JAVA - How To Set And Reset The Password Char Of A JPasswordField In Java Using JCheckBox

How To Set And Reset The Password Char Of A JPasswordField In Java

                                                                                            


 Source Code:


package JavaDB_001;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.*;


public class Project extends JFrame{ 
    JCheckBox cb;
    public Project(){
    super("See And Hide JPasswordField Text");
    
    JPasswordField tf = new JPasswordField(60);
    tf.setEchoChar('*');
    tf.setBounds(80,20,250,20);
    
    cb = new JCheckBox("See Password");
    cb.setBounds(100,60,150,20);
    
    cb.addActionListener(new ActionListener(){
  
        public void actionPerformed(ActionEvent e) {              
          if(cb.isSelected()){
              //when JCheckBox is checked you can see the password
              tf.setEchoChar((char)0);
              //change the JCheckBox text
              cb.setText("Hide Password");
          }
          else{
              //when JCheckBox is unchecked you can't see the password
              tf.setEchoChar('*');
              //change the JCheckBox text
              cb.setText("See Password");
          }
        }
    });
    
   
    
    add(cb);
    add(tf);
    setLayout(null);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setLocationRelativeTo(null);
    setSize(400,200);
    setVisible(true);
    }
    public static void main(String[] args){
        new Project();
    }
   }
////////////////////////////OUTPUT:

when JCheckBox is unchecked you can't see the password
Hide The Password In Java

when JCheckBox is checked you can see the password
See The Password In Java



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