import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Main extends JFrame {
private JLabel la=new JLabel("Love Java");
public Main() {
setTitle("");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container c=getContentPane();
c.setLayout(new FlowLayout());
c.add(la);
la.addMouseListener(new MyMouseListener());
setSize(251,251);
setVisible(true);
}
class MyMouseListener extends MouseAdapter{
public void mouseEntered(MouseEvent e) {
la.setText("사랑해");
}
public void mouseExited(MouseEvent e) {
la.setText("Love Java");
}
}
public static void main(String[] args) {
new Main();
}
}
*/
/*
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Main extends JFrame {
Container c=getContentPane();
public Main() {
setTitle("");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
c.addMouseMotionListener(new MyMouseListener());
c.addMouseListener(new MyMouseListener());
c.setBackground(Color.green);
setSize(250,250);
setVisible(true);
}
class MyMouseListener extends MouseAdapter implements MouseMotionListener {
public void mouseDragged(MouseEvent e) {
c.setBackground(Color.yellow);
}
public void mouseMoved(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
c.setBackground(Color.green);
}
}
public static void main(String[] args) {
new Main();
}
}
*/
/*
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Main extends JFrame {
private JLabel la = new JLabel("C");
Container c = getContentPane();
public Main() {
setTitle("");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
c.add(la);
la.addMouseListener(new MyMouseListener());
setSize(250, 250);
setVisible(true);
}
class MyMouseListener extends MouseAdapter {
public void mouseClicked(MouseEvent e) {
int x =(int)(Math.random()*250);
int y =(int)(Math.random()*250);
la.setLocation(x, y);
}
}
public static void main(String[] args) {
new Main();
}
}
*/