ex17

package exercise;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;

import static net.mindview.util.SwingConsole.*;

public class ex17 extends JFrame{

    String password="123456";
    JPasswordField passwordTxt=new JPasswordField(20);
    JButton bn=new JButton("check the password");

    public ex17(){
        bn.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                String val=passwordTxt.getText();

                if(val.equals(password))
                    JOptionPane.showMessageDialog(null, "yes");
                else 
                    JOptionPane.showMessageDialog(null, "no");
            }
        });
        setLayout(new FlowLayout());
        add(passwordTxt);
        add(bn);
    }

    public static void main(String[]args){
        run(new ex17(),200,200);
    }
}