Help with HashMap and Collections
Hey everyone,
I am currently writing a program that makes use of HashMap, which I am not at all familiar with. I looked it up in some books and some websites, but it seems everyone does something different every time so I need some guidance. My program is to take Inventory Item objects that have an name and an inventory number and store them in a HashMap. Originally I had them stored in an Array but now it's gonna be in a HashMap. This also uses some Java GUI elements so bear with me.
Ok, first here is my code for my Item object:
public class Item{
private String number;
private String name;
public Item(String number, String name) {
this.number = number;
this.name = name;
@Override
public String toString() {
return "#"+number+" N:"+name;
}And this is what I got so far for my Inventory GUI:
import java.util.HashMap;
import java.util.Iterator;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JScrollPane;
public class InventoryGUI {
//private static Item[] item = new Item[10];
HashMap hash = new HashMap();
private static int count = 0;
public static void main(String[] args) {
JFrame gui = new JFrame("Project 2 GUI");
gui.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
JPanel inputPanel = new JPanel();
inputPanel.setLayout(new GridLayout(5,2));
inputPanel.add(new Label("Inventory Number"));
final JTextField numberField = new JTextField(15);
inputPanel.add(numberField);
inputPanel.add(new Label("Name"));
final JTextField nameField = new JTextField(15);
inputPanel.add(nameField);
gui.add(inputPanel, BorderLayout.NORTH);
final DefaultListModel dfl = new DefaultListModel();
JList jl = new JList(dfl);
JScrollPane jsp = new JScrollPane(jl);
gui.add(jsp);
JPanel southPanel = new JPanel();
southPanel.setLayout(new GridLayout(2,1));
final JTextField errorMsg = new JTextField();
errorMsg.setEditable(false);
southPanel.add(errorMsg);
JPanel buttonPanel = new JPanel();
southPanel.add(buttonPanel);
JButton addButton = new JButton("Add");
addButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
String number = numberField.getText();
numberField.setText("");
String name = nameField.getText();
nameField.setText("");
hash.put(number, name);
count++;
buttonPanel.add(addButton);
JButton deleteButton = new JButton("Delete");
deleteButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
buttonPanel.add(deleteButton);
JButton findButton = new JButton("Find");
findButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
dfl.clear();
String temp = hashMap.get(number);
dfl.addElement(temp);
buttonPanel.add(findButton);
JButton showButton = new JButton("Show");
showButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
dfl.clear();
for (Item p : item) {
dfl.addElement(p);
buttonPanel.add(showButton);
JButton saveButton = new JButton("Save");
saveButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
buttonPanel.add(saveButton);
JButton restoreButton = new JButton("Restore");
restoreButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
buttonPanel.add(restoreButton);
JButton exitButton = new JButton("Exit");
exitButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
System.exit(1);
buttonPanel.add(exitButton);
gui.add(southPanel, BorderLayout.SOUTH);
gui.pack();
gui.setVisible(true);
}I know a lot of those buttons are missing functions, but I want to get clear on how to implement a HashMap here. Any help or insight will be greatly appreciated.
Hey thanks for that, it was some nice insight. However I'm still stumped on how HashMap needs to work in this situation. It worked fine with an object array, but this is stumping me good. To be a little more specific, I need several functions to happen with this HashMap, each correlating with a button for the GUI.
It needs to be able to add Item objects to the HashMap (the key is the inventory number, and the value is the Item object), it needs to be able to delete an Item object (by using the inventory number), it needs to be able to find Items by inventory number, show all Items currently in the HashMap, save the info in the HashMap to a file on disk by using ObjectStreams, and a restore button just loads the data from that file to the HashMap.
