Drawing from another class

I have a class Score and in that lcass I have the following method:
* Draw the score to the applet windows
* @param g The graphics object
public void draw(Graphics g, int x, int y)
calculateScore();
String stringScore = new Integer(usersScore).toString();
g.drawString(stringScore, x, y);
In my Applet class, Driver, I have a global graphics object:
Graphics gObject;
I initialize it in the paint method by sayingpublic void paint(Graphics g)
gObject = g;
But, inside the Applet when I call the method draw it doesn't work.
Then I tried
gObject = getGraphics(0But that didn't work either.
Is it possible to draw to an applet from another class?
Thanks.

I just read one of you other postings on a similiar topic. In that thread everybody is assuming you are using Swing and are giving suggestions based on that assumption.
In this thread it appears you are using AWT so I gave suggestions based on that assumption.
It would be nice if you actually asked a clear question and stated what you are doing so people don't waste time guessing what the heck you are trying to do.
Thats one reason why I always ask for demo code. So we don't waste time guessing.
If you need further help then you need to create a [url http://homepage1.nifty.com/algafield/sscce.html]Short, Self Contained, Compilable and Executable, Example Program that demonstrates the incorrect behaviour, because I can't guess exactly what you are doing based on the information provided.
And don't forget to use the [url http://forum.java.sun.com/help.jspa?sec=formatting]Code Formatting Tags so the code retains its original formatting.

Similar Messages

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());

Need to call a repaint from another class

I need to call a repaint from another class, but since I can't make the paint() method a static one, it will not let me access the repaint method, any ideas? thanks guys
Conor

ok here's a very basic idea of whats goin on...
<code>
MainFrame class (in which the paint method resides)
public void paint()
// draw lines
// opens an instance of the settings window
void procSettings_actionPerformed(ActionEvent e)
if(procRunning)
procRunning = false;
timer.stop();
procPaused = true;
procSettings s = new procSettings();
s.setSize(370, 467);
s.setLocationRelativeTo(null);
s.setResizable(false);
s.setVisible(true);
ProcSettings class
if(certain condition)
// reset the lines of the graph
// REPAINT <--- I want to know how to call this repaint, MainFrame.repaint() does not work
thanks

Problem getting arraylist from another class

I am trying to call information about an arraylist from another class. I am using this code to call the size of an arraylist:
import java.io.*;
public class Test
    public static void main(String argv[]) throws IOException
Echo03 thing = new Echo03();
int y=thing.value();
System.out.println(y);
Echo03 thing2 = new Echo03();
int x=thing2.percent.size();
System.out.println(x);
}from another file which starts like this:
public class Echo03 extends DefaultHandler
static ArrayList<String> percent = new ArrayList<String>();
static ArrayList<String> text = new ArrayList<String>();
int a;
public int value(){
     return percent.size();
public static void main(String argv[]) throws IOException
    {The second file is based on an example piece of code from the Java website. I havent posted the whole thing, but if it is relevant then please ask.
Anyway when I run Echo03 by itself, the arraylist has a size of 2. But when I run it from the Test file, it says a size of 0. Is this because the data is not being transferred between the classes? Or is the Echo03 program not executing (and hence the arraylist is not filling up)?
How can I fix this? I have tried 2 ways of calling the data (As seen in my Test file). Neither work.

