-26
     System.out.printf("Path to file:", myFile.getFilePath()); //A-1-2-27
     System.out.printf("Name of file:", myFile.getFileName()); //A-1-2-28
     System.out.println("\nEnd of program"); //A-1-2-29
}// end main method
public static void handleAccount(CheckingAccount currentAccount, MyCsvFile myFile, String []myFields)
     sumOfBeginningBalances += currentAccount.getBalance(); //A-1-3-01
     printBeginningBalance(currentAccount); // A-1-3-02
     myFile.readARecord(); //A-1-3-03
     myFields = myFile.getCsvRecordFieldArray(); //A-1-3-04
while (myFile.getEofFound() == false) //A-1-3-05
   currentAccount.getAccountId().equals(myFields[indexForAccountId]); //A-1-3-06
if(myFields[indexForRecordType].equals(recordTypeForDeposit)){ //A-1-3-07
     handleDeposit(currentAccount, Double.parseDouble(myFields[indexForDepositAmount])); //A-1-3-08 THROUGH A-1-3-09
      else //A-1-3-10
      handleWithdrawal(currentAccount,Double.parseDouble(myFields[indexForWithdrawalAmount])); //A-1-3-11 THROUGH A-1-3-12
   }//end if //A-1-3-13
myFile.readARecord();//A-1-3-14
myFields = myFile.getCsvRecordFieldArray(); //A-1-3-15 THROUGH A-1-3-16
}//end while //A-1-3-17
sumOfEndingBalances += currentAccount.getBalance();//A-1-3-18
printEndingBalance(currentAccount); //A-1-3-19
public static void handleAccount(CheckingAccountPlus currentAccount, MyCsvFile myFile, String [] myFields)
sumOfBeginningBalances += currentAccount.getBalance(); //A-1-4-01
printBeginningBalance(currentAccount); //A-1-4-02
myFile.readARecord(); //A-1-4-03
myFields = myFile.getCsvRecordFieldArray(); //A-1-4-04
while (myFile.getEofFound()==false) //A-1-4-05
currentAccount.getAccountId().equals (myFields[indexForAccountId]); //A-1-4-06
if(myFields[indexForRecordType].equals(recordTypeForDeposit)){ //A-1-4-07
     handleDeposit(currentAccount, Double.parseDouble(myFields[indexForDepositAmount])); //A-1-4-08 THROUGH //A-1-4-09
      else //A-1-4-10
      handleWithdrawal(currentAccount,Double.parseDouble(myFields[indexForWithdrawalAmount])); //A-1-4-11 THROUGH A-1-4-12
   }//end if A-1-4-13
myFile.readARecord(); //A-1-4-14
myFields = myFile.getCsvRecordFieldArray(); //A-1-4-15 THROUGH A-1-4-16
}//end while A-1-4-17
sumOfEndingBalances += currentAccount.getBalance(); //A-1-4-18
printEndingBalance(currentAccount); //A-1-4-19
private static void handleDeposit(CheckingAccount currentAccount, double amount)
sumOfDeposits += amount; //A-1-5-01
currentAccount.makeDeposit(amount); //A-1-5-02
System.out.printf("$,%.2f", amount); //A-1-5-03
private static void handleDeposit(CheckingAccountPlus currentAccount, double amount)
sumOfDeposits += amount;//A-1-6-01
currentAccount.makeDeposit(amount); //A-1-6-02
System.out.printf("$,%.2f", amount); //A-1-6-03
private static void handleWithdrawal(CheckingAccount currentAccount, double amount)
if (currentAccount.makeWithdrawal(amount) == true){ //A-1-7-01
   sumOfWithdrawals += amount; //A-1-7-02
   System.out.printf("$,%.2f", amount); //A-1-7-03
}else{ //A-1-7-04
   double overdraftFee = currentAccount.getOverdraftFee(); //A-1-7-05
   sumOfFees += overdraftFee; //A-1-7-06
   sumOfOverdrafts += amount; //A-1-7-07
   System.out.printf("$,%.2f",overdraftFee, amount); //A-1-7-08
}//end if A-1-7-09
private static void handleWithdrawal(CheckingAccountPlus currentAccount, double amount)
     if (currentAccount.makeWithdrawal(amount) == true){ //A-1-8-01
        sumOfWithdrawals += amount; //A-1-8-02
        System.out.printf("$,%.2f",amount); //A-1-8-03
}else{ //A-1-8-04
   double creditCardAdvance = currentAccount.getCreditCardAdvance(); //A-1-8-05 THROUGH A-1-8-06
   sumOfCreditCardAdvances += creditCardAdvance; //A-1-8-07
   sumOfWithdrawals += currentAccount.getActualWithdrawal(); //A-1-8-08
   System.out.printf("$,%.2f",currentAccount.getActualWithdrawal(),creditCardAdvance); //A-1-8-09
}//end if //A-1-8-10
private static void printBeginningBalance(CheckingAccount currentAccount)
System.out.printf("",   //A-1-9-01 THROUGH A-1-9-02
   currentAccount, currentAccount.getAccountId(), CheckingAccount.getAccountType(), currentAccount.getBalance());
private static void printBeginningBalance(CheckingAccountPlus currentAccount)
System.out.printf("",   //A-1-10-01 TROUGH A-1-10-02
   currentAccount, currentAccount.getAccountId(), CheckingAccountPlus.getAccountType(), currentAccount.getBalance());
private static void printEndingBalance(CheckingAccount currentAccount)
System.out.printf("Account Totals", currentAccount.getAccountId(), CheckingAccount.getAccountType(), //A-1-11-01
    currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-11-02
    currentAccount.getFees(), currentAccount.getBalance(), currentAccount.getOverdrafts(), " *"); //A-1-11-03 THROUGH A-1-11-04
private static void printEndingBalance(CheckingAccountPlus currentAccount)
System.out.printf("Account Totals", currentAccount.getAccountId(), CheckingAccount.getAccountType(), //A-1-12-01
    currentAccount.getBeginningBalance(), currentAccount.getDeposits(), currentAccount.getWithdrawals(), //A-1-12-02
    currentAccount.getBalance(), currentAccount.getSumOfCreditCardAdvances(), " *"); //A-1-12-03 THROUGH A-1-12-04