It's a lot right? :D
I'm struggling to get anything to work with a HashMap however. If I could get some assistance with any of these functions, I would greatly appreciate it. Here's my updated code:
import java.util.HashMap;
import java.util.Iterator;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JScrollPane;
public class InventoryGUI {
//private static Item[] item = new Item[10];
HashMap hash = new HashMap();
private static int count = 0;
public static void main(String[] args) {
JFrame gui = new JFrame("Project 2 GUI");
gui.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
JPanel inputPanel = new JPanel();
inputPanel.setLayout(new GridLayout(5,2));
inputPanel.add(new Label("Inventory Number"));
final JTextField numberField = new JTextField(15);
inputPanel.add(numberField);
inputPanel.add(new Label("Name"));
final JTextField nameField = new JTextField(15);
inputPanel.add(nameField);
inputPanel.add(new Label("Manufacturer"));
final JTextField manField = new JTextField(15);
inputPanel.add(manField);
inputPanel.add(new Label("Description"));
final JTextField descField = new JTextField(15);
inputPanel.add(descField);
inputPanel.add(new Label("Price"));
final JTextField priceField = new JTextField(15);
inputPanel.add(priceField);
gui.add(inputPanel, BorderLayout.NORTH);
final DefaultListModel dfl = new DefaultListModel();
JList jl = new JList(dfl);
JScrollPane jsp = new JScrollPane(jl);
gui.add(jsp);
JPanel southPanel = new JPanel();
southPanel.setLayout(new GridLayout(2,1));
final JTextField errorMsg = new JTextField();
errorMsg.setEditable(false);
southPanel.add(errorMsg);
JPanel buttonPanel = new JPanel();
southPanel.add(buttonPanel);
JButton addButton = new JButton("Add");
addButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
String number = numberField.getText();
numberField.setText("");
String name = nameField.getText();
nameField.setText("");
String manufacturer = manField.getText();
manField.setText("");
String description = descField.getText();
descField.setText("");
float price = Integer.parseInt(priceField.getText());
priceField.setText("");
Item myItem=new Item(number, name, manufacturer, description, price);
hash.put(number, myItem);
count++;
buttonPanel.add(addButton);
JButton deleteButton = new JButton("Delete");
deleteButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
dfl.clear();
String number = numberField.getText();
numberField.setText("");
hashMap.remove(number);
buttonPanel.add(deleteButton);
JButton findButton = new JButton("Find");
findButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
dfl.clear();
String number = numberField.getText();
numberField.setText("");
Item temp = new Item(hashMap.get(number));
dfl.addElement(temp);
buttonPanel.add(findButton);
JButton showButton = new JButton("Show");
showButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
dfl.clear();
for (Item p : item) {
dfl.addElement(p);
buttonPanel.add(showButton);
JButton saveButton = new JButton("Save");
saveButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
buttonPanel.add(saveButton);
JButton restoreButton = new JButton("Restore");
restoreButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
buttonPanel.add(restoreButton);
JButton exitButton = new JButton("Exit");
exitButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
System.exit(1);
buttonPanel.add(exitButton);
gui.add(southPanel, BorderLayout.SOUTH);
gui.pack();
gui.setVisible(true);
}Thanks for any help you can give me!
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user610131 wrote:
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Or move from pull to push: instead of A getting
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It's not really a setter. Outsiders are not setting
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You can see yourself that pushing the date into the
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hi guys..
i m new to this forum..
and this is my first post....so if i act a little naive .....please bare with me.
and if this is not the correct place to post ..i m sorry for that.
i have an assignment to submit....i m getting the whole picture ....but not sure how to go about implementing it.
here it is...
Write an Object Oriented solution to the problem in Java. The solution is to consist of:
A TableIndex class
A TableNavigator Interface
A data row class ....class that i have to create.
An application class to use and test your TableIndex class
The following UML class diagrams show the public methods of the classes. Other methods may be specified. Specify data members, inner classes and interfaces as appropriate.
TableIndex Class
The TableIndex class is an index to a collection of objects. The class is to approximate an index to a data table in memory that consists of a number of rows. To control access to the index a current row is defined that specifies the row that can be accessed. To retrieve a row from the index it must be the current row. The get() method is the only method in TableIndex class that retrieves a row from the index. The current row can be changed explicitly using the methods: previous(), next(), first(), last(), gotoBookmark and find(K); and implicitly using insert(K, V), modify(K, V) and remove().
The TableIndex class is to be implemented using the java API's TreeMap class and must use Generics. The data types K and V below are generic types for the Key and Value (row) respectively. An important aspect of the assignment is using the Java API documentation to understand the TreeMap class.
guys ....can u plz help with the starting bit ..
what should be the opening statement of the class...
public class TableIndex<K , V> .....????
and what should be the treemap declaration..??
TreeMap<K , V> indexTable = new TreeMap<K , V>();...???
i m confused....
can u plz explain to me..hi mate.....didnt quite get you..
can u plz be a bit more simple in explanation..!!!
i will post the whole question ..so that anyone reading will understand better....
Problem Description
You are to develop an index class and associated classes.
Requirements
Write an Object Oriented solution to the problem in Java. The solution is to consist of:
A TableIndex class
A TableNavigator Interface
A data row class
An application class to use and test your TableIndex class
The following UML class diagrams show the public methods of the classes. Other methods may be specified. Specify data members, inner classes and interfaces as appropriate.
TableIndex Class
The TableIndex class is an index to a collection of objects. The class is to approximate an index to a data table in memory that consists of a number of rows. To control access to the index a current row is defined that specifies the row that can be accessed. To retrieve a row from the index it must be the current row. The get() method is the only method in TableIndex class that retrieves a row from the index. The current row can be changed explicitly using the methods: previous(), next(), first(), last(), gotoBookmark and find(K); and implicitly using insert(K, V), modify(K, V) and remove().
The TableIndex class is to be implemented using the java API's TreeMap class and must use Generics. The data types K and V below are generic types for the Key and Value (row) respectively. An important aspect of the assignment is using the Java API documentation to understand the TreeMap class.
