/* Swingサンプル */

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JCheckBox;
import java.awt.Container;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Insets;

class SSample5_1 extends JFrame{
  public static void main(String args[]){
    SSample5_1 frame = new SSample5_1("タイトル");
    frame.setVisible(true);
  }

  SSample5_1(String title){
    setTitle(title);
    setBounds(100, 100, 300, 250);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel p = new JPanel();

    JCheckBox ckbox1 = new JCheckBox("Peach");
    JCheckBox ckbox2 = new JCheckBox("Apple");
    ckbox2.setBackground(Color.WHITE);
    ckbox2.setPreferredSize(new Dimension(50, 50));
    JCheckBox ckbox3 = new JCheckBox("Orange");
    ckbox3.setPreferredSize(new Dimension(200, 100));
    ckbox3.setBackground(Color.PINK);
    JCheckBox ckbox4 = new JCheckBox("Melon");
    ckbox4.setMargin(new Insets(10, 20, 10, 20));
    ckbox4.setBackground(Color.YELLOW);

    p.add(ckbox1);
    p.add(ckbox2);
    p.add(ckbox3);
    p.add(ckbox4);

    Container contentPane = getContentPane();
    contentPane.add(p, BorderLayout.CENTER);
  }
}