}PSEUDO CODE FOR ALL METHODS
This public static method has no return value and has one parameter of type String named args[ ], an array
A-1-2-01)     INSTANTIATE a local variable named myFile of class MyCsvFile, passing a single String argument for the CSV filename:
A-1-2-02)          ?monthlyBankTransactions,v05.txt?
A-1-2-03)     DISPLAY the task / programmer identification line
A-1-2-04)     DISPLAY the ?Big Bank: Monthly Checking Account Activity? title line
A-1-2-05)     DISPLAY the first column heading line: ?---------- Account ----------??
A-1-2-06)     DISPLAY the second column heading line: ? Name Id??
A-1-2-07)     Get 1st record from CSV file using method readARecord: MyCsvFile class: myFile.readARecord()
A-1-2-08)     WHILE (myFile.getEofFound() IS FALSE)
A-1-2-09)          DEFINE a String Array named myFields, and ASSIGN it the value myFile.getCsvRecordFieldArray()
A-1-2-10)          IF (myFields[indexForAccountType].equals(CheckingAccount.getAccountType()))
A-1-2-11)               INSTANTIATE a local variable named currentAccount of class CheckingAccount, passing the following arguments:
A-1-2-12)                    myFields[indexForAccountId], myFields[indexForFirstName], myFields[indexForLastName],
A-1-2-13)                    Double.parseDouble(myFields[indexForBalance])
A-1-2-14)               CALL method handleAccount of this class, passing the following arguments: currentAccount, myFile, myFields
A-1-2-15)               ASSIGN null TO currentAccount
A-1-2-16)          ELSE
A-1-2-17)     INSTANTIATE a local variable named currentAccount of class CheckingAccountPlus, passing the following arguments:
A-1-2-18)          myFields[indexForAccountId], myFields[indexForFirstName], myFields[indexForLastName],
A-1-2-19)          Double.parseDouble(myFields[indexForBalance])
A-1-2-20)     CALL method handleAccount of this class, passing the following arguments: currentAccount, myFile, myFields
A-1-2-21)               ASSIGN null TO currentAccount
A-1-2-22)          END IF
A-1-2-23)     END WHILE
A-1-2-24)     DISPLAY the report-total line using the following arguments: ?Report Totals?, sumOfBeginningBalances, sumOfDeposits,
A-1-2-25)          sumOfWithdrawals, sumOfFees, sumOfEndingBalances, sumOfOverdrafts, sumOfCreditCardAdvances and ?**?
A-1-2-26)     DISPLAY the ?The information in the above report? line with the following arguments: myFile.getCountOfRecords()
A-1-2-27)     DISPLAY the ?Path to file? line with the following arguments: myFile.getFilePath()
A-1-2-28)     DISPLAY the ?Name of file? line with the following arguments: myFile.getFileName()
A-1-2-29)     DISPLAY the ?End of program? line
This private static method has no return value, and has three parameters: currentAccount of type CheckingAccount, myFile of type MyCsvFile and myFields of type String array.
A-1-3-01)     CALL method currentAcccount.getBalance and ADD its return value to sumOfBeginningBalances
A-1-3-02)     CALL method printBeginningBalance with the following argument list: currentAccount
A-1-3-03)     CALL method myFile.readARecord, which reads the 1st record after the Balance record (a deposit or withdrawal) for the current customer
A-1-3-04)     CALL method myFile.getCsvRecordFieldArray and ASSIGN its return value to myFields, a String array. This makes the values from the
A-1-3-05)          fields in the record just read available for access as elements in the myFields string array
A-1-3-06)     WHILE (myFile.getEofFound() IS FALSE AND currentAccount.getAccountId().equals(myFields[indexForAccountId]))
A-1-3-07)          IF (myFields[indexForRecordType].equals(recordTypeForDeposit))
A-1-3-08)               CALL method handleDeposit with the following argument list: currentAccount,
A-1-3-09)                    Double.parseDouble(myFields[indexForDepositAmount]
A-1-3-10)          ELSE
A-1-3-11)               CALL method handleWithdrawal with the following argument list: currentAccount,
A-1-3-12)                    Double.parseDouble(myFields[indexForWithdrawalAmount]
A-1-3-13)          END IF
A-1-3-14)          CALL method myFile.readARecord, which reads the next deposit or withdrawal record, if any, for this customer
A-1-3-15)     CALL method myFile.getCsvRecordFieldArray and ASSIGN its return value to myFields, a String array. This makes the value from the
A-1-3-16)          fields in the record just read available for access as elements in the myFields string array
A-1-3-17)     END WHILE
A-1-3-18)     CALL method currentAcccount.getBalance and ADD its return value to sumOfEndingBalances
A-1-3-19)     CALL method printEndingBalance with the following argument list: currentAccount
This private static method has no return value, and has three parameters: currentAccount of type CheckingAccountPlus, myFile of type MyCsvFile and myFields of type String array.
A-1-4-01)     CALL method currentAcccount.getBalance and ADD its return value to sumOfBeginningBalances
A-1-4-02)     CALL method printBeginningBalance with the following argument list: currentAccount
