/* Swingサンプル */ import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextArea; import java.awt.Container; import java.awt.BorderLayout; import java.awt.Font; 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(); JTextArea area1 = new JTextArea("Tokyo City", 3, 15); JTextArea area2 = new JTextArea("Tokyo City", 3, 15); area2.setFont(new Font("MS ゴシック", Font.BOLD, 16)); JTextArea area3 = new JTextArea("Tokyo City", 3, 15); area3.setFont(new Font("Arial", Font.PLAIN, 20)); p.add(area1); p.add(area2); p.add(area3); Container contentPane = getContentPane(); contentPane.add(p, BorderLayout.CENTER); } }