/* 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.Font; class SSample4_1 extends JFrame{ public static void main(String args[]){ SSample4_1 frame = new SSample4_1("タイトル"); frame.setVisible(true); } SSample4_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.setFont(new Font("Arial", Font.BOLD, 32)); JCheckBox ckbox3 = new JCheckBox("Orange"); ckbox3.setFont(new Font("Century", Font.PLAIN, 48)); p.add(ckbox1); p.add(ckbox2); p.add(ckbox3); Container contentPane = getContentPane(); contentPane.add(p, BorderLayout.CENTER); } }