A-1-4-03)     CALL method myFile.readARecord, which reads the 1st record after the Balance record (a deposit or withdrawal) for the current customer
A-1-4-04)     CALL method myFile.getCsvRecordFieldArray and ASSIGN its return value to myFields, a String array. This makes the values from the
A-1-4-05)          fields in the record just read available for access as elements in the myFields string array
A-1-4-06)     WHILE (myFile.getEofFound() IS FALSE AND currentAccount.getAccountId().equals(myFields[indexForAccountId]))
A-1-4-07)          IF (myFields[indexForRecordType].equals(recordTypeForDeposit))
A-1-4-08)               CALL method handleDeposit with the following argument list: currentAccount,
A-1-4-09)                    Double.parseDouble(myFields[indexForDepositAmount]
A-1-4-10)          ELSE
A-1-4-11)               CALL method handleWithdrawal with the following argument list: currentAccount,
A-1-4-12)                    Double.parseDouble(myFields[indexForWithdrawalAmount]
A-1-4-13)          END IF
A-1-4-14)          CALL method myFile.readARecord, which reads the next deposit or withdrawal record, if any, for this customer
A-1-4-15)     CALL method myFile.getCsvRecordFieldArray and ASSIGN its return value to myFields, a String array. This makes the value from the
A-1-4-16)          fields in the record just read available for access as elements in the myFields string array
A-1-4-17)     END WHILE
A-1-4-18)     CALL method currentAcccount.getBalance and ADD its return value to sumOfEndingBalances
A-1-4-19)     CALL method printEndingBalance with the following argument list: currentAccount
This private static method has no return value, and has two parameters: currentAccount of type CheckingAccount and amount of type double.
A-1-5-01)     ADD amount TO sumOfDeposits
A-1-5-02)     CALL method currentAccount.makeDeposit, passing it the following arguments: amount
A-1-5-03)     DISPLAY the deposit line using the following arguments: amount
This private static method has no return value, and has two parameters: currentAccount of type CheckingAccountPlus and amount of type double.
A-1-6-01)     ADD amount TO sumOfDeposits
A-1-6-02)     CALL method currentAccount.makeDeposit, passing it the following arguments: amount
A-1-6-03)     DISPLAY the deposit line using the following arguments: amount
This private static method has no return value, and has two parameters: currentAccount of type CheckingAccount and amount of type double.
A-1-7-01)     IF (currentAccount.makeWithdrawal(amount) IS TRUE)
A-1-7-02)          ADD amount TO sumOfWithdrawals
A-1-7-03)          DISPLAY the withdrawal line using the following arguments: amount
A-1-7-04)     ELSE
A-1-7-05)          DEFINE variable overdraftFee of type double and ASSIGN it the value returned from a call of method currentAccount.getOvedraftFee
A-1-7-06)          ADD overdraftFee TO sumOfFees
A-1-7-07)          ADD amount TO sumOfOverdrafts
A-1-7-08)          DISPLAY the overdraft line using the following arguments: overdraftFee, amount
A-1-7-09)     END IF
This private static method has no return value, and has two parameters: currentAccount of type CheckingAccountPlus and amount of type double.
A-1-8-01)     IF (currentAccount.makeWithdrawal(amount) IS TRUE)
A-1-8-02)          ADD amount TO sumOfWithdrawals
A-1-8-03)          DISPLAY the withdrawal line using the following arguments: amount
A-1-8-04)     ELSE
A-1-8-05)          DEFINE variable creditCardAdvance of type double and ASSIGN it the value returned from a call of method
A-1-8-06)               currentAccount.getCreditCardAdvance
A-1-8-07)          ADD creditCardAdvance TO sumOfCreditCardAdvances
A-1-8-08)          ADD currentAccount.getActualWithdrawal() TO sumOfWithdrawals
A-1-8-09)          DISPLAY the credit-card-advance line using the following arguments: currentAccount.getActualWithdrawal(),creditCardAdvance
A-1-8-10)     END IF
This private static method has no return value, and has one parameter: currentAccount of type CheckingAccount.
A-1-9-01)     DISPLAY the beginning balance line using the following arguments: currentAccount , currentAccount.getAccountId(),
A-1-9-02)          currentAccount.getAccountType() and currentAccount.getBalance()
This private static method has no return value, and has one parameter: currentAccount of type CheckingAccountPlus.
A-1-10-01)     DISPLAY the beginning balance line using the following arguments: currentAccount , currentAccount.getAccountId(),
A-1-10-02)          currentAccount.getAccountType() and currentAccount.getBalance()
This private static method has no return value, and has one parameter: currentAccount of type CheckingAccount.
A-1-11-01)     DISPLAY the ending balance line using the following arguments: ?Account Totals,? currentAccount.getAccountId(),
A-1-11-02)          currentAccount.getAccountType(), currentAccount.getBeginningBalance(), currentAccount.getDeposits(),
A-1-11-03)          currentAccount.getWithdrawals(), currentAccount.getFees(), currentAccount.getBalance() and
A-1-11-04)          currentAccount.getOverdrafts(), ?? *?

