How to assign a method from another class to dropDown processValueChange

Hi
Thank you for reading my post.
in normal way we use same backing bean for methods of components and our pages.
now i want to set the method that called after a dropDown value changed to another claas method.
for example if my page name is
messages.jsp and its backing bean is messages.java i want to set processValueChange of a dropDown box to class2.methodForDropDown...
can some one please help me

One approach will be to make your class a ivar of PageBean or SessionBean. That way you instantiate your class either in PageBean/SessionBean and PageBean or SessionBean as a parameter depending on the scope requirements of your class.
Other approach which is eaiser would be to use the JSF API
ValueBinding vb = FacesContext.getCurrentInstance().getApplication().
createValueBinding("#{SessionBean1});
SessionBean1 bean1 = vb.getValue(FacesContext.getCurrentInstance());
The above code can be used anywhere within a JSF application to retrieve an object from any scope as long as the request has passed through the FacesServlet.
No, you can't pass parameters to processValueChange.
Hope this helps
-Jayashri

Similar Messages

  • How to call a method from another class

    I have a problem were i have to call a method from another class. What is the command line that i have to use. Thanks.

    Here's one I wipped up in 10 minutes... Cool!
    package forums;
    import javax.swing.JFrame;
    import javax.swing.JTextArea;
    import krc.utilz.io.Filez;
    import java.io.FileNotFoundException;
    class FileDisplayer extends JFrame
      private static final long serialVersionUID = 0L;
      FileDisplayer(String filename) {
        super(filename);
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setSize(600, 800);
        JTextArea text = new JTextArea();
        try {
          text.setText(Filez.read(filename));
        } catch (FileNotFoundException e) {
          text.setText(e.toString());
        this.add(text);
      public static void main(String args[]) {
        final String filename = (args.length>0 ? args[0] : "C:/Java/home/src/forums/FileDisplayer.java");
        try {
          java.awt.EventQueue.invokeLater(
            new Runnable() {
              public void run() {
                new FileDisplayer(filename).setVisible(true);
        } catch (Exception e) {
          e.printStackTrace();
    Filez.read
       * reads the given file into one big string
       * @param String filename - the name of the file to read
       * @return the contents filename
      public static String read(String filename) throws FileNotFoundException {
        return Filez.read(new FileReader(filename));
       * Reads the contents of the given reader into one big string, and closes the reader.
       * @param java.io.Reader reader - a subclass of Reader to read from.
       * @return the whole contents of the given reader.
      public static String read(Reader in) {
        try {
          StringBuffer out = new StringBuffer();
          try {
            char[] bfr = new char[BFRSIZE];
            int n = 0;
            while( (n=in.read(bfr,0,BFRSIZE)) > 0 ) {
              out.append(bfr,0,n);
          } finally {
            if(in!=null)in.close();
          return out.toString();
        } catch (IOException e) {
          throw new RuntimeIOException(e.getMessage(), e);
      }Edited by: corlettk on Dec 16, 2007 1:01 PM - dang [code [/tags][                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

  • How do you call a method from  another class without extending as a parent?

    How do you call a method from another class without extending it as a parent? Is this possible?

    Why don't you just create an instance of the class?
    Car c = new Car();
    c.drive("fast");The drive method is in the car class, but as long as the method is public, you can use it anywhere.
    Is that what you were asking or am I totally misunderstanding your question?
    Jen

  • Calling a method from another class... that requires variables?

    I'm calling a method from another class to change the date (its a date object) in another class.
    I keep getting the error 'setDate(int,int,int) in Date cannot be applied to ()'
    My code is:
    public int changeDate()
         cycleDate.setDate();
    }I'm guessing I need to pass 3 parameters (day, month, year), but I'm not sure how! I have tried, but then I get errors such as ')' expected?
    Any ideas! :D

    f1d wrote:
    I'm calling a method from another class to change the date (its a date object) in another class.
    I keep getting the error 'setDate(int,int,int) in Date cannot be applied to ()'
    My code is:
    public int changeDate()
    cycleDate.setDate();
    }I'm guessing I need to pass 3 parameters (day, month, year), seems that way from the error you posted
    but I'm not sure how!
    setDate(16, 6, 2008);
    I have tried, but then I get errors such as ')' expected?
    Any ideas! :Dyou need to post your code if you're getting specific errors like that.
    but typically ')' expected means just that, you have too many or not enough parenthesis (or in the wrong place, etc.)
    i.e. syntax error

  • Help on Calling a method from another class

    how can i call a method from another class.
    Class A has 3 methods
    i just want to call only one of these 3 methods into my another class.
    How can I do that.

