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This page contains an archived post to the Java Answers Forum made prior to February 25, 2002.
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Message:
cant understand why?
Posted by arun on July 21, 2001 at 3:23 AM
hi, have just started learning Java. I wanna add a panel and the canvas in a JFrame(swing) , but i cant.
However, i can either see panel or canvas, not both in a frame. here is my code.
can anybody help me plz? Arun
import java.awt.*;
import java.math.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
public class Amplifier extends JPanel{
JPanel mainPane;
public Amplifier(){
mainPane = new JPanel();
Graph graph = new Graph();
Converter fred = new Converter();
mainPane.setLayout(new BorderLayout());
mainPane.add(new Label("Amplifier", Label.CENTER), BorderLayout.NORTH);
mainPane.add(fred, BorderLayout.WEST);
mainPane.add(graph, BorderLayout.CENTER);
} public static void main(String[] args){
Amplifier amplifier = new Amplifier();
Converter fred = new Converter();
JFrame f = new JFrame("Project");
f. addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
}); f.setContentPane(amplifier.mainPane);
f.setContentPane(fred.mainPane);
f.pack();
f.setVisible(true);
}
}
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