You're calling a bunch of methods and constructors with the wrong arguments, or missing arguments. Take the errors one by one, and look at the method you're being told you're calling, and check that the arguments you're using are right

Need help getting Main method to work...

Hello everyone, I have a problem, I have a GUI that I need to run (it compiles fine, but will not run.) I am very new to Java and programing in general so go easy on me. I think I am just missing something simple here. I am going to post the basic code and see if you all can help...the issue is in written in red to help you identify my problem...
public class LagersGUI extends JFrame implements ActionListener,Serializable
{color:#0000ff}private {color}JTextArea {color:#339966}textArea{color};
{color:#0000ff}private {color}JButton {color:#339966}start,
next,
previous,
last;{color}
JLabel {color:#339966}imageLabel{color};
{color:#0000ff}private static{color} LagersAddInfo {color:#339966}inv{color} = {color:#0000ff}new {color}LagersAddInfo();
{color:#808080} /**
* @param arg0
* @throws HeadlessException
*/{color}
{color:#0000ff}public {color}LagersGUI( String arg0 ) {color:#0000ff}throws {color}HeadlessException
{color:#0000ff}super{color}( {color:#ff9900}"Inventory GUI" {color});
{color:#339966}textArea{color} = {color:#0000ff}new {color}JTextArea( 800,800 );
JScrollPane scrollPane = new JScrollPane( {color:#339966}textArea{color} );
textArea.setEditable( {color:#0000ff}false {color});
scrollPane.setVerticalScrollBarPolicy( JScrollPane.VERTICAL_SCROLLBAR_ALWAYS );
scrollPane.setPreferredSize( new Dimension( 600, 100 ) );
JPanel cp = new JPanel();
cp.setSize( 400, 100 );
cp.setLayout( new BorderLayout() );
cp.add( scrollPane,BorderLayout.{color:#339966}CENTER{color} );
JPanel buttonPanel = new JPanel();
JPanel buttonPanel1 = new JPanel();
{color:#339966}start{color} = new JButton( {color:#ff9900}"Start"{color} );
{color:#339966}start{color}.addActionListener( {color:#0000ff}this {color});
{color:#339966} next{color} = new JButton( {color:#ff9900}"Next" {color});
{color:#339966} next{color}.addActionListener( {color:#0000ff}this {color});
{color:#339966}previous{color} = new JButton( {color:#ff9900}"Previous"{color} );
{color:#339966} previous{color}.addActionListener( {color:#0000ff}this {color});
{color:#339966} last{color} = new JButton({color:#ff9900} "Last"{color} );
{color:#339966} last{color}.addActionListener( {color:#0000ff}this {color});
buttonPanel.add( {color:#339966}start {color});
buttonPanel.add( {color:#339966}next {color});
buttonPanel.add( {color:#339966}previous {color});
buttonPanel.add( {color:#339966}last {color});
cp.add( buttonPanel,BorderLayout.{color:#339966}SOUTH {color});
cp.add( buttonPanel1,BorderLayout.{color:#339966}NORTH {color});{color:#999999}///NewInventory_Test/logo.gif{color}
java.net.URL u = {color:#0000ff}this{color}.getClass().getClassLoader().getResource({color:#ff9900}"\\NewInventory_Test\\logo.gif"{color});
ImageIcon icon = {color:#0000ff}new {color}ImageIcon(u);
{color:#339966}imageLabel{color} = new JLabel( {color:#ff9900}"Inventory View"{color}, icon, JLabel.{color:#339966}CENTER {color});
cp.add({color:#339966} imageLabel{color},BorderLayout.{color:#339966}WEST{color} );
{color:#0000ff}this{color}.setContentPane( cp );
{color:#0000ff}this{color}.setContentPane( cp );
{color:#0000ff}this{color}.setTitle( "Inventory Program IT 215" );
{color:#0000ff}this{color}.setDefaultCloseOperation( JFrame.{color:#339966}EXIT_ON_CLOSE{color} );
{color:#0000ff} this{color}.{color:#339966}textArea{color}.setText({color:#339966}inv{color}.getStart());
{color:#0000ff} this{color}.setSize(200, 200);
{color:#0000ff}this{color}.pack();
{color:#0000ff}this{color}.setVisible( {color:#0000ff}true {color});
@Override
{color:#0000ff}public void{color} actionPerformed( ActionEvent e )
// TODO Auto-generated method stub
{color:#0000ff} if {color}( e.getActionCommand().equals({color:#ff9900} "Start"{color} ) )
textArea.setText( {color:#339966}inv{color}.getStart() );
{color:#0000ff}if {color}( e.getActionCommand().equals( {color:#ff9900}"Next" {color}) )
textArea.setText({color:#339966}inv{color}.getNext());
{color:#0000ff}if{color} ( e.getActionCommand().equals( {color:#ff9900}"Previous" {color}) )
textArea.setText( {color:#339966}inv{color}.getPrevious() );
{color:#0000ff} if{color} ( e.getActionCommand().equals( {color:#ff9900}"Last"{color} ) )
textArea.setText({color:#339966}inv{color}.getLast());
{color:#0000ff}public static {color}LagersAddInfo getInv()
{color:#0000ff}return{color:#339966} {color}{color}{color:#339966}inv{color};
{color:#0000ff}public static void{color} setInv( LagersAddInfo inv )
LagersGUI.{color:#339966}inv {color}= inv;
{color:#808080} /**
* @param args
*/{color}
{color:#0000ff}public static void {color}main( String[] args )
LagersGUI {color:#ff0000}_inventory_ {color}= {color:#0000ff}new {color}LagersGUI( {color:#ff9900}"Inventory"{color} );{color:#ff0000}//** here's the part I'm having trouble with...inventory is an * unused variable. What other way could I get {color:#000000}main{color} */ method to work?{color}
}

This forum can format your code for you and make it easier to read. Simply click the CODE button and two tags will appear. Then paste your code in between the tags. Important, copy code form your source not first post.

Need help with drawLine method

Hello,
I've been having trouble with a recent programming assignment and the prof isn't being very helpful. I need to call the drawLine method to plot a line between (0,0) and two coordinates entered by the user; is there a way to do this without a JPanel? Here are the specs:
I've already done Part 1., just posting it to give a complete representation of the assignment.
Part 1. Implement a ComplexNumber class to represent complex numbers (z = a + bi).
1) Instance variables:
private int real; /* real part */
private int imag; /* imaginary part */
2) Constructor:
public ComplexNumber ( int realVal, int imagVal )
{ /* initialize real to realVal and imag to imagVal */ }
3) Get/Set functions:
public int getReal ( )
{ /* returns the real part */ }
public int getImag ( )
{ /* returns the imaginary part */ }
public void setReal ( int realVal )
{ /* sets real to realVal */ }
public void setImag ( int imagVal )
{ /* sets imag to imagVal */ }
Part 2. Implement a ComplexNumberPlot class (with a main method) that gets complex
numbers from the user and plots them. The user will be prompted a complex number until
he/she enters 0. The numbers will be input from the keyboard (System.in) and displayed
in the plot as they are entered. Assume that the user will enter the numbers in blank
separated format. For example, if the user wants to enter three complex numbers: 3 + 4i,
5 + 12i, and 15 + 17i, the input sequence will be:
3 4
5 12
15 17
0 0
To plot a complex number, you need to draw a line between (0,0) and (real, imag) using
the drawLine method.
Name your classes as ComplexNumber and ComplexNumberPlot.
For simplicity, you can assume that the complex numbers input by the user fall
into the first quadrant of the complex plane, i.e. both real and imaginary values
are positive.
Thanks for any help!