TableIndex
+TableIndex()
+TableIndex(name: String, comp: Comparator)
+getName(): String
+isEmpty(): Boolean
+size(): Integer
+hasPrevious(): Boolean
+hasNext(): Boolean
+previous()
+next()
+first()
+last()
+setBookmark(): Boolean
+clearBookmark()
+gotoBookmark(): Boolean
+contains(key: K): Boolean
+find(key: K): Boolean
+get(): V
+insert(key:K, value: V): Boolean
+modify(value: V): Boolean
+modify(key: K, value: V): Boolean
+remove(): V
+iterator(): Iterator
+equals(obj2: Object): Boolean
+toString(): String
Additional Notes:
The table index has an order defined by the compareTo method of the key's class or by the compare method specified in the class that implements the Comparator interface.
getName(): the name of the index, blank by default.
isEmpty(): returns true if there aren't any rows in the table index
size(): returns the number of rows in the table index
hasPrevious(): returns true if there is a row before the current row.
hasNext(): returns true if there is a row after the current row in sequence.
previous(): if there is a row before the current row, move to the row and make it the new current row.
next() if there is a row after the current row, move to the row and make it the new current row.
first(): if the table isn't empty, move to the first row and make it the new current row.
last(): if the table isn't empty, move to the last row and make it the new current row.
setBookmark(): sets a bookmark at the current row. If the bookmark is successfully set the method returns true. The bookmark is cleared if the TableIndex is empty or the row the bookmark was set on is deleted..
clearBookmark(): sets the bookmark to null, indicating there isn't a bookmark.
gotoBookmark(): if a bookmark has been set, go to the bookmarked row. If successful the book marked row becomes the current row and the method returns true.
contains(K): return true if a row with the key specified exists.
find(K): if a row is found with the specified key, the current row is set to the row found.
get(): returns the current row. Null is returned if there isn't a current row.
insert(K, V): inserts a row (value) with the key specified. The key must not be null and must be unique (not already in the TableIndex). The row (value) must not be null. If the row is successfully inserted true is returned, and the row becomes the current row..
modify(V): change the current row's data to the row (value) specified. The key and the current row key are to remain the same. If successful true is returned.
modify(K, V): change the current row's key and data to the key and row (value) specified. If successful the changed row becomes the new current row. If successful true is returned. Note: this is more difficult than modify(V).
remove(): remove the current row. When a row is deleted the next row (if available) becomes the current row, otherwise if there isn't a next row the previous row becomes the current row, otherwise the table is empty therefore the current row is null.
iterator(): returns an iterator to the rows (values) in the index. The rows are to be retrieved in order. The remove method does not need to be implemented (its method body can be empty)..
the equals method uses the name, and the rows (values) in order when testing for equality.
the toString method should return appropriately formatted data members and the rows (values/data) in the index.
TableNavigator Interface
«interface»
TableNavigator
+isEmpty(): Boolean
+hasPrevious(): Boolean
+hasNext(): Boolean
+previous()
+next()
+first()
+last()
+contains(key: K): Boolean
+find(key: K): Boolean
Additional Notes:
The TableIndex class implements the TableNavigator Interface.
The purpose of the above methods is outlined in the TableIndex class.
Your Data Row Class
You are to include a class of your own to represent a row of data in the TableIndex. This is not to be a class that was covered in other programming subjects. It does not need to be complex but must include a range of data types. This class will be used to test your TableIndex class. The class should have an appropriate name and deal with something of interest to you.
Your Application Class
The application class is to make use of the TableIndex class and your data row class. It is to clearly show how the TableIndex class is used, and in doing so, test it. The class should have an appropriate name. The application class should create two indexes of different key data types. One of the indexes must make use of the Comparator interface to have a key that is in descending order.
Output
Output in the test classes/programs is to go to standard out or a text file. There should be no output from the TableIndex class or your data row class. A GUI interface is NOT required. There is no need to input data from the keyboard or file. Use the Unix script command or write output to a text file (etc) to provide example runs of your test programs. -
Help with JSP and logic:iterate
I have some queries hope someone can help me.
I have a jsp page call request.jsp:
====================================
<%@ page import="java.util.*" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
<html>
<body>
<%@ page import="RequestData" %>
<jsp:useBean id="RD" class="RequestData" />
<%Iterator data = (Iterator)request.getAttribute("Data");%>
<logic:iterate id="element" name="RD" collection="<%=data%>">
<jsp:getProperty name="RD" property="requestID" />
<%=element%><br>
</logic:iterate>
</body>
</html>
And I have the RequestData.java file:
======================================
private int requestID = 1234;
public int getRequestID() { return requestID; }
The jsp page display:
======================
0 RequestData@590510
0 RequestData@5b6d00
0 RequestData@514f7f
0 RequestData@3a5a9c
0 RequestData@12d7ae
0 RequestData@e1666
Seems like the requestID is not returned. Does anybody know this?
I have done the exact one using JSP and servlets, trying to learn using JSP and custom tags. The one with JSP and servlet looks like:
============================================
<%@ page import="RequestData" %>
<%Iterator data = (Iterator)request.getAttribute("Data");
while (data.hasNext()) {
RequestData RD = (RequestData)data.next();
out.println(RD.getRequestID() );
}%>Oh think I got it...
but one thing I'm not sure is...
If I use "<jsp:useBean id="RD" class="RequestData" />", do I still need "<%@ page import="RequestData" %>"?