I didnt post the full bit of the code for the second one. Here it is:
import java.io.*;
import org.xml.sax.*;
import org.xml.sax.helpers.DefaultHandler;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import java.util.ArrayList;
import java.awt.*;
import javax.swing.*;
public class Echo03 extends DefaultHandler
static ArrayList<String> percent = new ArrayList<String>();
static ArrayList<String> text = new ArrayList<String>();
int a;
public static void main(String argv[]) throws IOException
        if (argv.length != 1) {
            System.err.println("Usage: cmd filename");
            System.exit(1);
        // Use an instance of ourselves as the SAX event handler
        DefaultHandler handler = new Echo03();
        // Use the default (non-validating) parser
        SAXParserFactory factory = SAXParserFactory.newInstance();
        try {
            // Set up output stream
   out = new OutputStreamWriter(System.out, "UTF8");
            // Parse the input
            SAXParser saxParser = factory.newSAXParser();
            saxParser.parse( new File(argv[0]), handler);
for (int b=0; b<percent.size();b++){
     System.out.println(percent.get(b+1));
        } catch (Throwable t) {
        System.exit(0);
    static private Writer out;
    public void startElement(String namespaceURI,
                             String lName, // local name
                             String qName, // qualified name
                             Attributes attrs)
    throws SAXException
        if (attrs != null) {
StringBuffer sb = new StringBuffer (250);
for (int i = 0; i < attrs.getLength(); i++) {
                nl();
                emit(attrs.getValue(i));
          sb.append (attrs.getValue(i));
String sf = sb.toString ();
percent.add(sf);
System.out.println(" String: "+sf); a++;
    public void characters(char buf[], int offset, int len)
    throws SAXException
         emit(" ");
        String s = new String(buf, offset, len);
        if (!s.trim().equals("")) {text.add(s); emit(s);}
//===========================================================
    // Utility Methods ...
    //===========================================================
    // Wrap I/O exceptions in SAX exceptions, to
    // suit handler signature requirements
    private void emit(String s)
    throws SAXException
        try {
            out.write(s);
            out.flush();
        } catch (IOException e) {
            throw new SAXException("I/O error", e);
    // Start a new line
    private void nl()
    throws SAXException
        String lineEnd = System.getProperty("line.separator");
        try {
            out.write(lineEnd);
        } catch (IOException e) {
            throw new SAXException("I/O error", e);
}

How to kill one class from another class

I need to dipose one class from another class.
So that first i have to find what are all threads running in that class and then to kill them
Assist me.

Subbu_Srinivasan wrote:
I am explaining you in clear way
No you haven't been.
>
In my application i am handling many JInternalFrame.Simultaneously i am running working on more than one frame.
Due to some poor performance of some thread in one JInternalFrame,the thread is keeps on running .
i could not able to proceed further on that screen.
So i have to kill that JInternalFrame.Yoinks.
To be begin with your problem sounds like you are doing everything in one thread. So stop doing that. Second when you get it split up and if a task is taking too much time then interrupt it. No kill. Interrupt. This means the worker thread needs to check sometimes if it has been interrupted.

Getting a variable value from another class

Is there any way to get the value of a variable from another class? I have a file that calls another that does some checking then gives a true or false. The place the checking is done is inside an ActionListener I want to use that value in the file that calls the second. Any help would be great.

in 'another class', implement a method,
public boolean isCheckedOutOK( Object obj )
do the comparison in that method (use a suitable argument)

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

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;
}

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?

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!!

Accessing a variable defined in one class from another class..