Ok I've made some progress, here is what I've got.
public class ComplexNumber
private int real;
private int imag;
public ComplexNumber (int realVal, int imagVal)
real = realVal;
imag = imagVal;
public int getReal()
return real;
public int getImag()
return imag;
public void setReal(int realVal)
real = realVal;
public void setImag(int imagVal)
imag = imagVal;
import java.util.Scanner;
import java.awt.*;
import javax.swing.*;
public class ComplexNumberPlot
public static void main (String [] args)
ComplexNumber num = new ComplexNumber (1,0);
Scanner scan = new Scanner (System.in);
System.out.println("Enter a complex number(s):");
num.setReal(scan.nextInt());
num.setImag(scan.nextInt());
while (num.getReal() + num.getImag() != 0)
num.setReal(scan.nextInt());
num.setImag(scan.nextInt());
System.out.println();
JFrame frame = new JFrame ("ComplexNumberPlot");
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
ComplexPanel panel = new ComplexPanel();
frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
class ComplexPanel extends JPanel
public ComplexPanel()
setPreferredSize (new Dimension(150,150));
public void PaintComponent (Graphics page)
super.paintComponent(page);
page.drawLine(0,0,100,100);
However
1) The JPanel pops up but no line is drawn.
2) I am not sure how to get the variables I'm scanning for to work in the drawLine method
Thanks for all your help so far.

Need help with a method

I am re-writing this method because it does not return the expected data. I
am still somewhat new to coding in Forte. Please help if you can. The
error exception message I receive when I run is.....
This error is a TOOL CODE ERROR
Detected In:
Class: RPTClientNumberList
Method: DBCursor::Open
Location: 0
Forte Error Message is:
No input values supplied for the SQL statement.
Additional Information:
**** End of Error ****
No matter what changes I make to the SQL I still receive this error.
//: Parameters: pReportCriteria : ClientNumberListReportCriteria
//: Returns: Array of ClientNumberListReportData
//: Purpose: To get the data required for the ClientNumberListReportData.
//: Logic
//: History: mm/dd/yy xxx comment
lClientTransfersArray : Array of ClientNumberListReportData = new();
lResultArray : Array of ClientNumberListReportData =
new();
lReportData : ClientNumberListReportData;
lReportInfo :
ClientNumberListReportTransactions;
lThis : TextData =
'ReportSQLAgent.SelectClientNumberListReportData()';
lSQL : TextData = new();
lSQL.SetValue(
'SELECT C.ClientName aClientName, \
CN.ClientNumber aClientNumber, \
CN.ClientNumberID aClientNumberID, \
T.TeamNumber aIsTeamID, \
AM.FirstName aFirstName, \
AM.MiddleName aMiddleName, \
AM.LastName aLastName \
FROM SUPER_DBA.Client C, \
SUPER_DBA.ClientN CN, \
SUPER_DBA.Team T, \
SUPER_DBA.OASUSER AM \
WHERE CN.ClientID = C.ClientID and \
CN.ISTeamID = T.TeamID
and \
CN.IsActive = \'Y\' AND
CN.AccountMgrID = AM.UserID ');
// If the criteria contains an ISTeamID, search by it.
if pReportCriteria.aISTeamID <> cEmptyDropListValue then
lSQL.concat( ' and CN.ISTeamID = ');
lSQL.concat( pReportCriteria.aISTeamID );
end if;
begin transaction
lDynStatement : DBStatementHandle;
lInputDesc : DBDataset;
lOutputDesc : DBDataset;
lOutputData : DBDataset;
lRowType : Integer;
lStatementType : Integer;
// The prepare method parses the SQL statement, verifying the
// syntax and returns a statement identifier (the handle
lDynStatement)
// to use as a reference
lDynStatement = DefaultDBSession.prepare( lSQL, lInputDesc,
lStatementType );
// The opencursor method positions the cursor before the first row
// in the result set
lRowType = DefaultDBSession.OpenCursor( lDynStatement, lInputDesc,
lOutputDesc );
lNumRows : Integer;
while true do
lNumRows = DefaultDBSession.FetchCursor( lDynStatement,
lOutputData );
if lNumRows <= 0 then
exit;
end if;
lReportData = new();
lReportData.aFirstName = TextData(
lOutputData.GetValue(ColumnName='aFirstName')).value;
lReportData.aMiddleName = TextData(
lOutputData.GetValue(ColumnName='aMiddleName')).value;
lReportData.aLastName = TextData(
lOutputData.GetValue(ColumnName='aLastName')).value;
lReportData.aClientName = TextData(
lOutputData.GetValue(ColumnName='aClientName')).value;
lReportData.aClientNumber = DoubleNullable(
lOutputData.GetValue(ColumnName='aClientNumber')).TextValue.value;
lReportData.aClientNumberID = DoubleNullable(
lOutputData.GetValue(ColumnName='aClientNumberID')).integervalue;
lReportData.aIsTeamID = IntegerNullable(
lOutputData.GetValue(ColumnName='aIsTeamID')).TextValue.value;
lResultArray.AppendRow( lReportData );
end while;
// Close the cursor
DefaultDBSession.CloseCursor( lDynStatement );
// Remove the cursor to free resources
DefaultDBSession.RemoveStatement( lDynStatement );
end transaction;
for lEach in lResultArray do
lHistorySQL : TextData = new();
lHistorySQL.SetValue(
'SELECT CNH.isActive aIsActive, \
T.TeamNumber aTeamID, \
CNH.ModifyDateTime
aTransactionDate \
FROM SUPER_DBA.ClientNH CNH, \
SUPER_DBA.Team T \
WHERE CNH.ISTeamID = T.TeamID and \
CNH.ClientNumberID =
:lResultArray.aClientNumberID ');
// If a date range was specified, include it in the SQL
if NOT pReportCriteria.aStartDate.IsNull then
lHistorySQL.concat( ' and CNH.ModifyDateTime between
:pReportCriteria.aStartDate ');
lHistorySQL.concat( ' and :pReportCriteria.aEndDate ');
end if;
begin transaction
lDynStatement : DBStatementHandle;
lInputDesc : DBDataset;
lOutputDesc : DBDataset;
lOutputData : DBDataset;
lRowType : Integer;
lStatementType : Integer;
// The prepare method parses the SQL statement, verifying
the
// syntax and returns a statement identifier (the handle
lDynStatement)
// to use as a reference
lDynStatement = DefaultDBSession.prepare( lHistorySQL,
lInputDesc, lStatementType );
// The opencursor method positions the cursor before the
first row
// in the result set
lRowType = DefaultDBSession.OpenCursor( lDynStatement,
lInputDesc, lOutputDesc );
lNumRows : Integer;
while true do
lNumRows = DefaultDBSession.FetchCursor(
lDynStatement, lOutputData );
if lNumRows <= 0 then
exit;
end if;
lReportInfo = new();
lReportInfo.aIsActive = TextData(
lOutputData.GetValue(ColumnName='aIsActive')).value;
lReportInfo.aISTeamID =
IntegerNullable(
lOutputData.GetValue(ColumnName='aTeamID')).TextValue.value;
lReportInfo.aTransactionDate = DateTimeData(
lOutputData.GetValue(ColumnName='aTransactionDate'));
lResultArray.AppendRow( lReportData );
end while;
// Close the cursor
DefaultDBSession.CloseCursor( lDynStatement );
// Remove the cursor to free resources
putline( '%1: Removing the cursor.', lThis );
DefaultDBSession.RemoveStatement( lDynStatement );
end transaction;
lLastTeamNumber : string = cEmptyText;
lKeepRecord : boolean = False;
if lReportInfo.aISTeamID <> lLastTeamNumber then
lLastTeamNumber = lReportInfo.aISTeamID;
lReportInfo.aTransactionDescription = 'New Team Assignment';
lResultArray.appendRow( lReportInfo );
end if;
if lReportInfo.aIsActive = 'N' then
lReportInfo.aTransactionDescription = 'Team Number Deleted';
lResultArray.appendRow( lReportInfo );
end if;
end for;
// Success! Excellent!! Return the ClientNumberListReportData!
return lResultArray;
exception
when e : GenericException do
LogException( e, lThis );
raise e;
Lisa M. Tucci - Applications Programmer
Business Applications Support and Development - West Corporation
tel.: (402) 964-6360 ex: 208-4360 stop: W8-IS e-mail: lmtucciwest.com

