Button Text into Label Text

866915

Write a program that has three buttons, each displaying a different text that when pressed will display the text on the button in a text box. That was my task, and here is my code:

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.lang.String;

public class MouseClick
{
Label objLabel1;
Label objLabel2;
Label objLabel3;
public static void main(String[] args)
{
MouseClick MC= new MouseClick();
}

public MouseClick()
{
JFrame f = new JFrame("JFrame");
final JPanel p1 = new JPanel();
Button a = new Button("A");
a.setBounds(20,30,40,40);
JButton b = new JButton("B");
b.setBounds(85,75, 40, 40);
JButton c = new JButton("C");
c.setBounds(130, 120, 40, 40);
p1.add(a);
p1.add(b);
p1.add(c);
f.getContentPane().add(p1);

objLabel1 = new Label("A");
objLabel1.setBounds(20,75,40,40);
objLabel2 = new Label("B");
objLabel2.setBounds(85,120,40,40);
objLabel3 = new Label("C");
objLabel3.setBounds(130,185,40,40);
p1.add(objLabel1);
objLabel1.setVisible(false);
p1.add(objLabel2);
objLabel2.setVisible(false);
p1.add(objLabel3);
objLabel3.setVisible(false);
f.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent we)
{
System.exit(0);
}
});
f.setSize(400,400);
f.setVisible(true);
}

public class MyMouseListener extends MouseAdapter
{
public void mouseClicked(MouseEvent me)
{
//String stra = me.getActionCommand ("A");
//objLabel1.setText (stra);
//String strb = me.getActionCommand ("B");
//objLabel1.setText (strb);
//String strc = me.getActionCommand ("C");
//objLabel1.setText (strc);
Label objLabel1;
Label objLabel2;
Label objLabel3;
objLabel1.setVisible(true);
objLabel2.setVisible(true);
objLabel3.setVisible(true);
}
}
}


I originally used Strings, but it wasn't working. right now the error i'm getting is that the objLabels havent been initialized. Help? thanks!

823824

see the three labels objLabel1 and other two.

you haven't did

objLabel1 = new Label("");

thats why not initialized error. Instantiating.........

Edited by: Vinayjgeorge on Jun 6, 2011 8:32 PM

823824

Hi

I just went through the complete code.

* You can use one label and set its text on each press.
* I didn't see action listener with your code.

* use this for buttons to add action listener so that it can detect the button press.

b.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent arg0)
{
objLabel1 = new Label("B"); // this will set the text to label.
}
});

Edited by: Vinayjgeorge on Jun 6, 2011 8:55 PM