I tried without and it gives me error... -
Help with Mathscipt and for loop
I have a code in Mathscript/matlab and I need to output the array out. One option is my first code,the other option is using a for loop, but I am only getting the last ouput out. I need to get the whole output out.
Any help.
Thanks
Solved!
Go to Solution.
Attachments:
Help with Mathscript_for loop.vi 115 KB
Help with Mathscript_for loop2.vi 84 KBHere's how it should look like.
Message Edited by altenbach on 10-30-2008 05:12 PM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
MathscriptInFOR.png 15 KB -
Need help with JTextArea and Scrolling
import java.awt.*;
import java.awt.event.*;
import java.text.DecimalFormat;
import javax.swing.*;
public class MORT_RETRY extends JFrame implements ActionListener
private JPanel keypad;
private JPanel buttons;
private JTextField lcdLoanAmt;
private JTextField lcdInterestRate;
private JTextField lcdTerm;
private JTextField lcdMonthlyPmt;
private JTextArea displayArea;
private JButton CalculateBtn;
private JButton ClrBtn;
private JButton CloseBtn;
private JButton Amortize;
private JScrollPane scroll;
private DecimalFormat calcPattern = new DecimalFormat("$###,###.00");
private String[] rateTerm = {"", "7years @ 5.35%", "15years @ 5.5%", "30years @ 5.75%"};
private JComboBox rateTermList;
double interest[] = {5.35, 5.5, 5.75};
int term[] = {7, 15, 30};
double balance, interestAmt, monthlyInterest, monthlyPayment, monPmtInt, monPmtPrin;
int termInMonths, month, termLoop, monthLoop;
public MORT_RETRY()
Container pane = getContentPane();
lcdLoanAmt = new JTextField();
lcdMonthlyPmt = new JTextField();
displayArea = new JTextArea();//DEFINE COMBOBOX AND SCROLL
rateTermList = new JComboBox(rateTerm);
scroll = new JScrollPane(displayArea);
scroll.setSize(600,170);
scroll.setLocation(150,270);//DEFINE BUTTONS
CalculateBtn = new JButton("Calculate");
ClrBtn = new JButton("Clear Fields");
CloseBtn = new JButton("Close");
Amortize = new JButton("Amortize");//DEFINE PANEL(S)
keypad = new JPanel();
buttons = new JPanel();//DEFINE KEYPAD PANEL LAYOUT
keypad.setLayout(new GridLayout( 4, 2, 5, 5));//SET CONTROLS ON KEYPAD PANEL
keypad.add(new JLabel("Loan Amount$ : "));
keypad.add(lcdLoanAmt);
keypad.add(new JLabel("Term of loan and Interest Rate: "));
keypad.add(rateTermList);
keypad.add(new JLabel("Monthly Payment : "));
keypad.add(lcdMonthlyPmt);
lcdMonthlyPmt.setEditable(false);
keypad.add(new JLabel("Amortize Table:"));
keypad.add(displayArea);
displayArea.setEditable(false);//DEFINE BUTTONS PANEL LAYOUT
buttons.setLayout(new GridLayout( 1, 3, 5, 5));//SET CONTROLS ON BUTTONS PANEL
buttons.add(CalculateBtn);
buttons.add(Amortize);
buttons.add(ClrBtn);
buttons.add(CloseBtn);//ADD ACTION LISTENER
CalculateBtn.addActionListener(this);
ClrBtn.addActionListener(this);
CloseBtn.addActionListener(this);
Amortize.addActionListener(this);
rateTermList.addActionListener(this);//ADD PANELS
pane.add(keypad, BorderLayout.NORTH);
pane.add(buttons, BorderLayout.SOUTH);
pane.add(scroll, BorderLayout.CENTER);
addWindowListener( new WindowAdapter()
public void windowClosing(WindowEvent e)
System.exit(0);
public void actionPerformed(ActionEvent e)
String arg = lcdLoanAmt.getText();
int combined = Integer.parseInt(arg);
if (e.getSource() == CalculateBtn)
try
JOptionPane.showMessageDialog(null, "Got try here", "Error", JOptionPane.ERROR_MESSAGE);
catch(NumberFormatException ev)
JOptionPane.showMessageDialog(null, "Got here", "Error", JOptionPane.ERROR_MESSAGE);
if ((e.getSource() == CalculateBtn) && (arg != null))
try{
if ((e.getSource() == CalculateBtn) && (rateTermList.getSelectedIndex() == 1))
monthlyInterest = interest[0] / (12 * 100);
termInMonths = term[0] * 12;
monthlyPayment = combined * (monthlyInterest / (1 - (Math.pow (1 + monthlyInterest, -termInMonths))));
lcdMonthlyPmt.setText(calcPattern.format(monthlyPayment));
if ((e.getSource() == CalculateBtn) && (rateTermList.getSelectedIndex() == 2))
monthlyInterest = interest[1] / (12 * 100);
termInMonths = term[1] * 12;
monthlyPayment = combined * (monthlyInterest / (1 - (Math.pow (1 + monthlyInterest, -termInMonths))));
lcdMonthlyPmt.setText(calcPattern.format(monthlyPayment));
if ((e.getSource() == CalculateBtn) && (rateTermList.getSelectedIndex() == 3))
monthlyInterest = interest[2] / (12 * 100);
termInMonths = term[2] * 12;
monthlyPayment = combined * (monthlyInterest / (1 - (Math.pow (1 + monthlyInterest, -termInMonths))));
lcdMonthlyPmt.setText(calcPattern.format(monthlyPayment));