I am re-writing this method because it does not return the expected data. I
am still somewhat new to coding in Forte. Please help if you can. The
error exception message I receive when I run is.....
This error is a TOOL CODE ERROR
Detected In:
Class: RPTClientNumberList
Method: DBCursor::Open
Location: 0
Forte Error Message is:
No input values supplied for the SQL statement.
Additional Information:
**** End of Error ****
No matter what changes I make to the SQL I still receive this error.
//: Parameters: pReportCriteria : ClientNumberListReportCriteria
//: Returns: Array of ClientNumberListReportData
//: Purpose: To get the data required for the ClientNumberListReportData.
//: Logic
//: History: mm/dd/yy xxx comment
lClientTransfersArray : Array of ClientNumberListReportData = new();
lResultArray : Array of ClientNumberListReportData =
new();
lReportData : ClientNumberListReportData;
lReportInfo :
ClientNumberListReportTransactions;
lThis : TextData =
'ReportSQLAgent.SelectClientNumberListReportData()';
lSQL : TextData = new();
lSQL.SetValue(
'SELECT C.ClientName aClientName, \
CN.ClientNumber aClientNumber, \
CN.ClientNumberID aClientNumberID, \
T.TeamNumber aIsTeamID, \
AM.FirstName aFirstName, \
AM.MiddleName aMiddleName, \
AM.LastName aLastName \
FROM SUPER_DBA.Client C, \
SUPER_DBA.ClientN CN, \
SUPER_DBA.Team T, \
SUPER_DBA.OASUSER AM \
WHERE CN.ClientID = C.ClientID and \
CN.ISTeamID = T.TeamID
and \
CN.IsActive = \'Y\' AND
CN.AccountMgrID = AM.UserID ');
// If the criteria contains an ISTeamID, search by it.
if pReportCriteria.aISTeamID <> cEmptyDropListValue then
lSQL.concat( ' and CN.ISTeamID = ');
lSQL.concat( pReportCriteria.aISTeamID );
end if;
begin transaction
lDynStatement : DBStatementHandle;
lInputDesc : DBDataset;
lOutputDesc : DBDataset;
lOutputData : DBDataset;
lRowType : Integer;
lStatementType : Integer;
// The prepare method parses the SQL statement, verifying the
// syntax and returns a statement identifier (the handle
lDynStatement)
// to use as a reference
lDynStatement = DefaultDBSession.prepare( lSQL, lInputDesc,
lStatementType );
// The opencursor method positions the cursor before the first row
// in the result set
lRowType = DefaultDBSession.OpenCursor( lDynStatement, lInputDesc,
lOutputDesc );
lNumRows : Integer;
while true do
lNumRows = DefaultDBSession.FetchCursor( lDynStatement,
lOutputData );
if lNumRows <= 0 then
exit;
end if;
lReportData = new();
lReportData.aFirstName = TextData(
lOutputData.GetValue(ColumnName='aFirstName')).value;
lReportData.aMiddleName = TextData(
lOutputData.GetValue(ColumnName='aMiddleName')).value;
lReportData.aLastName = TextData(
lOutputData.GetValue(ColumnName='aLastName')).value;
lReportData.aClientName = TextData(
lOutputData.GetValue(ColumnName='aClientName')).value;
lReportData.aClientNumber = DoubleNullable(
lOutputData.GetValue(ColumnName='aClientNumber')).TextValue.value;
lReportData.aClientNumberID = DoubleNullable(
lOutputData.GetValue(ColumnName='aClientNumberID')).integervalue;
lReportData.aIsTeamID = IntegerNullable(
lOutputData.GetValue(ColumnName='aIsTeamID')).TextValue.value;
lResultArray.AppendRow( lReportData );
end while;
// Close the cursor
DefaultDBSession.CloseCursor( lDynStatement );
// Remove the cursor to free resources
DefaultDBSession.RemoveStatement( lDynStatement );
end transaction;
for lEach in lResultArray do
lHistorySQL : TextData = new();
lHistorySQL.SetValue(
'SELECT CNH.isActive aIsActive, \
T.TeamNumber aTeamID, \
CNH.ModifyDateTime
aTransactionDate \
FROM SUPER_DBA.ClientNH CNH, \
SUPER_DBA.Team T \
WHERE CNH.ISTeamID = T.TeamID and \
CNH.ClientNumberID =
:lResultArray.aClientNumberID ');
// If a date range was specified, include it in the SQL
if NOT pReportCriteria.aStartDate.IsNull then
lHistorySQL.concat( ' and CNH.ModifyDateTime between
:pReportCriteria.aStartDate ');
lHistorySQL.concat( ' and :pReportCriteria.aEndDate ');
end if;
begin transaction
lDynStatement : DBStatementHandle;
lInputDesc : DBDataset;
lOutputDesc : DBDataset;
lOutputData : DBDataset;
lRowType : Integer;
lStatementType : Integer;
// The prepare method parses the SQL statement, verifying
the
// syntax and returns a statement identifier (the handle
lDynStatement)
// to use as a reference
lDynStatement = DefaultDBSession.prepare( lHistorySQL,
lInputDesc, lStatementType );
// The opencursor method positions the cursor before the
first row
// in the result set
lRowType = DefaultDBSession.OpenCursor( lDynStatement,
lInputDesc, lOutputDesc );
lNumRows : Integer;
while true do
lNumRows = DefaultDBSession.FetchCursor(
lDynStatement, lOutputData );
if lNumRows <= 0 then
exit;
end if;
lReportInfo = new();
lReportInfo.aIsActive = TextData(
lOutputData.GetValue(ColumnName='aIsActive')).value;
lReportInfo.aISTeamID =
IntegerNullable(
lOutputData.GetValue(ColumnName='aTeamID')).TextValue.value;
lReportInfo.aTransactionDate = DateTimeData(
lOutputData.GetValue(ColumnName='aTransactionDate'));
lResultArray.AppendRow( lReportData );
end while;
// Close the cursor
DefaultDBSession.CloseCursor( lDynStatement );
// Remove the cursor to free resources
putline( '%1: Removing the cursor.', lThis );
DefaultDBSession.RemoveStatement( lDynStatement );
end transaction;
lLastTeamNumber : string = cEmptyText;
lKeepRecord : boolean = False;
if lReportInfo.aISTeamID <> lLastTeamNumber then
lLastTeamNumber = lReportInfo.aISTeamID;
lReportInfo.aTransactionDescription = 'New Team Assignment';
lResultArray.appendRow( lReportInfo );
end if;
if lReportInfo.aIsActive = 'N' then
lReportInfo.aTransactionDescription = 'Team Number Deleted';
lResultArray.appendRow( lReportInfo );
end if;
end for;
// Success! Excellent!! Return the ClientNumberListReportData!
return lResultArray;
exception
when e : GenericException do
LogException( e, lThis );
raise e;
Lisa M. Tucci - Applications Programmer
Business Applications Support and Development - West Corporation
tel.: (402) 964-6360 ex: 208-4360 stop: W8-IS e-mail: lmtucciwest.com

