Java Swing | Menu Bar Example

To create menus, we need to follow the following steps:
- First, A JMenubar is created
- Then, we attach all of the menus to this JMenubar.
- Then we add JMenuItem to the JMenu.
- The JMenubar is then added to the frame by using setJMenuBar() method.


JMenuBar
We can create menu bar by using following constructor:
       JMenuBar()

JMenu
It can be created by using following constructors:
      JMenu()
      JMenu(String)

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import javax.swing.*; 

class Menu extends JFrame{ 
 JMenuBar mb; 
 JMenu file, edit, data, name; 
 JMenuItem open, save, sas, cut, copy, paste; 
 JCheckBoxMenuItem  raju, indra;
 
 Menu(){ 
  setTitle("Menu Demo"); 
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 

  mb=new JMenuBar(); 
  file=new JMenu("File"); 
  edit=new JMenu("Edit"); 
  data=new JMenu("Data"); 
  name=new JMenu("Name"); 

  open=new JMenuItem("Open"); 
  save=new JMenuItem("Save"); 
  sas=new JMenuItem("Save As"); 
  cut=new JMenuItem("Cut"); 
  copy=new JMenuItem("Copy"); 
  paste=new JMenuItem("Paste");

  raju=new JCheckBoxMenuItem("Raju"); 
  indra=new JCheckBoxMenuItem("Indra"); 

  file.add(open);  
  file.add(save); 
  file.add(sas); 

  edit.add(cut); 
  edit.add(copy); 
  edit.add(paste); 

  data.add(name); 

  name.add(raju); 
  name.add(indra); 

  mb.add(file); 
  mb.add(edit); 
  mb.add(data); 

  setJMenuBar(mb); 
  setSize(500, 500); 
  setVisible(true); 
 }

 public static void main(String args[]){
  new Menu(); 
 }
}