catch(NumberFormatException ev)
JOptionPane.showMessageDialog(null, "Invalid Entry!\nPlease Try Again", "Error", JOptionPane.ERROR_MESSAGE);
} //IF STATEMENTS FOR AMORTIZATION
if ((e.getSource() == Amortize) && (rateTermList.getSelectedIndex() == 1))
loopy(7, 5.35);
if ((e.getSource() == Amortize) && (rateTermList.getSelectedIndex() == 2))
loopy(15, 5.5);
if ((e.getSource() == Amortize) && (rateTermList.getSelectedIndex() == 3))
loopy(30, 5.75);
if (e.getSource() == ClrBtn)
rateTermList.setSelectedIndex(0);
lcdLoanAmt.setText(null);
lcdMonthlyPmt.setText(null);
displayArea.setText(null);
if (e.getSource() == CloseBtn)
System.exit(0);
private void loopy(int lTerm,double lInterest)
double total, monthly, monthlyrate, monthint, monthprin, balance, lastint, paid;
int amount, months, termloop, monthloop;
String lcd2 = lcdLoanAmt.getText();
amount = Integer.parseInt(lcd2);
termloop = 1;
paid = 0.00;
monthlyrate = lInterest / (12 * 100);
months = lTerm * 12;
monthly = amount *(monthlyrate/(1-Math.pow(1+monthlyrate,-months)));
total = months * monthly;
balance = amount;
while (termloop <= lTerm)
displayArea.setCaretPosition(0);
displayArea.append("\n");
displayArea.append("Year " + termloop + " of " + lTerm + ": payments\n");
displayArea.append("\n");
displayArea.append("Month\tMonthly\tPrinciple\tInterest\tBalance\n");
monthloop = 1;
while (monthloop <= 12)
monthint = balance * monthlyrate;
monthprin = monthly - monthint;
balance -= monthprin;
paid += monthly;
displayArea.setCaretPosition(0);
displayArea.append(monthloop + "\t" + calcPattern.format(monthly) + "\t" + calcPattern.format(monthprin) + "\t");
displayArea.append(calcPattern.format(monthint) + "\t" + calcPattern.format(balance) + "\n");
monthloop ++;
termloop ++;
public static void main(String args[])
MORT_RETRY f = new MORT_RETRY();
f.setTitle("MORTGAGE PAYMENT CALCULATOR");
f.setBounds(600, 600, 500, 500);
f.setLocationRelativeTo(null);
f.setVisible(true);
}need help with displaying the textarea correctly and the scroll bar please.
Message was edited by:
new2this2020What's the problem you're having ???
PS. -
Can anyone help with iPlayer and Sky Mobile?
Ok, I'm so close to giving up with this useless phone. There are 3 apps on my N97 which give me a constant headache.
BBC iPlayer
Sky Mobile*
YouTube
*I should point out that I only use Sky Mobile to set recordings on my Sky+. I do not use it for, nor have any desire to use it for actually watching Mobile TV.
All of these apps work absolutely fine over my home WiFi network. It's when I try to use them over 3G (my Vodafone Live! connection) that I start running in to trouble.
All 3 give me connection problems, errors, and simply refuse to load half the time when on 3G. I got so annoyed I just did a hard reset the other week, and magically all three started working again. However, now 2 of them are failing me again. YouTube (touch wood) is working fine at the moment, but iPlayer and Sky Mobile just aren't.
iPlayer sometimes works. But sometimes I get script errors (unable to load content), and sometimes it says something about checking my connection settings. I wouldn't mind but it's not actually possible to access any options for the iPlayer. Even in application settings there are no options you're able to set.
Sky Mobile simply flat out refuses to work ever on 3G. But it did after I did a hard reset for a couple of weeks, now it just stopped working! It wont even load. It just gives the error message 'Unable to connect to network - please check connection settings" or something along those lines.
I've tried so many different things. Tried setting my internet connections to 'always ask', tried setting it to default to Vodafone Live! all the time, tried setting my video streaming settings to WAP, all sorts. Every combination I can think of.
I just can't wait to get rid of this phone. I've put so many people off buying one. They see it and think it's all swish and cool, and I just say 'Don't. You'll regret it'. I can't wait for my contract to be up so I can upgrade to an iPhone now Vodafone have got them.
Can anyone help with these problems? Thanks in advance, but I don't hold out much hope...About iPlayer.
Have a chat with Vodaphone. Streaming iPlayer over 3G IS allowed on Vodaphone contract, unlike my O2 contract. As long as your contract allows it, and you have the correct AP address, it should be fine. Vodaphone should be able to give you the setting.
Mine only works over Wlan.