Greetings,
I've only been programming in as3 for a couple months, and so far I've written several compositional classes that take MovieClips as inputs to handle behaviors and interactions in a simple game I'm creating. One problem I keep coming upon is that I'd love to access the custom variables I define within one class from another class. In the game I'm creating, Main.as is my document class, from which I invoke a class called 'Level1.as' which invokes all the other classes I've written.
Below I've pasted my class 'DieLikeThePhishes'. For example, I would love to know the syntax for accessing the boolean variable 'phish1BeenHit' (line 31) from another class. I've tried the dot syntax you would use to access a MovieClip inside another MovieClip and it doesn't seem to be working for me. Any ideas would be appreciated. Thanks,
- Jeremy
package jab.enemy
import flash.display.MovieClip;
import flash.events.Event;
import jab.enemy.MissleDisappear;
public class DieLikeThePhishes
private var _clip2:MovieClip; // player
private var _clip3:MovieClip; //phish1
private var _clip4:MovieClip; //phish2
private var _clip5:MovieClip; //phish3
private var _clip6:MovieClip; //phish4
private var _clip10:MovieClip; // background
private var _clip11:MovieClip // missle1
private var _clip12:MovieClip // missle2
private var _clip13:MovieClip // missle3
private var _clip14:MovieClip // missle4
private var _clip15:MovieClip // missle5
private var _clip16:MovieClip // missle6
private var _clip17:MovieClip // missle7
private var _clip18:MovieClip // missle8
private var _clip19:MovieClip // missle9
private var _clip20:MovieClip // missle10
private var _clip21:MovieClip // missle11
private var _clip22:MovieClip // missle12
var ay1 = 0;var ay2 = 0;var ay3 = 0;var ay4 = 0;
var vy1 = 0;var vy2 = 0;var vy3 = 0;var vy4 = 0;
var phish1BeenHit:Boolean = false;var phish2BeenHit:Boolean = false;
var phish3BeenHit:Boolean = false;var phish4BeenHit:Boolean = false;
public function DieLikeThePhishes(clip2:MovieClip,clip3:MovieClip,clip4:MovieClip,clip5:MovieClip,clip6:M ovieClip,clip10:MovieClip,clip11:MovieClip,clip12:MovieClip,clip13:MovieClip,clip14:MovieC lip,clip15:MovieClip,clip16:MovieClip,clip17:MovieClip,clip18:MovieClip,clip19:MovieClip,c lip20:MovieClip,clip21:MovieClip,clip22:MovieClip)
_clip2 = clip2;_clip3 = clip3;_clip4 = clip4;_clip5 = clip5;_clip6 = clip6;
_clip10 = clip10;_clip11 = clip11;_clip12 = clip12;_clip13 = clip13;_clip14 = clip14;
_clip15 = clip15;_clip16 = clip16;_clip17 = clip17;_clip18 = clip18;_clip19 = clip19;
_clip20 = clip20;_clip21 = clip21;_clip22= clip22;
_clip3.stage.addEventListener(Event.ENTER_FRAME, onEnterFrame)
function onEnterFrame(event:Event):void
vy1+= ay1;_clip3.y += vy1; vy2+= ay2;_clip4.y += vy2;
vy3+= ay3;_clip5.y += vy3; vy4+= ay4;_clip6.y += vy4;
if (phish1BeenHit ==false)
if(_clip3.y >620)
{_clip3.y = 620;}
if (phish2BeenHit ==false)
if(_clip4.y >620)
{_clip4.y = 620;}
if (phish3BeenHit ==false)
if(_clip5.y >620)
{_clip5.y = 620;}
if (phish4BeenHit ==false)
if(_clip6.y >620)
{_clip6.y = 620;}
if (_clip11.hitTestObject(_clip3) ||_clip12.hitTestObject(_clip3)||_clip13.hitTestObject(_clip3)||_clip14.hitTestObject(_cl ip3)||_clip15.hitTestObject(_clip3)||_clip16.hitTestObject(_clip3)||_clip17.hitTestObject( _clip3)||_clip18.hitTestObject(_clip3)||_clip19.hitTestObject(_clip3)||_clip20.hitTestObje ct(_clip3)||_clip21.hitTestObject(_clip3)||_clip22.hitTestObject(_clip3))
