AWT list

//Import statements

import java.awt.*;

import java.awt.event.*;

//Class definition

class Lists extends Frame implements ActionListener

{

    List la1,la2;

    Button bu1, bu2, bu3, bu4;

    public Lists(String title)

    {

        super(title);

    

        setLayout(new FlowLayout());

        la1=new List(5);

        la2=new List(5);

        bu1=new Button("Add");

        bu2=new Button("Add All");

        bu3=new Button("Remove");

        bu4=new Button("Remove All");

        bu1.addActionListener(this);

        bu2.addActionListener(this);

        bu3.addActionListener(this);

        bu4.addActionListener(this);

        add(la1);

        add(la2);

        add(bu1);

        add(bu2);

        add(bu3);

        add(bu4);

        la1.addItem("Apple");

        la1.addItem("Orange");

        la1.addItem("Grapes");

        la1.addItem("Pine Apple");

        la1.addItem("Banana");

        validate();

    }

    public void actionPerformed(ActionEvent e)

{       if(e.getSource()==bu1){  la2.addItem(la1.getSelectedItem());

la1.delItem(la1.getSelectedIndex());

        }

        else if(e.getSource()==bu3)

        {

         la1.addItem(la2.getSelectedItem());

        la2.delItem(la2.getSelectedIndex());

    

        }

        else if(e.getSource()==b2)

        {

            for(int i=0;i<l1.getItemCount();i++)

               {        la1.select(i);

            la2.addItem(la1.getSelectedItem());

}           la1.clear();

}

        else if(e.getSource()==b4)

        {

            for(int i=0;i<l2.getItemCount();i++)

            {

                la2.select(i);

                       la1.addItem(la2.getSelectedItem());

            }

            la2.clear();

        }

    

    }

    public static void main(String args[])

    {

        Lists s=new Lists("List Manipulation");

        s.setSize(300,200);

        s.setVisible(true);

    }

}