    When i am trying this
    A a=new A;
    Its calling all the methods from class A. I just want
    to call a specfic method.How can it be done?When i am trying this
    A a=new A();
    Its calling all the methods from class A. I just want to call a specfic method.How can it be done?

  • How to call a method of another class ?

    Hello,
    I�d like to know how to call a method of another class. I have to classes (class 1 and class 2), class 1 instantiates an object of class 2 and executes the rest of the method. Later, class 1 has to call a method of class 2, sending a message to do something in the object... Does anybody know how to do that ? Do I have to use interface ? Could you please help me ?
    Thanks.
    Bruno.

    Hi Schiller,
    The codes are the following:
    COMECO
    import javax.swing.UIManager;
    import java.awt.*;
    import java.net.*;
    import java.io.*;
    import java.awt.event.*;
    import javax.swing.*;
    //Main method
    class comeco {
    public static void main(String[] args) {
    try {
    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    catch(Exception e) {
    AGORA testeagora=new AGORA();
    // Code for socket
    int port;
         ServerSocket server_socket;
         BufferedReader input;
         try {
         port = Integer.parseInt(args[0]);
         catch (Exception e) {
         System.out.println("comeco ---> port = 1500 (default)");
         port = 1500;
         try {
         server_socket = new ServerSocket(port);
         System.out.println("comeco ---> Server waiting for client on port " +
                   server_socket.getLocalPort());
         // server infinite loop
         while(true) {
              Socket socket = server_socket.accept();
              System.out.println("comeco ---> New connection accepted " +
                        socket.getInetAddress() +
                        ":" + socket.getPort());
              input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
              // print received data
              try {
              while(true) {
                   String message = input.readLine();
                   if (message==null) break;
                   System.out.println("comeco ---> " + message);
    testeagora.teste(message);
              catch (IOException e) {
              System.out.println(e);
              // connection closed by client
              try {
              socket.close();
              System.out.println("Connection closed by client");
              catch (IOException e) {
              System.out.println(e);
         catch (IOException e) {
         System.out.println(e);
    AGORA
    import javax.swing.UIManager;
    import java.awt.*;
    import java.awt.event.*;
    import java.net.*;
    import java.io.*;
    import javax.swing.*;
    import java.net.*;
    //public class AGORA {
    public class AGORA {
    boolean packFrame = false;
    //Construct the application
    public AGORA() {
    try {
    Main frame = new Main();
    System.out.println("agora ---> Criou o frame");
    //Validate frames that have preset sizes
    //Pack frames that have useful preferred size info, e.g. from their layout
    if (packFrame)
    frame.pack();
    else
    frame.validate();
    //Center the window
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    if (frameSize.height > screenSize.height)
    frameSize.height = screenSize.height;
    if (frameSize.width > screenSize.width)
    frameSize.width = screenSize.width;
    frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
    catch(Exception e)
    { System.out.println("agora ---> " +e);
    // Tem que criar a THREAD e ver se funciona
    public void remontar (final String msg) {
    try {
                   System.out.println("agora ---> Passou pelo Runnable");
    System.out.println("agora --> Mensagem que veio do comeco para agora: "+ msg);
    Main.acao(msg);
    catch(Exception x) {
    x.printStackTrace();
    MAIN
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import com.borland.jbcl.layout.*;
    import javax.swing.border.*;
    import java.net.*;
    import java.io.*;
    public class Main extends JFrame {
    // ALL THE CODE OF THE INTERFACE
    //Construct the frame
    public Main() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
    jbInit();
    catch(Exception e) {
    e.printStackTrace();
    public void acao() {
    // C�digo para mudar a interface
    Runnable setTextRun=new Runnable() {
