system

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class systems extends JFrame implements ActionListener
{
	static systems ss;
	JPanel panel = new JPanel();
	JLabel label1 = new JLabel("Name：");
	JTextField name = new JTextField();
	JLabel label2 = new JLabel("password：");
	JPasswordField pwd = new JPasswordField();
	JButton Enter = new JButton("Enter");
	JButton Exit = new JButton("Exit");
	
	ButtonGroup bgp = new ButtonGroup();
	JRadioButton stu = new JRadioButton("Inquire");
	JRadioButton tch = new JRadioButton("Change");

	public systems()
	{
		super("Log");
		this.setResizable(false);
	    
		stu.setBounds(165,210,70,20);
		tch.setBounds(265,210,70,20);
		bgp.add(stu);
		bgp.add(tch);
		panel.add(stu);
		panel.add(tch);
		Enter.setBounds(150,250,80,20);
		Exit.setBounds(270,250,80,20);
		Enter.addActionListener(this);
		Exit.addActionListener(this);
		panel.add(Enter);
		panel.add(Exit);
        panel.setLayout(null);
		this.add(panel);
		label1.setBounds(135,130,100,25);
		panel.add(label1);		
        name.setBounds(265,130,100,25);
		panel.add(name);
		label2.setBounds(135,165,100,25);
		panel.add(label2);
        pwd.setBounds(265,165,100,25);
		panel.add(pwd);
		this.setBounds(100,100,500,350);
		this.setVisible(true);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	public void actionPerformed(ActionEvent e)
	{	if(e.getSource()==Enter)
	{
		if(stu.isSelected())
		{
			
		    
		   
		}
		else if(tch.isSelected())
		{
			
		}
		
	}
	else
	{
		System.exit(0);
	}
	}

	public static void main(String[] args)
	{
		systems sys = new systems();
	}
}