FWIW, "... streaming over 3G is not currently available on iPhone handsets on any mobile network".
p.s. Just to be clear. You say "Tried setting my internet connections to 'always ask', tried setting it to default to Vodafone Live!".
iPlayer uses the Nokia browser "Web". So that's where you should make the setting "Ask when needed". It should then offer you the choice of whatever you've set in Destinations> Internet> then select whatever you've chosen as your GPRS connection.(as advised, or sent to you by Vodaphone). -
Help with exporting and image size or boundaries?
I am trying to slide the cat into the scene a little at a time foir an animation project I am working on. However, when I export the image the back ground of the image expands with a checkered back ground( showing here in white) and shows the whole cat.
How do I just show a little of the cat on the image at a time when exporting. I am trying to give the impression that the cat is walking into the room. I do not want to have to cut the cat up.
I would be thankful for any suggestions.Provide the name of the program you are using so a Moderator may move this message to the correct program forum
This Cloud forum is not about help with program problems... a program would be Photoshop or Lighroom or Muse or ??? -
Help with looping and counting
i am in a CS 1 class and need help with this loop
/*Write a program that will allow the user to enter a character
until the capital letter Z is entered
The program should count the number of letters entered
and print the total after the loop is completed*/
here is what i have it doesn't end nor does it count and i don't know hwo to make it count also i suck at do..while loops hehe
char b,Z=0;
Scanner a = new Scanner(System.in);
do
System.out.print("Enter a letter: "+"\n");
b=a.next().charAt(0);
while (b !=Z);
i know that its not even close to being right just help me out here
Edited by: purplesmurf on Nov 14, 2008 7:25 PMThe following program will count the number of chacters entered until Z is enetered.
import java.io.*;
class count
public static void main(String[] args)throws IOException
char ch;
int cnt=0;
DataInputStream br=new DataInputStream(System.in);
do
System.out.print("Enter a character:");
ch=(char)br.read();
if(ch!='Z')
cnt++;
else
break;
}while((ch=(char)br.read())!='Z');
System.out.println("The Number of entered characters are:"+cnt);
} -
Help with Facebook and Social Media wigets (Was: How do I fix the three probs that...)
I am having problems with the facebook or social media widgets. I would like the link to send viewers to my facebook business page, but when testing it shows my pic and a 'switch' sign (see screen shot) and when I open the site the message is as the other screenshot, great, but I don't know where to find which 'asset' is the problem and why. Also why bother having child pages if the menu doesn't reflect that? I see that drop down menus are an issue, also with some other forum members.
Thanks for any help offered!, I think I have solved the first problem now but still would appreciate any help with the other 2!
For some reason the facebook widget now loads the correct page, and I give up about the drop down menu, hopefully this will be addressed in the next update of Muse??Hello,
For the "asset" issue, try locating the asset in the assets panel. It should have an icon like this: http://jingsite.businesscatalyst.com/jing/2013-12-16_0917.png
For the child pages in the menus issue, go to the menu options (by clicking the small blue arrow in the right top corner of the menu), and then change the menu type to "All Pages" instead of "Top Level Pages".
Hope this helps.
Cheers
Parikshit -
Help with WindowsDesktopSSO and AMIdentity.getAttributes
Hi guys and girls,
I need some help from you experts.
I successfully setup, thanks to this guide
http://blogs.oracle.com/knittel/entry/opensso_windowsdesktopsso
and a lot of trial & errors and googling a Kerberos authentication between OpenAM version 9.5.2 and an Active Directory Server.
When I navigate to openAM page (from a domain machine) http://<openAMhost>:<port>/opensso, it doesn't ask for credentials ...
and I can see, with ieHttpHeaders, kerberos data exchange.
Without creating an Active Directory DataStore (pointing to the same domain where I use kerberos data) in openAM,
when I navigate (from a domain machine) to /opensso/idm/EndUser page, it always gives me:
"Plug-in com.sun.identity.idm.plugins.ldapv3.LDAPv3Repo encountered an ldap exception. LDAP Error 32: The entry specified in the request does not exist."
Since my aim was to get user information from a web app ... I thought I could have done this with an agent/SDK call as I usually do with "classic" authentication.
Now I created a J2EE Agent (on openAM) to protect one of my application deployed on a JBoss 4.2.1-GA server.