_clip3.scaleY = -Math.abs(_clip3.scaleY);
_clip3.alpha = 0.4;
ay1 = 3
vy1= -2;
phish1BeenHit = true;
if (_clip11.hitTestObject(_clip4) ||_clip12.hitTestObject(_clip4)||_clip13.hitTestObject(_clip4)||_clip14.hitTestObject(_cl ip4)||_clip15.hitTestObject(_clip4)||_clip16.hitTestObject(_clip4)||_clip17.hitTestObject( _clip4)||_clip18.hitTestObject(_clip4)||_clip19.hitTestObject(_clip4)||_clip20.hitTestObje ct(_clip4)||_clip21.hitTestObject(_clip4)||_clip22.hitTestObject(_clip4))
_clip4.scaleY = -Math.abs(_clip4.scaleY);
_clip4.alpha = 0.4;
ay2 = 3
vy2= -2;
phish2BeenHit = true;
if (_clip11.hitTestObject(_clip5) ||_clip12.hitTestObject(_clip5)||_clip13.hitTestObject(_clip5)||_clip14.hitTestObject(_cl ip5)||_clip15.hitTestObject(_clip5)||_clip16.hitTestObject(_clip5)||_clip17.hitTestObject( _clip5)||_clip18.hitTestObject(_clip5)||_clip19.hitTestObject(_clip5)||_clip20.hitTestObje ct(_clip5)||_clip21.hitTestObject(_clip5)||_clip22.hitTestObject(_clip5))
_clip5.scaleY = -Math.abs(_clip5.scaleY);
_clip5.alpha = 0.4;
ay3 = 3
vy3= -2;
phish3BeenHit = true;
if (_clip11.hitTestObject(_clip6) ||_clip12.hitTestObject(_clip6)||_clip13.hitTestObject(_clip6)||_clip14.hitTestObject(_cl ip6)||_clip15.hitTestObject(_clip6)||_clip16.hitTestObject(_clip6)||_clip17.hitTestObject( _clip6)||_clip18.hitTestObject(_clip6)||_clip19.hitTestObject(_clip6)||_clip20.hitTestObje ct(_clip6)||_clip21.hitTestObject(_clip6)||_clip22.hitTestObject(_clip6))
_clip6.scaleY = -Math.abs(_clip6.scaleY);
_clip6.alpha = 0.4;
ay4 = 3
vy4= -2;
phish4BeenHit = true;
if (_clip3.y > 10000)
_clip3.x = 1000 +3000*Math.random()-_clip10.x;
_clip3.y = 300;
_clip3.alpha = 1;
_clip3.scaleY = Math.abs(_clip3.scaleY);
ay1 = vy1 = 0;
phish1BeenHit = false;
if (_clip4.y > 10000)
_clip4.x = 1000 +3000*Math.random()-_clip10.x;
_clip4.y = 300;
_clip4.alpha = 1;
_clip4.scaleY = Math.abs(_clip4.scaleY);
ay2 = vy2 = 0;
phish2BeenHit = false;
if (_clip5.y > 10000)
_clip5.x = 1000 +3000*Math.random()-_clip10.x;
_clip5.y = 300;
_clip5.alpha = 1;
_clip5.scaleY = Math.abs(_clip5.scaleY);
ay3 = vy3 = 0;
phish3BeenHit = false;
if (_clip6.y > 10000)
_clip6.x = 1000 +3000*Math.random()-_clip10.x;
_clip6.y = 300;
_clip6.alpha = 1;
_clip6.scaleY = Math.abs(_clip6.scaleY);
ay4 = vy4 = 0;
phish4BeenHit = false;
var missleDisappear1 = new MissleDisappear(_clip11,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear2 = new MissleDisappear(_clip12,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear3 = new MissleDisappear(_clip13,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear4 = new MissleDisappear(_clip14,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear5 = new MissleDisappear(_clip15,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear6 = new MissleDisappear(_clip16,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear7 = new MissleDisappear(_clip17,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear8 = new MissleDisappear(_clip18,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear9 = new MissleDisappear(_clip19,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear10 = new MissleDisappear(_clip20,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear11 = new MissleDisappear(_clip21,_clip3,_clip4,_clip5,_clip6,_clip10);
var missleDisappear12 = new MissleDisappear(_clip22,_clip3,_clip4,_clip5,_clip6,_clip10);

