JPasswordField

import java.awt.*;
import javax.swing.*;
public class Wordfield
{
public static void main(String args[])
{
JFrame f=new JFrame("JPasswordField sample");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Box rowOne=Box.createHorizontalBox();
rowOne.add(new JLabel("UserName"));
rowOne.add(new JTextField());
Box rowTwo=Box.createHorizontalBox();
rowTwo.add(new JLabel("Password"));
rowTwo.add(new JPasswordField();
f.add(rowOne,BorderLayout.NORTH);
f.add(rowTwo,BorderLayout.SOUTH);
f.setSize(300,200);
f.setVisible(true);
}
}