Need help on last method in this class

import java.util.*;
import java.util.Random;
class Homework2
static Scanner keyboard = new Scanner(System.in);
public static void main(String args[])
final int beer = 1;
final int ale = 2;
final int wine = 3;
final int bourbon = 4;
final int scotch = 5;
final int rum = 6;
final int water = 7;
int x = getRandom(beer, ale, wine, bourbon, scotch, rum, water);
switch(x)
case 1:
System.out.println("first drink is beer");
     break;
     case 2:
System.out.println("first drink is ale");
     break;
     case 3:
System.out.println("first drink is wine");
     break;
case 4:
System.out.println("first drink is bourbon");
     break;
     case 5:
System.out.println("first drink is scotch");
     break;
case 6:
System.out.println("first drink is rum");
     break;
case 7:
System.out.println("first drink is water");
     break;
int y = getRandom2(beer, ale, wine, bourbon, scotch, rum, water);
switch(y)
case 1:
System.out.println("first drink is beer");
     break;
     case 2:
System.out.println("first drink is ale");
     break;
     case 3:
System.out.println("first drink is wine");
     break;
case 4:
System.out.println("first drink is bourbon");
     break;
     case 5:
System.out.println("first drink is scotch");
     break;
case 6:
System.out.println("first drink is rum");
     break;
case 7:
System.out.println("first drink is water");
     break;
System.out.print(x + " " + y);
double z = alcoholicCon(x,y); (* Here is where i started with problems*)
System.out.println(z);
public static int getRandom(int a, int b, int c, int d, int e, int f, int g)
Random generator = new Random();
return (int)(1 + Math.random()* 7);
public static int getRandom2(int h, int i, int j, int k, int l, int m, int n)
Random generator = new Random();
return (int)(1 + Math.random()* 7);
public static double alcoholicCon(int o, int p,) (*Error here*)
double content1;
double content2;
double content;
if(o==1)
content1=.04;
if(o==2)
content1=.07;
if(o==3)
content1=.12;
if(o==4)
content1=.40;
if(o==5)
content1=.60;
if(o==6)
content1=.77;
if(o==7)
content1=.00;
if(p==1)
content2=.04;
if(p==2)
content2=.07;
if(p==3)
content2=.12;
if(p==4)
content2=.40;
if(p==5)
content2=.60;
if(p==6)
content2=.77;
if(p==7)
content2=.00;
     content = content1 + content2;
     return content;
Here is the program everything worked great till i added the last method, i keep getting a illegal start of type error message now. Do i have to switch my data type in the main? or do i have to switch it down in the method?

