20231225숙제

import java.awt.*;

import javax.swing.*;

class ContenPaneEx extends JFrame

{

public ContenPaneEx(){

setTitle("ContentPane과 JFrame");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container contentPane =getContentPane();

contentPane.setBackground(Color.ORANGE);

contentPane.setLayout(new FlowLayout());

contentPane.add(new JButton("OK"));

contentPane.add(new JButton("Cancel"));

contentPane.add(new JButton("Ignore"));

setSize(300,150);

setVisible(true);

}

}

class Main{

public static void main(String[] args) {

new ContentPaneEx();

}

}