Creando un menú en Java
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Menu implements ActionListener
{
static JLabel text;
//Driver function
public static void main(String args[])
{
//Create a frame
JFrame frame = new JFrame("Menu");
frame.setSize(500,500);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new FlowLayout());
//Create an object
Menu obj = new Menu();
//Create a Menu
JMenu menu = new JMenu("Select Here");
//Create Menu Items
JMenuItem item[] = new JMenuItem[5];
for(int i=0;i<5;i++)
{
item[i]=new JMenuItem("Item "+(i+1));
item[i].addActionListener(obj);
menu.add(item[i]);
}
//Create a menu bar
JMenuBar mb=new JMenuBar();
mb.add(menu);
frame.setJMenuBar(mb);
//Create the label
text = new JLabel();
frame.add(text);
//Display the frame
frame.setVisible(true);
}
//Function to display the menu item selected
public void actionPerformed(ActionEvent e)
{
text.setText("Menu Item Selected : "+e.getActionCommand());
}
}
Steven2003