WOW, Im not sure what you are trying to do.
What was the compiler error?
Just an observation,
Both of your getRandom() and getRandom2(), you pass in 7 parameters and do nothing with them. you really do not need to do this. Also both of those methods do exactly the same thing, the same way. Thats just redundant.
You could say something like:
     public static int newRandom(){
        return (int) (1 + Math.random() * 7);
    }Also check your method signature for the
public static double alcoholicCon(int o, int p,){I see your error, do you? Hint: too much punctuation...
Also, you should initialize your method variables to a value.
Darn too slow...
Message was edited by:
Java_Jay

I need help creating a method!

Hi,
I'm following a Java course, we have a homework to do and I have some problems with it... We have to create a table (int [] a) with a 100 elements ( 0,2,4,6 ... to 198 - all even) we have to go through a "for" to fill the table (I have no problem with that) but the thing is that we have to create a JOptionPane asking a value and our method has to find that value in the table and give the position of that value. And if the value is not even a JOptionPane has to respond "that value is not in the table". I'll give yall an example:
let's say that table [4] contains the value 8. If "8" is enter in the JOptionPane the program will return "the position of 8 in the table is 4"
here is what I have done so far (some of the text is in french):
import javax.swing.*;
import java.awt.*;
public class TP3a extends JApplet{
     JTextArea zone = new JTextArea ();
     String sortie= " ";
     String cle1;
     int indice=0;
     int cle;
     int [] tableau = new int [100];
          public void init (){
                    for (int x=0; x<=200; x++){
                         tableau[x]= x*2+2;
                         indice=x;
               cle1=JOptionPane.showInputDialog ("Entrer la valeur de l'element que vous desirez voir: ");
               cle=Integer.parseInt (cle1);
               rechercheIndice (int tableau [], cle);
                    sortie+=tableau [cle];
                    zone.append (sortie);
                    JOptionPane.showMessageDialog (null, zone, "Tableau", JOptionPane.PLAIN_MESSAGE);
                    System.exit (0);
          public int rechercheIndice (int tableau [], int cle){
               for (int x; x<=tableau.length; x++){
                    if (cle == tableau [x])
                         return tableau [cle];
                         else
                         continue;
Please help me!!!
Thanks,
Neriade

import javax.swing.*;
import java.awt.*;
public class TP3a extends JApplet{
      JTextArea zone = new JTextArea ();
      String sortie= " ";
      String cle1;
      int indice=0;
      int cle;
      int [] tableau = new int [100];
      public void init (){
      for (int x=0, y = 0; x<100; x++, y += 2 ){
         tableau[x]= y;
         indice=x;
      cle1=JOptionPane.showInputDialog ("Entrer la valeur de l'element que vous desirez voir: ");
      cle=Integer.parseInt (cle1);
      int i = rechercheIndice (tableau, cle);
      System.out.println( "i: " + i );
      sortie+=tableau [cle];
      zone.append (sortie);
      JOptionPane.showMessageDialog (null, zone, "Tableau", JOptionPane.PLAIN_MESSAGE);
      System.exit (0);
      public int rechercheIndice (int[] tableau, int cle){
      for (int x = 0; x<tableau.length; x++){
         if (cle == tableau [x])
            return x;//tableau [cle];
      return -1;
}

Java Newbie needs help with multi method dialog calculator

Our example for the unit was the example below... we now must create a 5 method program for a calculator... 1 main method and 4 for the standard operations(+ - * /). It is supposed to utilize Swing for graphics/dialog boxes that ask you for the operation you would like to use(if statements based on which operation they enter), and a prompt that asks you separately for the 2 numbers used.... anyone feel like drawing this skeleton out? I am in class right now and none of my neighbors can figure it out either....
import javax.swing.JOptionPane;
public class Payroll
     public static void main(String[] args)
     String name;         //the user's name
     String inputString; //holds input
     int hours;           //hours worked
     double payRate;      //hourly pay wage
     double grossPay;     //total pay
     //getUser
     name = JOptionPane.showInputDialog("What is your name?");
     //getHours
     inputString = JOptionPane.showInputDialog("How many hours did you work?");
     hours = Integer.parseInt(inputString);
     //getRate
     inputString = JOptionPane.showInputDialog("What is your hourly pay rate?");
     payRate = Double.parseDouble(inputString);
     //setGross
     grossPay = payRate * hours;
     //showGross
     JOptionPane.showMessageDialog(null, "Hello " + name + ". Your gross pay is: " + grossPay);
     //End
     System.exit(0);
}

import javax.swing.JOptionPane;
public class CalcDiag
     public static void main(String[] args)
     String operation;
     String inputString;
     double num1, num2, total=0;
     inputString = JOptionPane.showInputDialog("What is your first number?");
     num1 = Double.parseDouble(inputString);
     inputString = JOptionPane.showInputDialog("What is your second number?");
     num2 = Double.parseDouble(inputString);
     inputString = JOptionPane.showInputDialog("Please indicate which operation you would like to use: A,S,M,D ?");
     operation = inputString;
     if (operation.equals("A"))
          total = getAdd(num1, num2);
     if (operation.equals("S"))
          total = getSub(num1, num2);
     if (operation.equals("M"))
          total = getMult(num1, num2);
     if (operation.equals("D"))
          total = getDiv(num1, num2);
     JOptionPane.showMessageDialog(null,"Total = "+total);
     System.exit(0);
public static double getAdd(double x, double y)
          return x+y;
public static double getSub(double x,double y)
          return x-y;
public static double getMult(double x, double y)
          return x*y;
public static double getDiv(double x, double y)
          return x/y;
}your welcome

Need help calling a method from an immutable class

I'm having difficulties in calling a method from my class called Cabin to my main. Here's the code in my main              if(this is where i want my method hasKitchen() from my Cabin class)
                    System.out.println("There is a kitchen.");
               else
                    System.out.println("There is not a kitchen.");
               }and here's my method from my Cabin class:public boolean hasKitchen()
     return kitchen;
}

You should first have an instance of Cabin created by using
   Cabin c = ....
   if (c.hasKitchen()) {
     System.out.println("There is a kitchen.");
   } else {
        System.out.println("There is not a kitchen.");
   }

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