Question

Using the template below create a GUI with a push button event. Use a JTextArea to display which button was selected.

/*******************
Name:

Date:

Notes:    
*******************/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class Actions extends JFrame implements ActionListener
{
Create the components (textarea and buttons)

   public Actions()
   {
     create the window (include a close operation)
    
  
     create the container (include FlowLayout)
    
     add the event listeners (button.addActionListener)
    
     add the components
     }
    
     public void actionPerformed(ActionEvent event)
     {
      add the event handler( if statements and event.getSource should be used here)
      }
     
      public static void main (String[] args)
      { Actions eg = new Actions(); }
      }

Answer 1

/*******************

Name:

Date:

Notes:   

*******************/

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

class Actions extends JFrame implements ActionListener

{

    JTextArea ta;

    JButton b1, b2 , b3;

    public Actions()

    {

        // set the title

        setTitle("Welcome to sbi atm service");

       

        // remove the default layout

        setLayout(null);

       

        // create a panel

        JPanel p = new JPanel();

       

        // set the background color

        p.setBackground(Color.darkGray);

       

        // set the size of panel

        p.setSize(500,500);

       

        // create an object of type FlowLayout

        FlowLayout fl = new FlowLayout();

       

        // set the dimensions

        fl.setHgap(100);             

        fl.setVgap(100);

        // add the layout to panel

        p.setLayout(fl);

        // create buttons

        b1 = new JButton("Button 1");

        b2 = new JButton("Button 2");

        b3 = new JButton("Button 3");

       

        p.add(b1);

        p.add(b2);

        p.add(b3);

       

        ta = new JTextArea(5 , 20);

       

        p.add(ta);

       

        add(p);

   

        // set the ActionListener event

        b1.addActionListener(this);

        b2.addActionListener(this);

        b3.addActionListener(this);

       

        setDefaultCloseOperation(EXIT_ON_CLOSE);

        setVisible(true);

        setSize(1750,1350);

     }

   

    public void actionPerformed(ActionEvent ae)

    {

        String str = ae.getActionCommand();

       

        ta.setText(str + " is clicked");

    }

    public static void main (String[] args)

    {

        Actions eg = new Actions();

    }

}

Sample Output