    public void run() {
    try {
                   System.out.println("main ---> Passou pelo Runnable");
    TStatus.setText("main ---> Funcionou");
    catch(Exception x) {
    x.printStackTrace();
    System.out.println("main ---> About to invokelater");
    SwingUtilities.invokeLater(setTextRun);
    System.out.println("main ---> Back from invokelater");
    // Aqui vai entrar o m�todo para ouvir as portas sockets.
    // Ele deve ouvir e caso haja alguma nova mensagem, trat�-la para
    // alterar as vari�veis e redesenhar os pain�is
    // Al�m disso, o bot�o de refresh deve aparecer ativo em vermelho
    //Component initialization
    private void jbInit() throws Exception {
    // Initialize the interface
    //Setting | Host action performed
    public void SetHost_actionPerformed(ActionEvent e) {
         int port;
         ServerSocket server_socket;
         BufferedReader input;
    System.out.println("main ---> port = 1500 (default)");
         port = 1500;
         try {
         server_socket = new ServerSocket(port);
         System.out.println("main ---> Server waiting for client on port " +
                   server_socket.getLocalPort());
         // server infinite loop
    while(true) {
              Socket socket = server_socket.accept();
              System.out.println("main ---> New connection accepted " +
                        socket.getInetAddress() +
                        ":" + socket.getPort());
              input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
    String espaco=new String(": ");
         JLabel teste2=new JLabel(new ImageIcon("host.gif"));
              PHost.add(teste2);
    System.out.println("main ---> Adicionou host na interface");
              repaint();
    System.out.println("main ---> Redesenhou a interface");
              setVisible(true);
              // print received data
              try {
              while(true) {
                   String message = input.readLine();
                   if (message==null) break;
                   System.out.println("main ---> " + message);
              catch (IOException e2) {
              System.out.println(e2);
              // connection closed by client
              try {
              socket.close();
              System.out.println("main ---> Connection closed by client");
              catch (IOException e3) {
              System.out.println(e3);
         catch (IOException e1) {
         System.out.println(e1);
    public void OutHost_actionPerformed(ActionEvent e) {
              repaint();
              setVisible(true);
    //Help | About action performed
    public void helpAbout_actionPerformed(ActionEvent e) {
    Main_AboutBox dlg = new Main_AboutBox(this);
    Dimension dlgSize = dlg.getPreferredSize();
    Dimension frmSize = getSize();
    Point loc = getLocation();
    dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
    dlg.setModal(true);
    dlg.show();
    //Overridden so we can exit on System Close
    protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if(e.getID() == WindowEvent.WINDOW_CLOSING) {
    fileExit_actionPerformed(null);
    public void result(final String msg) {
    // C�digo para mudar a interface
    Runnable setTextRun=new Runnable() {
    public void run() {
    try {
                   System.out.println("main ---> Chamou o m�todo result para mudar a interface");
    System.out.println("main --> Mensagem que veio do agora para main: "+ msg);
    TStatus.setText(msg);
    catch(Exception x) {
    x.printStackTrace();
    System.out.println("main --> About to invokelater");
    SwingUtilities.invokeLater(setTextRun);
    System.out.println("main --> Back from invokelater");
    []�s.

  • Use a method from another class in another package?

    How can I use a method from another class in another package?

    WhiteJ wrote:
    What do you mean by "new keyword?" You posted this previously:
    I tried that, it seems to not be working. I want to use the constructor from the other class. I imported it, using this piece of code:
    import components.FileChooser;
    components.FileChoser();
    Typically if I am going to call a constructor on a class called Fubar, I'd use new to create a new object:
    Fubar myFubar = new Fubar();Incidently, is it a simple typo in your post or are you trying to use a FileChoser object when it should be FileChooser?

  • Running a main Method from another class??