Agent configured with default options and these changes:
Agent Filter Mode: J2EE_POLICY
User Mapping Mode: USER_ID
User Attribute Name: tried both with employeenumber and uid
User Principal Flag: enabled
User Token Name: UserToken
FQDN Check: tried both with enabled and disabled
WebAuthentication Available : Enabled
In my application WEB-INF/jboss-web.xml looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<jboss-web>
<security-domain>java:/jaas/AMRealm</security-domain>
</jboss-web>Usually, when I authenticate with "classic" (internal datastore) login, I can get user attributes programmatically with a code like this:
private String getCredenzialiUtente(HttpServletRequest request)
String SSOUsername = null;
SSOToken ssoToken = null;
SSOTokenManager manager = null;
try
manager = SSOTokenManager.getInstance();
if ( manager == null)
throw new RuntimeException("Unable to Get: SSOTokenManager");
String ssoTokenID = AmFilterManager.getAmSSOCache().getSSOTokenForUser(request);
ssoToken = manager.createSSOToken(ssoTokenID);
if ( ssoToken == null )
throw new RuntimeException("Unable to Get: TokenForUser");
AMIdentity amid = new AMIdentity(ssoToken);
if(amid == null)
throw new RuntimeException("Unable to Get: UserIdentity");
SSOUsername = amid.getName();
System.out.println("######### USERNAME FROM SSO: " + SSOUsername);
Set<String> info = new HashSet<String>();
info.add("uid");
info.add("givenName");
java.util.Map mappa = amid.getAttributes(info);
if ( mappa != null )
java.util.Set insieme = mappa.keySet();
java.util.Iterator it = insieme.iterator();
while ( it.hasNext() )
String n = it.next().toString();
System.out.println( n + " ==> " + mappa.get(n) );
else
System.err.println(" DAMN - NO ATTR ");
catch (Exception exception)
exception.getMessage();
exception.printStackTrace();
System.out.println("OUT getCredenzialiUtente: " + SSOUsername);
return SSOUsername;
} When I log to console with default "ldapService" module (outside the domain), I can get something like:
2011-09-29 13:14:38,733 INFO [STDOUT] ####################################### USER = amadmin
2011-09-29 13:15:32,250 INFO [STDOUT] IN getCredenzialiLAit
2011-09-29 13:15:32,260 INFO [STDOUT] ######### USERNAME DA SSO: a2zarrillo
2011-09-29 13:15:32,291 INFO [STDOUT] uid ==> [a2zarrillo]
2011-09-29 13:15:32,291 INFO [STDOUT] givenName ==> [Antonio2]
2011-09-29 13:15:32,311 INFO [STDOUT] OUT getCredenziali: a2zarrillo
2011-09-29 13:15:32,321 INFO [STDOUT] ####################################### USER = a2zarrillobut when i try to login from inside the domain (with kerberos, so no credentials) with a domain user, I get:
2011-09-29 13:15:39,496 INFO [STDOUT] IN getCredenzialiLAit
2011-09-29 13:15:39,503 INFO [STDOUT] ######### USERNAME DA SSO: tonyweb
2011-09-29 13:15:39,550 ERROR [STDERR] Message:Plug-in encountered an ldap exception. LDAP Error 32: The entry specified in the request does not exist.
2011-09-29 13:15:39,554 ERROR [STDERR] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
2011-09-29 13:15:39,560 ERROR [STDERR] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
2011-09-29 13:15:39,562 ERROR [STDERR] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
2011-09-29 13:15:39,566 ERROR [STDERR] at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
2011-09-29 13:15:39,574 ERROR [STDERR] at com.sun.identity.shared.jaxrpc.SOAPClient$SOAPContentHandler.createResourceBasedException(SOAPClient.java:834)
2011-09-29 13:15:39,575 ERROR [STDERR] at com.sun.identity.shared.jaxrpc.SOAPClient$SOAPContentHandler.endDocument(SOAPClient.java:800)
2011-09-29 13:15:39,578 ERROR [STDERR] at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Source)
2011-09-29 13:15:39,582 ERROR [STDERR] at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Source)
2011-09-29 13:15:39,587 ERROR [STDERR] at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
2011-09-29 13:15:39,592 ERROR [STDERR] at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
2011-09-29 13:15:39,598 ERROR [STDERR] at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
2011-09-29 13:15:39,600 ERROR [STDERR] at org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.dispatch(Unknown Source)
2011-09-29 13:15:39,604 ERROR [STDERR] at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
2011-09-29 13:15:39,607 ERROR [STDERR] at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
2011-09-29 13:15:39,609 ERROR [STDERR] at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
2011-09-29 13:15:39,613 ERROR [STDERR] at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
2011-09-29 13:15:39,616 ERROR [STDERR] at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
2011-09-29 13:15:39,621 ERROR [STDERR] at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
2011-09-29 13:15:39,625 ERROR [STDERR] at com.sun.identity.shared.jaxrpc.SOAPClient.send(SOAPClient.java:343)
2011-09-29 13:15:39,633 ERROR [STDERR] at com.sun.identity.shared.jaxrpc.SOAPClient.send(SOAPClient.java:311)
2011-09-29 13:15:39,636 ERROR [STDERR] at com.sun.identity.idm.remote.IdRemoteServicesImpl.getAttributes(IdRemoteServicesImpl.java:229)
2011-09-29 13:15:39,639 ERROR [STDERR] at com.sun.identity.idm.remote.IdRemoteCachedServicesImpl.getAttributes(IdRemoteCachedServicesImpl.java:402)
2011-09-29 13:15:39,642 ERROR [STDERR] at com.sun.identity.idm.AMIdentity.getAttributes(AMIdentity.java:344)
2011-09-29 13:15:39,645 ERROR [STDERR] at org.apache.jsp.MainPageJSP_jsp.getCredenzialiUtente(MainPageJSP_jsp.java:63)
2011-09-29 13:15:39,648 ERROR [STDERR] at org.apache.jsp.MainPageJSP_jsp._jspService(MainPageJSP_jsp.java:217)
2011-09-29 13:15:39,653 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
2011-09-29 13:15:39,660 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
2011-09-29 13:15:39,664 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:387)
