숙제

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class Main extends JFrame{

JLabel LL = new JLabel("color");

public Main() {

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container c=getContentPane();

c.setLayout(new BorderLayout());

JPanel a=new JPanel();

a.setLayout(new FlowLayout());

JButton b1 = new JButton("yellow");

JButton b2 = new JButton("green");

JButton b3 = new JButton("red");

a.add(b1);

a.add(b2);

a.add(b3);

b1.addActionListener(new MyActionListener());

b2.addActionListener(new MyActionListener());

b3.addActionListener(new MyActionListener());

c.add(a, BorderLayout.NORTH);

JPanel b = new JPanel();

b.setLayout(null);

b.add(LL);

LL.setLocation(100, 100);

LL.setSize(50, 50);

c.add(b, BorderLayout.CENTER);

JButton b4=new JButton("오른쪽");

JButton b5=new JButton("왼쪽");

JButton b6=new JButton("위");

JButton b7=new JButton("아래");

a.add(b4);

a.add(b5);

a.add(b6);

a.add(b7);

b4.addActionListener(new MyActionListener());

b5.addActionListener(new MyActionListener());

b6.addActionListener(new MyActionListener());

b7.addActionListener(new MyActionListener());

setSize(400, 400);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

class MyActionListener implements ActionListener{

@Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

JButton b=(JButton)e.getSource();

int x = LL.getX();

int y = LL.getY();

if(b.getText().equals("yellow"))

LL.setForeground(Color.yellow);

else if (b.getText().equals("green"))

LL.setForeground(Color.green);

else if(b.getText().equals("red"))

LL.setForeground(Color.red);

else if(b.getText().equals("오른쪽"))

LL.setLocation(x+10, 100);

else if(b.getText().equals("왼쪽"))

LL.setLocation(x-10, 100);

else if(b.getText().equals("위"))

LL.setLocation(y+10, 100);

else if(b.getText().equals("아애"))

LL.setLocation(y, 100);

}

}

}