import java.awt.GridLayout;

import javax.swing.*;

public class MVCExample3 extends AbstractListModel {
  
  public MVCExample3(Object[] args) {
    this.args=args;
  }
  
  public int getSize() {
    return args.length;
  }

  public Object getElementAt(int index) {
    return args[index];
  }
 
  private final Object[] args;
  
  public static void main(String[] args) {
    MVCExample3 model=new MVCExample3(args);
    
    JPanel panel=new JPanel(new GridLayout(1,2));
    
    panel.add(new JList(model));
    panel.add(new JList(new ReducedListAdapter(model, 3)));  
    
    JFrame frame=new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(panel);
    frame.setSize(400,300);
    frame.show();
  }
}