/* Swingサンプル */

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import java.awt.Container;
import java.awt.BorderLayout;
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();

    JButton button1 = new JButton("ボタン");
    JButton button2 = new JButton("ボタン");
    button2.setPreferredSize(new Dimension(200, 100));
    JButton button3 = new JButton("ボタン");
    button3.setPreferredSize(new Dimension(60, 20));
    JButton button4 = new JButton("ボタン");
    button4.setPreferredSize(new Dimension(40, 20));
    JButton button5 = new JButton("ボタン");
    button5.setMargin(new Insets(20, 2, 20, 2));

    p.add(button1);
    p.add(button2);
    p.add(button3);
    p.add(button4);
    p.add(button5);

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