    Hi,
    I am trying to run a main method from another class, eg the main method is in Class1 and i am trying to run it from class2.
    So I have
    class1 c1 = new class1();
    c1.main();and I get the following compilation error:
    clas2.java:42: main(java.lang.String[]) in class1 cannot be applied to () c1.main();
    any ideas on how to do this correctly
    thanks in advance,
    Donal

    Hi thanks for the replies,
    tried just passing a string earlier and that just gave errors too, I should have been more specific and pass a string array.
    Its working now thanks again.
    Donal

  • .How to instantiate the innerclass from another class with coded eg.

    How to instantiate the innerclass from another class(both for static & non static) please give me an eg with coding.

    It's just a preference, but I like writing factory methods:
    public class Outer {
        public class Inner {}
        public static class StaticInner {}
        public Inner innerInstance() {
            return new Inner();
        public static StaticInner staticInnerInstance() {
            return new StaticInner();
        public static void main(String[] args) {
            Outer.StaticInner si = Outer.staticInnerInstance();
            Outer outer = new Outer();
            Outer.Inner i = outer.innerInstance();
    }Often, for me, the inner class implements an interface, and the factory method
    lets you hide the implementation class:
    public class Outer {
        private class Inner implements Runnable {
            public void run() {}
        public Runnable runnerInstance() {
            return new Inner();
        public static void main(String[] args) {
            Outer outer = new Outer();
            Runnable r = outer.runnerInstance();
    }

  • Calling a TextFields get method from another class as a String

    This is my first post so be kind....
    I'm trying to create a login screen with Java Studio Creator. The Login.jsp has a Text Field for both the username and password. JSC automatically created get and set methods for these.
    public class Login extends AbstractPageBean
    private TextField usernameTF = new TextField();
    public TextField getUsernameTF() {
    return usernameTF;
    public void setUsernameTF(TextField tf) {
    this.usernameTF = tf;
    private PasswordField passwordTF = new PasswordField();
    public PasswordField getPasswordTF() {
    return passwordTF;
    public void setPasswordTF(PasswordField pf) {
    this.passwordTF = pf;
    My problem is in trying to call these methods from another class and return the value as a string.
    Any help on this matter would be greatly appreciated.

    the method returns the textfield, so you just need to get its text
    import java.awt.*;
    class Testing
      public Testing()
        Login login = new Login();
        System.out.println(login.getUsernameTF().getText());//<----
      public static void main(String[] args){new Testing();}
    class Login
    private TextField usernameTF = new TextField("Joe Blow");
    public TextField getUsernameTF() {
        return usernameTF;
    }

  • Is it possible to call methods from another class from within an abstract c

    Is it possible to call methods from another class from within an abstract class ?

