Why doesn't JLabels runnable works

**Macario** · 24-11-2009

I made this code to display JLabels "runnable" but that leaves me with lots of errors.

Code:

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.*;
@SuppressWarnings("serial")
public class Game extends JFrame implements MouseListener {
	public JButton bar1 = new JButton("", new ImageIcon("bar1.gif"));
	public JButton bar2 = new JButton("", new ImageIcon("bar2.gif"));
	public JButton bar3 = new JButton("", new ImageIcon("bar3.gif"));
	public JButton bar4 = new JButton("", new ImageIcon("bar4.gif"));
	public JButton field1 = new JButton("", new ImageIcon("field.png"));
	public JButton field2 = new JButton("", new ImageIcon("field.png"));
	public JButton river = new JButton("", new ImageIcon("river.bmp"));
	public JComboBox Menu1 = new JComboBox();
	public int ClickX = 0;
	public int ClickY =0;
	public byte numberOfDoodeGreen=7;	
	public byte numberOfDoodeBlue=8;
	public byte numberOfDoodeRed=4;
	public byte numberOfDoodeYellow=4;
	public byte numberEnemies=75;
	public int numberOfDoode = numberOfDoodeGreen + numberOfDoodeBlue + numberOfDoodeRed + numberOfDoodeYellow;
	public short doowatt=500;
	public short food=500; 
	public short geleeBlack; 
	public short numberEnemiesTues=0;
	public String pseudo;
	public Container content2;
	public JLabel fond;
	public Game (String title) {
		setTitle (title);
		Container content2 = getContentPane();	
		content2.addMouseListener(this);
		public JLabel BarGreen = new JLabel();
		public JLabel BarBlue = new JLabel();
		public JLabel BarRed = new JLabel();
		public JLabel BarYellow = new JLabel();
		public JLabel fond = new JLabel();
		content2.setLayout(null);
		Image image = Toolkit.getDefaultToolkit().createImage("map5.jpg");
		fond.setIcon(new ImageIcon(image));
		public void go(){
		content2.add(BarGreen);
		BarGreen.setText(""+numberOfDoodeGreen);
		BarGreen.setBounds(98,2,20,20);
		BarGreen.setForeground(Color.white); 
		content2.add(BarBlue);
		BarBlue.setText(""+numberOfDoodeBlue);
		BarBlue.setBounds(292,2,20,20);
		BarBlue.setForeground(Color.white);
		content2.add(BarRed);
		BarRed.setText(""+numberOfDoodeRed);
		BarRed.setBounds(492,2,20,20);
		BarRed.setForeground(Color.white);
		content2.add(BarYellow);
		BarYellow.setText(""+numberOfDoodeYellow);
		BarYellow.setBounds(676,2,20,20);
		BarYellow.setForeground(Color.white);
}
		content2.add(bar1);
		bar1.setBounds(5,5,190,55);
		bar1.setFocusPainted(false);
		bar1.setBorderPainted(false);
		bar1.setContentAreaFilled(false);
		bar1.addMouseListener(this); 
 		content2.add(bar2);
		bar2.setBounds(187,5,190,55);
		bar2.setFocusPainted(false);
		bar2.setBorderPainted(false);
		bar2.setContentAreaFilled(false);
		bar2.addMouseListener(this);
		content2.add(bar3);
		bar3.setBounds(372,5,190,55);
		bar3.setFocusPainted(false);
		bar3.setBorderPainted(false); 
		bar3.setContentAreaFilled(false);
		bar3.addMouseListener(this);
		content2.add(bar4);
		bar4.setBounds(557,5,190,55);
		bar4.setFocusPainted(false);
		bar4.setBorderPainted(false);
		bar4.setContentAreaFilled(false);
		bar4.addMouseListener(this);
		content2.add(field1);
		field1.setBounds(1000,500,190,55);
		field1.setFocusPainted(false);
		field1.setBorderPainted(false);
		field1.setContentAreaFilled(false);
		field1.addMouseListener(this);
		content2.add(field2);
		field2.setBounds(250,800,190,55);
		field2.setFocusPainted(false);
		field2.setBorderPainted(false); 
		field2.setContentAreaFilled(false);
		field2.addMouseListener(this);
		content2.add(river);
		river.setBounds(0,0,190,55);
		river.setFocusPainted(false);
		river.setBorderPainted(false);
		river.setContentAreaFilled(false);
		river.addMouseListener(this);
		content2.add(fond);
		fond.setBounds(0, 0, 1280, 1024);
		setSize(1280,1024);
		setResizable(false);
		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		setVisible(true);
	}
	public void mouseClicked(MouseEvent e) {	
		Object source = e.getSource();	
		if (source != bar1){
			ClickX = e.getX();
			ClickY = e.getY();
			System.out.print("\n the variable is Ã*:"+ClickX+" and to "+ClickY);
			numberOfDoodeRed++;
		}
	}
	public void mouseEntered(MouseEvent arg0) {
	}
	public void mouseExited(MouseEvent arg0) {
	}
	public void mousePressed(MouseEvent Pressevt) {
	}
	public void mouseReleased(MouseEvent arg0) {
	}
	class PlayAnimation implements Runnable{
        @Override
        public void run() {
                go();          
}

errors:

Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems:
Duplicate field Game.fond
Syntax error, insert "}" to complete MethodBody
Duplicate field Game.fond
Syntax error on token(s), misplaced construct(s)
Syntax error on token "null", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "setIcon", = expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "bar1", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "bar2", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "bar3", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "bar4", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "field1", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "field2", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "river", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "false", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "this", delete this token
Syntax error on token(s), misplaced construct(s)
Syntax error on token "fond", VariableDeclaratorId expected after this token
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, delete these tokens
Syntax error on token(s), misplaced construct(s)
Syntax error on tokens, AnnotationName expected instead
Syntax error on token ";", @ expected
Syntax error on token ";", @ expected
Syntax error on token "}", delete this token

at Game.<init>(Game.java:46)
at Menu.actionPerformed(Menu.java:83)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

**absolute55** · 24-11-2009

I too tried but given the error code your Java is not java. Did you used an IDE? Finally, if you miss it and braces may be another component of syntax.

**Macario** · 24-11-2009

No, actually my method was in my constructor, and it hangs. I repeated the trick, and I do know not why, but my JPanel "numberOfDoodeGreen does not gets displayed ..

Code:

................
class PlayAnimation implements Runnable
{
	public void go()
	{
		BarGreen.setText(""+numberOfDoodeGreen);
		go();
	}
	@Override
	public void run() 
	{
		go();      
	}
}

**$tatic** · 24-11-2009

The problem is infinite recursive call!

Code:

public void go(){
  BarGreen.setText(""+numberOfDoodeGreen);
  go();
}
 
@Override
public void run() {
  go();   
}

This is not how we do animations. No recursive call! This will eat up all memory on the computer. It is iterative loops. Let the time the computer has to do something else and then take breaks. Something like:

Code:

public void go(){
  SwingUtilities.invokeLater(new Runnable() {
     public void run() {
       BarGreen.setText(""+numberOfDoodeGreen);
     }
  }
}
 
@Override
public void run() {
  try {
    while (true) {
      go();
      Thread.sleep(500);
    }
  }
  catch (InterruptedException ie) {
  }
}

But that's if your ever Runnable PlayAnimation is a start in another Thread. Otherwise it is also possible to run in the EDT using a Swing Timer (javax.swing.Timer) who has what it takes to be re-called at regular intervals.