I would approach it in much the same way as you would in java, by making getters and setters for all of your class variables.
Getters being for returning the values, Setters being for setting them.
So you would make a get function for the variable you want to access ala:
function get1PhishBeenHit():boolean {
return this.phish1BeenHit;
Then to access the value of that variable from outwith the class:
var result:boolean = ClassInstanceName.get1PhishBeenHit();

Can I invoke a class that extends JAppl from another class extends JAppl

Can I invoke a class that extends JApplet from another class that extends JApplet. I need to invoke an applet then select an action which opens another applet. Thanks in advance.

Nobody is able to solve this problem, i cant even
think this things. i have hope so plz try and get
result and help.Did you understand what Sharad has said???
Yep, you can forward to specific error page from servlet when even error occured in JSP. In order to achieve you have to open jsp file from servlet say example by using reqdisp.forward.
handle exception in the part where you are forwarding. And forward to the specific error page inside catch block.

Accessing an Array List from another class

Hi, I was a member on here before, but I forgot my password and my security question is wrong.
My question is how do I access a private arraylist from a different class in the same package?
What I am trying to do is the following (hard to explain).
Make a picking client for a shop, so that when an order is recieved, the picker can click on the orders button, and view all of the current orders that have not been completed. This Pick client has its own user interface, in a seperate class from where the BoughtList array is created, in the cashier client. The boughtlist is created when the cashier puts in the product number into the cashier client and clicks buy. I seem to be having trouble accessing the list from another class. Once the order is completed the cashier clicks bought and the list is reset. There is another class in a different pagage that processes some of the functions of the order, eg newOrder().
Yes it is for Uni so I dont need / want the full answers, jist something to get started. Also please dont flame me, I have done many other parts of this project, just having trouble getting started on this one.
Here is the code for the cashier client. The code for the Pick client is almost the same, I just need to make the code that displays the orders.
package Clients;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.text.NumberFormat;
import java.util.Locale;
import Catalogue.*;
import DBAccess.*;
import Processing.*;
import Middle.*;
class CashierGUI
class STATE                             // Cashier states
    public static final int PROCESS = 0;
    public static final int CHECKED = 1;
class NAME                             // Names of buttons
    public static final String CHECK = "Check";
    public static final String BUY    = "Buy";
    public static final String CANCEL = "Cancel";
    public static final String BOUGHT = "Bought";
private static final int H = 300;       // Height of window pixels
private static final int W = 400;       // Width of window pixels
private JLabel      theAction = new JLabel();
private JTextField theInput   = new JTextField();
private JTextArea   theOutput = new JTextArea();
private JScrollPane theSP      = new JScrollPane();
private JButton     theBtCheck = new JButton( NAME.CHECK );
private JButton     theBtBuy   = new JButton( NAME.BUY );
private JButton     theBtCancel= new JButton( NAME.CANCEL );
private JButton     theBtBought= new JButton( NAME.BOUGHT );
private int         theState   = STATE.PROCESS;   // Current state
private Product     theProduct = null;            // Current product
private BoughtList theBought = null;            // Bought items
private Transaction     theCB        = new Transaction();
private StockReadWriter theStock     = null;
private OrderProcessing theOrder     = null;
private NumberFormat theMoney =
          NumberFormat.getCurrencyInstance( Locale.UK );
public CashierGUI( RootPaneContainer rpc, MiddleFactory mf )
    try                                             //
      theStock = mf.getNewStockReadWriter();        // DataBase access
      theOrder = mf.getNewOrderProcessing();        // Process order
    } catch ( Exception e )
      System.out.println("Exception: " + e.getMessage() );
    Container cp         = rpc.getContentPane();    // Content Pane
    Container rootWindow = (Container) rpc;         // Root Window
    cp.setLayout(null);                             // No layout manager
    rootWindow.setSize( W, H );                     // Size of Window
    Font f = new Font("Monospaced",Font.PLAIN,12); // Font f is
    theBtCheck.setBounds( 16, 25+60*0, 80, 40 );    // Check Button
    theBtCheck.addActionListener( theCB );          // Listener
    cp.add( theBtCheck );                           // Add to canvas
    theBtBuy.setBounds( 16, 25+60*1, 80, 40 );      // Buy button
    theBtBuy.addActionListener( theCB );            // Listener
    cp.add( theBtBuy );                             // Add to canvas
    theBtCancel.setBounds( 16, 25+60*2, 80, 40 );   // Cancel Button
    theBtCancel.addActionListener( theCB );         // Listener
    cp.add( theBtCancel );                          // Add to canvas
    theBtBought.setBounds( 16, 25+60*3, 80, 40 );   // Clear Button
    theBtBought.addActionListener( theCB );         // Listener
    cp.add( theBtBought );                          // Add to canvas
    theAction.setBounds( 110, 25 , 270, 20 );       // Message area
    theAction.setText( "" );                        // Blank
    cp.add( theAction );                            // Add to canvas
    theInput.setBounds( 110, 50, 270, 40 );         // Input Area
    theInput.setText("");                           // Blank
    cp.add( theInput );                             // Add to canvas
    theSP.setBounds( 110, 100, 270, 160 );          // Scrolling pane
    theOutput.setText( "" );                        // Blank
    theOutput.setFont( f );                         // Uses font
    cp.add( theSP );                                // Add to canvas
    theSP.getViewport().add( theOutput );           // In TextArea
    rootWindow.setVisible( true );                  // Make visible