2011-09-29 13:15:39,666 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
2011-09-29 13:15:39,669 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
2011-09-29 13:15:39,673 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
2011-09-29 13:15:39,676 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
2011-09-29 13:15:39,678 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
2011-09-29 13:15:39,683 ERROR [STDERR] at com.sun.identity.agents.filter.AmAgentBaseFilter.allowRequestToContinue(AmAgentBaseFilter.java:127)
2011-09-29 13:15:39,685 ERROR [STDERR] at com.sun.identity.agents.filter.AmAgentBaseFilter.doFilter(AmAgentBaseFilter.java:76)
2011-09-29 13:15:39,690 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
2011-09-29 13:15:39,697 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
2011-09-29 13:15:39,701 ERROR [STDERR] at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:687)
2011-09-29 13:15:39,705 ERROR [STDERR] at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
2011-09-29 13:15:39,710 ERROR [STDERR] at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)
2011-09-29 13:15:39,713 ERROR [STDERR] at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
2011-09-29 13:15:39,716 ERROR [STDERR] at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:408)
2011-09-29 13:15:39,725 ERROR [STDERR] at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:442)
2011-09-29 13:15:39,729 ERROR [STDERR] at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:115)
2011-09-29 13:15:39,730 ERROR [STDERR] at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:178)
2011-09-29 13:15:39,734 ERROR [STDERR] at com.cid.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:92)
2011-09-29 13:15:39,741 ERROR [STDERR] at com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.renderView(ViewHandlerImpl.java:295)
2011-09-29 13:15:39,744 ERROR [STDERR] at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
2011-09-29 13:15:39,747 ERROR [STDERR] at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
2011-09-29 13:15:39,750 ERROR [STDERR] at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
2011-09-29 13:15:39,753 ERROR [STDERR] at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
2011-09-29 13:15:39,761 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
2011-09-29 13:15:39,765 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
2011-09-29 13:15:39,768 ERROR [STDERR] at com.cid.faces.webapp.CidWebUIFilter._invokeDoFilter(CidWebUIFilter.java:239)
2011-09-29 13:15:39,776 ERROR [STDERR] at com.cid.faces.webapp.CidWebUIFilter._doFilterImpl(CidWebUIFilter.java:196)
2011-09-29 13:15:39,780 ERROR [STDERR] at com.cid.faces.webapp.CidWebUIFilter.doFilter(CidWebUIFilter.java:80)
2011-09-29 13:15:39,788 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
2011-09-29 13:15:39,793 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
2011-09-29 13:15:39,797 ERROR [STDERR] at com.sun.identity.agents.filter.AmAgentBaseFilter.allowRequestToContinue(AmAgentBaseFilter.java:127)
2011-09-29 13:15:39,803 ERROR [STDERR] at com.sun.identity.agents.filter.AmAgentBaseFilter.doFilter(AmAgentBaseFilter.java:76)
2011-09-29 13:15:39,807 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
2011-09-29 13:15:39,810 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
2011-09-29 13:15:39,813 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
2011-09-29 13:15:39,820 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
2011-09-29 13:15:39,825 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
2011-09-29 13:15:39,829 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
2011-09-29 13:15:39,833 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
2011-09-29 13:15:39,836 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
2011-09-29 13:15:39,843 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
2011-09-29 13:15:39,846 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
2011-09-29 13:15:39,851 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
2011-09-29 13:15:39,854 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
2011-09-29 13:15:39,857 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
2011-09-29 13:15:39,860 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
2011-09-29 13:15:39,862 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
2011-09-29 13:15:39,866 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
2011-09-29 13:15:39,870 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
2011-09-29 13:15:39,874 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)
2011-09-29 13:15:39,877 INFO [STDOUT] OUT getCredenziali: tonywebAs you can see I'm using the "sample" agentApp.war.
What am I missing ? It "crashes" as for getAttributes() call :/
I thought it could be because I didn't setup LDAP DataStore ... so I set up Active Directory Data Store.
While in openAM console (from outside domain) I can see (from Subjects tab) Active Directory users and relative information
(like FirstName (=givenName), Surname (=sn), Full Name (=cn), etc.) ... when I try again with idm/EndUser (from a domain machine)
I get the same error:
Message:Plug-in encountered an ldap exception. LDAP Error 32: The entry specified in the request does not exist.What should I do now ?
If you need more clarifications ... just ask :)
Thank you in advance and sorry for the big post.
Best Regards,
Tony
P.D. By the way, my OpenAM configuration does not create any "amAuthWindowsDesktopSSO.log" :(
I setup, from opensso/Debug.jsp message level for Authentication ... but it still doesn't create this log ... can you please tell me how to let openAM write it ?
Again thank youWeird enough, changing to ADAM data store (and not "standard" AD datastore) solved the problem :D
I still wonder why since both plugins share the same java [implementing] class...
Regards,
Tony
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