Create login form which contains a userid, password field, and two buttons, Submit and Reset. If the userid or password field is left blank, then on click of submit button, show a message to the user to fill in the fields. On click of reset button, clear the fields.

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Login extends JFrame implements ActionListener
{
	 JButton SUBMIT,RESET;
	 JPanel panel;
	 JLabel label1,label2;
	 final JTextField  text1,text2;
	 Login()
	 {
		  label1 = new JLabel();
		  label1.setText("Username:");
		  text1 = new JTextField(15);
		  label2 = new JLabel();
		  label2.setText("Password:");
		  text2 = new JPasswordField(15); 
		  SUBMIT=new JButton("SUBMIT");
		  RESET=new JButton("RESET");
		  panel=new JPanel(new GridLayout(3,1));
		  panel.add(label1);
		  panel.add(text1);
		  panel.add(label2);
		  panel.add(text2);
		  panel.add(SUBMIT);
		  panel.add(RESET);
		  add(panel,BorderLayout.CENTER);
		  SUBMIT.addActionListener(this);
		  RESET.addActionListener(this);
		  setTitle("LOGIN FORM by KAUSHAL");
	 }
	 public void actionPerformed(ActionEvent ae)
	 {
		 JButton b = (JButton) ae.getSource();   
		 if (b == SUBMIT)   
		 {          
			 String value1=text1.getText();
	         String value2=text2.getText();
	         if (value1.equals("") || value2.equals("")) 	          	   
	         {
	        	 JOptionPane.showMessageDialog(this,"username and password must not blank",
          "Error",JOptionPane.ERROR_MESSAGE);}
	         else
	         {
	        	 JOptionPane.showMessageDialog(this,"welcome"+" "+value1);
             }      
        }  
        else   
        {         
            text1.setText("");
			text2.setText("");
        }
	 }
}
class pract3
{
  public static void main(String arg[])
  {  
	  try  
	  {
		  Login frame=new Login();
		  frame.setSize(300,100);
		  frame.setVisible(true);
	  }
	  catch(Exception e)
	  {		  
		  JOptionPane.showMessageDialog(null, e.getMessage());}
      }
}