class Transaction implements ActionListener       // Listener
    public void actionPerformed( ActionEvent ae )   // Interaction
      if ( theStock == null )
        theAction.setText("No conection");
        return;                                     // No connection
      String actionIs = ae.getActionCommand();      // Button
      try
        if ( theBought == null )
          int on    = theOrder.uniqueNumber();      // Unique order no.
          theBought = new BoughtList( on );         // Bought list
        if ( actionIs.equals( NAME.CHECK ) )        // Button CHECK
          theState = STATE.PROCESS;                // State process
          String pn = theInput.getText().trim();   // Product no.
          int    amount = 1;                       // & quantity
          if ( theStock.exists( pn ) )              // Stock Exists?
          {                                         // T
            Product pr = theStock.getDetails(pn);   // Get details
            if ( pr.getQuantity() >= amount )       // In stock?
            {                                       // T
              theAction.setText(                    //   Display
                pr.getDescription() + " : " +       //    description
                theMoney.format(pr.getPrice()) +    //    price
                " (" + pr.getQuantity() + ")"       //    quantity
              );                                    //   of product
              theProduct = pr;                      //   Remember prod.
              theProduct.setQuantity( amount );     //    & quantity
              theState = STATE.CHECKED;             //   OK await BUY
            } else {                                // F
              theAction.setText(                    //   Not in Stock
                pr.getDescription() +" not in stock"
          } else {                                  // F Stock exists
            theAction.setText(                      // Unknown
              "Unknown product number " + pn        // product no.
        if ( actionIs.equals( NAME.BUY ) )          // Button BUY
          if ( theState != STATE.CHECKED )          // Not checked
          {                                         // with customer
            theAction.setText("Check if OK with customer first");
            return;
          boolean stockBought =                      // Buy
            theStock.buyStock(                       // however
              theProduct.getProductNo(),             // may fail
              theProduct.getQuantity() );            //
          if ( stockBought )                         // Stock bought
          {                                          // T
            theBought.add( theProduct );             // Add to bought
            theOutput.setText( "" );                 // clear
            theOutput.append( theBought.details()); // Display
            theAction.setText("Purchased " +         //    details
                       theProduct.getDescription()); //
//          theInput.setText( "" );
          } else {                                   // F
            theAction.setText("!!! Not in stock");   // Now no stock
          theState = STATE.PROCESS;                  // All Done
        if ( actionIs.equals( NAME.CANCEL ) )        // Button CANCEL
          if ( theBought.number() >= 1 )             // item to cancel
          {                                          // T
            Product dt = theBought.remove();        // Remove from list
            theStock.addStock( dt.getProductNo(),    // Re-stock
                               dt.getQuantity() ); //   as not sold
            theAction.setText("");                   //
            theOutput.setText(theBought.details()); // display sales
          } else {                                   // F
            theOutput.setText( "" );                 // Clear
          theState = STATE.PROCESS;
        if ( actionIs.equals( NAME.BOUGHT ) )        // Button Bought
          if ( theBought.number() >= 1 )             // items > 1
          {                                          // T
            theOrder.newOrder( theBought );          // Process order
            theBought = null;                        // reset
          theOutput.setText( "" );                   // Clear
          theInput.setText( "" );                    //
          theAction.setText( "Next customer" );      // New Customer
          theState = STATE.PROCESS;                  // All Done
        theInput.requestFocus();                     // theInput has Focus
      catch ( StockException e )                     // Error
      {                                              // Of course
        theOutput.append( "Fail Stock access:" +     //   Should not
                            e.getMessage() + "\n" ); // happen
      catch ( OrderException e )                     // Error
      {                                              // Of course
        theOutput.append( "Fail Order process:" +    //   Should not
                            e.getMessage() + "\n" ); // happen
}

(disclaimer: I did not read through your Swing code, as I find that painful)
My question is how do I access a private arraylist from a different class in the same
package?Provide a public accessor method (getMyPrivateArrayList())

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;
};

Using a class that has a main from another class

Can I call a class that has a main from another classes public methods?

Yes, you can, although strictly speaking you won't be calling that classes "main" method, you will simply be calling and initializing the class through it's constructor, the "main" method will be ignored. If you have code inside your main method that you want executed as well consider moving it inside your constructor and simply using the "main" method as an application initializer:
public static void main( String args[] ) {
new MyClass();
This way you can use your class as an application or call it from another class and not have any duplicate code inside your "main" method and constructor. You can also take this further and have it call the applet initialization so that you can launch it any way you like, I suspect this is a bit beyond what you were asking.
Does this solve your problem?

Drawing from another class

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