    I found an example in teh JDK 131 JFC that may help you. I t is using swing interface and JTable
    If you can not use Swing, then you may want to do digging or try out with the idea presented here in example 3
    Notice that one should refine the abstract table model and you may want to create a method for something like
    public Object getValuesAtRow(int row) { return data[row;}
    to give the desired row and leave the method for
    getValuesAt alone for getting valued of particaular row and column.
    So Once you got the seelcted row index, idxSelctd, from your table
    you can get the row or set the row in your table model
    public TableExample3() {
    JFrame frame = new JFrame("Table");
    frame.addWindowListener(new WindowAdapter() {
    public void windowClosing(WindowEvent e) {System.exit(0);}});
    // Take the dummy data from SwingSet.
    final String[] names = {"First Name", "Last Name", "Favorite Color",
    "Favorite Number", "Vegetarian"};
    final Object[][] data = {
         {"Mark", "Andrews", "Red", new Integer(2), new Boolean(true)},
         {"Tom", "Ball", "Blue", new Integer(99), new Boolean(false)},
         {"Alan", "Chung", "Green", new Integer(838), new Boolean(false)},
         {"Jeff", "Dinkins", "Turquois", new Integer(8), new Boolean(true)},
         {"Amy", "Fowler", "Yellow", new Integer(3), new Boolean(false)},
         {"Brian", "Gerhold", "Green", new Integer(0), new Boolean(false)},
         {"James", "Gosling", "Pink", new Integer(21), new Boolean(false)},
         {"David", "Karlton", "Red", new Integer(1), new Boolean(false)},
         {"Dave", "Kloba", "Yellow", new Integer(14), new Boolean(false)},
         {"Peter", "Korn", "Purple", new Integer(12), new Boolean(false)},
         {"Phil", "Milne", "Purple", new Integer(3), new Boolean(false)},
         {"Dave", "Moore", "Green", new Integer(88), new Boolean(false)},
         {"Hans", "Muller", "Maroon", new Integer(5), new Boolean(false)},
         {"Rick", "Levenson", "Blue", new Integer(2), new Boolean(false)},
         {"Tim", "Prinzing", "Blue", new Integer(22), new Boolean(false)},
         {"Chester", "Rose", "Black", new Integer(0), new Boolean(false)},
         {"Ray", "Ryan", "Gray", new Integer(77), new Boolean(false)},
         {"Georges", "Saab", "Red", new Integer(4), new Boolean(false)},
         {"Willie", "Walker", "Phthalo Blue", new Integer(4), new Boolean(false)},
         {"Kathy", "Walrath", "Blue", new Integer(8), new Boolean(false)},
         {"Arnaud", "Weber", "Green", new Integer(44), new Boolean(false)}
    // Create a model of the data.
    TableModel dataModel = new AbstractTableModel() {
    // These methods always need to be implemented.
    public int getColumnCount() { return names.length; }
    public int getRowCount() { return data.length;}
    public Object getValueAt(int row, int col) {return data[row][col];}
    // The default implementations of these methods in
    // AbstractTableModel would work, but we can refine them.
    public String getColumnName(int column) {return names[column];}
    public Class getColumnClass(int col) {return getValueAt(0,col).getClass();}
    public boolean isCellEditable(int row, int col) {return (col==4);}
    public void setValueAt(Object aValue, int row, int column) {
    data[row][column] = aValue;
    };

  • Calling results of a method from another class

    Very very new to Java, so apologies for the lack of basic knowledge. I am making a programme with 3 classes. One class gathers details about a module. Another about the results of this module (which requires some of the information inputted for the first class). For some reason I cannot find how to use results created in the first class in this second class. How do you call the results of a method from one class in another class?
    Thanks.

    Thank you.
    I am given the following information:
    '_ModuleRecord_
    This class is used to record information about a module taken by a single student. It has a constructor that takes three parameters:
    a Module,
    an int representing the examination mark achieved by a student, and
    an int representing the coursework mark achieved by a student.
    The class has another constructor that takes a single Module parameter.'
    and the code looks like this:
    public class ModuleRecord
      public ModuleRecord(Module m, int eMark, int cMark)
      public ModuleRecord(Module m)
      } I am a bit confused by the whole thing to be honest. I assume that the Module is referring to the other class, but how do I forge the link between them here?

  • ABAP Objects : calling one method from another class

    Hi,
    Can you please tell me how to call method from one class or interfce to another class.The scenario is
    I have one class CL_WORKFLOW_TASK, this class have interface IF_WORKFLOW_TASK & this interface have method IF_WORKFLOW_TASK~CLOSE. Now my requirement is ,
    There is another class CL_WORKFLOW_CHAIN ,this class have interface IF_WORKFLOW_CHAIN & this interface have method IF_WORKFLOW_CHAINCLOSE_ALL_PREDECESSORS. Now i have to write my code in this method but i have to use IF_WORKFLOW_TASKCLOSE method for closing the task.
    Can you please give me the code for the above .
    Please waiting for reply.

    Hi,
    You can use the concept of INHERITANCE  in this scenario.By using this concept, you can call all the public and protected  methods of class CL_WORKFLOW_TASK  in the required calss CL_WORKFLOW_CHAIN as per your requirement.
    Go through the  Introdctory(INHERITANCE) programming from this SAPHELP link.
    http://help.sap.com/saphelp_nw70/helpdata/en/1d/df5f57127111d3b9390000e8353423/content.htm
    I hope, it will help in you inresolving your problem.
    by
    Prasad GVK.

  • Calling repaint method from another class

    My question in a very simple form :
    how do I call repaint mathod from another class.
    e.g: Let's say class "A.java" is a JFrame .
    Class "B.java" is a JPanel which is added to the JFrame above.
    Class "C.java" is a JDialog containing some JButtons.
    How do I call the repaint method from the class "C.java".
    Thank you in advance!!

