Friday, 7 September 2018

Java Swing Menu Bar | Menu Bar in Java Swing Example | Java Swing JMenuBar, JMenu, JMenuItem

                      In this post, we will see Java Swing Menu Bar | Menu Bar in Java Swing Example | Java Swing JMenuBar, JMenu, JMenuItem.

Watch following video:


                       Go through the following program.








Program (SwingMenu.java)
 import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class SwingMenu
{
public static void main(String args[])
  {
   Abc obj=new Abc();
  }
}

class Abc extends JFrame implements ActionListener
{
  JMenuBar mb=new JMenuBar();
  JMenu m1=new JMenu("File");
  JMenu m2=new JMenu("Edit");
  JMenu m3=new JMenu("Help");
  JMenuItem mi1=new JMenuItem("Cut");
  JMenuItem mi2=new JMenuItem("Copy");
  JMenuItem mi3=new JMenuItem("Paste");
  JMenuItem mi4=new JMenuItem("Select All");
  JTextArea ta=new JTextArea(20,20);

  public Abc()
  {
    setVisible(true);
    setSize(250,400);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setLayout(new FlowLayout());

    add(mb);
    mb.add(m1);
    mb.add(m2);
    mb.add(m3);
    m2.add(mi1);
    m2.add(mi1);
    m2.add(mi2);
    m2.add(mi3);
    m2.add(mi4);

    add(ta);

    mi1.addActionListener(this);
    mi2.addActionListener(this);
    mi3.addActionListener(this);
    mi4.addActionListener(this);
  }

  public void actionPerformed(ActionEvent e)
   {
     if(e.getSource()==mi1)
      {
        ta.cut();
      }
     if(e.getSource()==mi2)
      {
        ta.copy();
      }
     if(e.getSource()==mi3)
      {
        ta.paste();
      }
     if(e.getSource()==mi4)
      {
        ta.selectAll();
      }
   }
}


  

How To Run: 

parag@parag-Inspiron-N4010:~/Desktop/swing$ javac SwingMenu.java

parag@parag-Inspiron-N4010:~/Desktop/swing$ java SwingMenu


Output: 

After Edit -> Select All -> Copy -> Paste

  

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