Super Class « Development « Java Swing Q&A





1. What will happen in Java when I use a method of the super class which has not been written?    stackoverflow.com

Consider the Java code below, what would happen if there were no paintComponent method in JPanel class? ...

import javax.swing.JPanel;

public class ShapesJPanel extends JPanel
{

     public void paintComponent( Graphics g ...

2. Hiding methods of superclass    stackoverflow.com

I've read the Overriding and Hiding Methods tutorial. And from that, I gathered the following:

If a subclass defines a class method with the same signature as a ...

3. calling gui component from super class    bytes.com

I have a JFrame which uses a splitpane, so i'm using two panes. I want to create a new class - one in which i can use the contentPane declared in ...

4. Superclass of GUI-classes    forums.netbeans.org

Hi guys! I have the following problem. I have a class B with a GUI field JButton button. I also have a form class A that extends B. Now, if I ...

5. Object : Cosmic Super Class    coderanch.com

I have an application in which I am using a JTable which displays lots of custom objects as row data. Since I wanted to override only the text representation of these objects, I set a default renderer for the Object class, hoping that it would work just fine. However, I observed it was not working correctly for the classes like Long ...

6. superclass for both awt and swing    forums.oracle.com