    My question in a very simple form :
    how do I call repaint mathod from another class.
    e.g: Let's say class "A.java" is a JFrame .
    Class "B.java" is a JPanel which is added to the JFrame above.
    Class "C.java" is a JDialog containing some JButtons.
    How do I call the repaint method from the class "C.java".
    Thank you in advance!!

  • Calling a class's method from another class

    Hi, i would like to know if it's possible to call a Class's method and get it's return from another Class. This first Class doesn't extend the second. I've got a Choice on this first class and depending on what is selected, i want to draw a image on the second class witch is a Panel extended. I put the control "if" on the paint() method of the second class witch is called from the first by the repaint() (first_class.repaint()) on itemStateChanged(). Thankx 4 your help. I'm stuck with this.This program is for my postgraduation final project and i'm very late....

    import java.awt.*;
    import java.sql.*;
    * This type was generated by a SmartGuide.
    class Test extends Frame {
         private java.awt.Panel ivjComboPane = null;
         private java.awt.Panel ivjContentsPane = null;
         IvjEventHandler ivjEventHandler = new IvjEventHandler();
         private Combobox ivjCombobox1 = null;
    class IvjEventHandler implements java.awt.event.WindowListener {
              public void windowActivated(java.awt.event.WindowEvent e) {};
              public void windowClosed(java.awt.event.WindowEvent e) {};
              public void windowClosing(java.awt.event.WindowEvent e) {
                   if (e.getSource() == Test.this)
                        connEtoC1(e);
              public void windowDeactivated(java.awt.event.WindowEvent e) {};
              public void windowDeiconified(java.awt.event.WindowEvent e) {};
              public void windowIconified(java.awt.event.WindowEvent e) {};
              public void windowOpened(java.awt.event.WindowEvent e) {};
         private Panel ivjPanel1 = null;
    * Combo constructor comment.
    public Test() {
         super();
         initialize();
    * Combo constructor comment.
    * @param title java.lang.String
    public Test(String title) {
         super(title);
    * Insert the method's description here.
    * Creation date: (11/16/2001 7:48:51 PM)
    * @param s java.lang.String
    public void conexao(String s) {
         try {
              Class.forName("oracle.jdbc.driver.OracleDriver");
              String url = "jdbc:oracle:thin:system/[email protected]:1521:puc";
              Connection db = DriverManager.getConnection(url);
              //String sql_str = "SELECT * FROM referencia";
              Statement sq_stmt = db.createStatement();
              ResultSet rs = sq_stmt.executeQuery(s);
              ivjCombobox1.addItem("");
              while (rs.next()) {
                   String dt = rs.getString(1);
                   ivjCombobox1.addItem(dt);
              db.close();
         } catch (SQLException e) {
              System.out.println("Erro sql" + e);
         } catch (ClassNotFoundException cnf) {
    * connEtoC1: (Combo.window.windowClosing(java.awt.event.WindowEvent) --> Combo.dispose()V)
    * @param arg1 java.awt.event.WindowEvent
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private void connEtoC1(java.awt.event.WindowEvent arg1) {
         try {
              // user code begin {1}
              // user code end
              this.dispose();
              // user code begin {2}
              // user code end
         } catch (java.lang.Throwable ivjExc) {
              // user code begin {3}
              // user code end
              handleException(ivjExc);
    * Return the Combobox1 property value.
    * @return Combobox
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private Combobox getCombobox1() {
         if (ivjCombobox1 == null) {
              try {
                   ivjCombobox1 = new Combobox();
                   ivjCombobox1.setName("Combobox1");
                   ivjCombobox1.setLocation(30, 30);
                   // user code begin {1}
                   this.conexao("select * from referencia");
                   // user code end
              } catch (java.lang.Throwable ivjExc) {
                   // user code begin {2}
                   // user code end
                   handleException(ivjExc);
         return ivjCombobox1;
    * Return the ComboPane property value.
    * @return java.awt.Panel
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private java.awt.Panel getComboPane() {
         if (ivjComboPane == null) {
              try {
                   ivjComboPane = new java.awt.Panel();
                   ivjComboPane.setName("ComboPane");
                   ivjComboPane.setLayout(null);
                   getComboPane().add(getCombobox1(), getCombobox1().getName());
                   getComboPane().add(getPanel1(), getPanel1().getName());
                   // user code begin {1}
                   // user code end
              } catch (java.lang.Throwable ivjExc) {
                   // user code begin {2}
                   // user code end
                   handleException(ivjExc);
         return ivjComboPane;
    * Return the ContentsPane property value.
    * @return java.awt.Panel
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private java.awt.Panel getContentsPane() {
         if (ivjContentsPane == null) {
              try {
                   ivjContentsPane = new java.awt.Panel();
                   ivjContentsPane.setName("ContentsPane");
                   ivjContentsPane.setLayout(new java.awt.BorderLayout());
                   getContentsPane().add(getComboPane(), "Center");
                   // user code begin {1}
                   // user code end
              } catch (java.lang.Throwable ivjExc) {
                   // user code begin {2}
                   // user code end
                   handleException(ivjExc);
         return ivjContentsPane;
    * Return the Panel1 property value.
    * @return Panel
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private Panel getPanel1() {
         if (ivjPanel1 == null) {
              try {
                   ivjPanel1 = new Panel();
                   ivjPanel1.setName("Panel1");
                   ivjPanel1.setBackground(java.awt.SystemColor.scrollbar);
                   ivjPanel1.setBounds(24, 118, 244, 154);
                   // user code begin {1}
                   // user code end
