package gui; import javax.swing.*; import javax.swing.border.TitledBorder; import java.awt.*; public class Widgets extends JFrame { String fruit[] = {"Orange", "Apple", "Banana", "Grape"}; public Widgets() { createComponents(); Container contentPane = getContentPane(); contentPane.setLayout( new GridLayout (3, 4, 5, 5)); contentPane.add (jButton); contentPane.add (jCheckBox); contentPane.add (jRadioButton); contentPane.add (jToggleButton); contentPane.add (jComboBox); contentPane.add (jList); contentPane.add (jSlider); contentPane.add (jProgressBar); contentPane.add (jLabel); contentPane.add (jTextField); contentPane.add (jPasswordField); contentPane.add (jTextArea); setTitle ("GUIコンポーネント"); setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE); pack(); setVisible(true); } void createComponents() { jButton = new JButton ("ボタン"); jButton.setBorder( new TitledBorder("JButton")); jCheckBox = new JCheckBox ("チェックボックス", true); jCheckBox.setBorder( new TitledBorder("JCheckBox")); jCheckBox.setBorderPainted(true); jRadioButton = new JRadioButton ("ラジオボタン", true); jRadioButton.setBorder( new TitledBorder("JRadioButton")); jRadioButton.setBorderPainted(true); jToggleButton = new JToggleButton ("トグルボタン"); jToggleButton.setBorder( new TitledBorder("JToggleButton")); jComboBox = new JComboBox (fruit); jComboBox.setBorder( new TitledBorder("JComboBox")); jList = new JList (fruit); jList.setBorder( new TitledBorder("JList")); jSlider = new JSlider (0, 50, 30); jSlider.setMajorTickSpacing(10); jSlider.setPaintTicks(true); jSlider.setPaintLabels(true); jSlider.setBorder( new TitledBorder("JSlider")); jProgressBar = new JProgressBar (0, 100); jProgressBar.setValue(60); jProgressBar.setBorder( new TitledBorder("JProgressBar")); jLabel = new JLabel ("ラベル"); jLabel.setBorder( new TitledBorder("JLabel")); jTextField = new JTextField("テキストフィールド"); jTextField.setBorder( new TitledBorder("JTextField")); jPasswordField = new JPasswordField("パスワードフィールド"); jPasswordField.setBorder( new TitledBorder("JPasswordField")); jTextArea = new JTextArea ( "テキストエリア...\nテキストエリア...\n"); jTextArea.setBorder( new TitledBorder("JTextArea")); } public static void main (String[] args) { new Widgets(); } JButton jButton; JCheckBox jCheckBox; JRadioButton jRadioButton; JToggleButton jToggleButton; JComboBox jComboBox; JList jList; JSlider jSlider; JProgressBar jProgressBar; JLabel jLabel; JTextField jTextField; JPasswordField jPasswordField; JTextArea jTextArea; }