import javax.swing.*;
public class LookAndFeel{
public static void main(String[] args){
JFrame F = new MainFrame();
F.setVisible(true);
} // end of main
}//end of class LookA
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
public class NewFrame extends JInternalFrame {
static int Count = 0;
static final int offset = 30;
pub
import javax.swing.*;
import java.awt.event.*;
public class ToolBarAction extends AbstractAction{
public ToolBarAction(String name,Icon icon){
super(name,icon);
}
public void act
import javax.swing.*;
import java.awt.*;
import java.util.*;
import javax.swing.tree.*;
public class DemoTree extends JInternalFrame{
public DemoTree(){
super("Demo Tree Structure", tr
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
public class NewFrame extends JInternalFrame {
static int Count = 0;
static final int offset = 30;
pub