              } catch (java.lang.Throwable ivjExc) {
                   // user code begin {2}
                   // user code end
                   handleException(ivjExc);
         return ivjPanel1;
    * Called whenever the part throws an exception.
    * @param exception java.lang.Throwable
    private void handleException(java.lang.Throwable exception) {
         /* Uncomment the following lines to print uncaught exceptions to stdout */
         // System.out.println("--------- UNCAUGHT EXCEPTION ---------");
         // exception.printStackTrace(System.out);
    * Initializes connections
    * @exception java.lang.Exception The exception description.
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private void initConnections() throws java.lang.Exception {
         // user code begin {1}
         // user code end
         this.addWindowListener(ivjEventHandler);
    * Initialize the class.
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private void initialize() {
         try {
              // user code begin {1}
              // user code end
              setName("Combo");
              setLayout(new java.awt.BorderLayout());
              setSize(460, 300);
              setTitle("Combo");
              add(getContentsPane(), "Center");
              initConnections();
         } catch (java.lang.Throwable ivjExc) {
              handleException(ivjExc);
         // user code begin {2}
         // user code end
    * Insert the method's description here.
    * Creation date: (11/17/2001 2:02:58 PM)
    * @return java.lang.String
    public String readCombo() {
         String dado = ivjCombobox1.getSelectedItem();
         return dado;
    * Starts the application.
    * @param args an array of command-line arguments
    public static void main(java.lang.String[] args) {
         try {
              /* Create the frame */
              Test aTest = new Test();
              /* Add a windowListener for the windowClosedEvent */
              aTest.addWindowListener(new java.awt.event.WindowAdapter() {
                   public void windowClosed(java.awt.event.WindowEvent e) {
                        System.exit(0);
              aTest.setVisible(true);
         } catch (Throwable exception) {
              System.err.println("Exception occurred in main() of Test");
              exception.printStackTrace(System.out);
    * Insert the type's description here.
    * Creation date: (11/17/2001 1:59:15 PM)
    * @author:
    class Combobox extends java.awt.Choice {
         public java.lang.String dado;
    * Combobox constructor comment.
    public Combobox() {
         super();
         initialize();
    * Called whenever the part throws an exception.
    * @param exception java.lang.Throwable
    private void handleException(java.lang.Throwable exception) {
         /* Uncomment the following lines to print uncaught exceptions to stdout */
         // System.out.println("--------- UNCAUGHT EXCEPTION ---------");
         // exception.printStackTrace(System.out);
    * Initialize the class.
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private void initialize() {
         try {
              // user code begin {1}
              // user code end
              setName("Combobox");
              setSize(133, 23);
         } catch (java.lang.Throwable ivjExc) {
              handleException(ivjExc);
         // user code begin {2}
         // user code end
    * main entrypoint - starts the part when it is run as an application
    * @param args java.lang.String[]
    public static void main(java.lang.String[] args) {
         try {
              java.awt.Frame frame = new java.awt.Frame();
              Combobox aCombobox;
              aCombobox = new Combobox();
              frame.add("Center", aCombobox);
              frame.setSize(aCombobox.getSize());
              frame.addWindowListener(new java.awt.event.WindowAdapter() {
                   public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
              frame.setVisible(true);
         } catch (Throwable exception) {
              System.err.println("Exception occurred in main() of Combobox");
              exception.printStackTrace(System.out);
    * Insert the type's description here.
    * Creation date: (11/17/2001 2:16:11 PM)
    * @author:
    class Panel extends java.awt.Panel {
    * Panel constructor comment.
    public Panel() {
         super();
         initialize();
    * Panel constructor comment.
    * @param layout java.awt.LayoutManager
    public Panel(java.awt.LayoutManager layout) {
         super(layout);
    * Called whenever the part throws an exception.
    * @param exception java.lang.Throwable
    private void handleException(java.lang.Throwable exception) {
         /* Uncomment the following lines to print uncaught exceptions to stdout */
         // System.out.println("--------- UNCAUGHT EXCEPTION ---------");
         // exception.printStackTrace(System.out);
    * Initialize the class.
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private void initialize() {
         try {
              // user code begin {1}
              // user code end
              setName("Panel");
              setLayout(null);
              setSize(260, 127);
         } catch (java.lang.Throwable ivjExc) {
              handleException(ivjExc);
         // user code begin {2}
         // user code end
    * main entrypoint - starts the part when it is run as an application
    * @param args java.lang.String[]
    public static void main(java.lang.String[] args) {
         try {
              java.awt.Frame frame = new java.awt.Frame();
              Panel aPanel;
              aPanel = new Panel();
              frame.add("Center", aPanel);
              frame.setSize(aPanel.getSize());
              frame.addWindowListener(new java.awt.event.WindowAdapter() {
                   public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
              frame.setVisible(true);
         } catch (Throwable exception) {
              System.err.println("Exception occurred in main() of java.awt.Panel");
              exception.printStackTrace(System.out);
    * Insert the method's description here.
    * Creation date: (11/17/2001 2:18:36 PM)
    public void paint(Graphics g) {
    /* Here's the error:
    C:\Test.java:389: non-static method readCombo() cannot be referenced from a static context
         System.out.println(Test.lerCombo());*/
         System.out.println(Test.readCombo());

Maybe you are looking for

  • Hard drive SMART status: do I need to replace the drive?

    Recently I checked my PowerBook's hard drive with Disk Utility, and I got "invalid node structure"--an unfixable error. I backed everything up, reformatted the disk, and copied my files back onto it, and this time Disk Utility reported no error. Disk

  • Deployment of Acrobat 9 with custom stamps

    Hi, I would like to deploy Adobe Acrobat 9 Standard using the Customization Wizard which appears straight forward however I would like to know if there is anyway to deploy custom stamps as we have over 50 and is a major time consumption to deploy man

  • How to display grid the interactive form

    Dear All I m trying to print the grid into the interactive form using adobe life cycle 8.1. My requirement is like I am getting the value in my local node in the view. From there i have to populate those value into the Pdf. So that user can take the

  • Formatting a field in the repetitive area of the Print Layout Design

    Our quantity fields in the repetitive area print out with a decimal point and 3 spaces after the decimal point (i.e. 10.000). How can I change the format of these fields so that there are no decimals included (i.e. 10) when we print an order? Thanks.

  • Quicktime Settings for Sequence

    Oh, I'm quite disappointed. Having worked with FinalCut Pro for many years on my G4 Macs without problems, I needed the new software for my new Intel iMac. I thought it would be enough to buy FCE, but I miss hardly the Quicktime Video Settings for th