import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.UIManager; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JScrollPane; import javax.swing.JTextArea; import java.awt.Font; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; public class ThreadTest extends JFrame { /** * */ private static final long serialVersionUID = -7584852068430067696L; private JPanel contentPane; private JTextArea textArea1; private JTextArea textArea2; /** * Launch the application. */ public static void main(String[] args) { try { UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel"); } catch (Throwable e) { e.printStackTrace(); } EventQueue.invokeLater(new Runnable() { public void run() { try { ThreadTest frame = new ThreadTest(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public ThreadTest() { setTitle("\u65B0\u5EFA\u6CA1\u6709\u8FD4\u56DE\u503C\u7684\u7EBF\u7A0B"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 450, 300); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); JPanel buttonPanel = new JPanel(); contentPane.add(buttonPanel, BorderLayout.NORTH); buttonPanel.setLayout(new GridLayout(1, 2, 5, 5)); JButton button1 = new JButton("\u5355\u7EBF\u7A0B\u7A0B\u5E8F"); button1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { do_button1_actionPerformed(e); } }); button1.setFont(new Font("微软雅黑", Font.PLAIN, 16)); buttonPanel.add(button1); JButton button2 = new JButton("\u591A\u7EBF\u7A0B\u7A0B\u5E8F"); button2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { do_button2_actionPerformed(e); } }); button2.setFont(new Font("微软雅黑", Font.PLAIN, 16)); buttonPanel.add(button2); JPanel contentPanel = new JPanel(); contentPane.add(contentPanel, BorderLayout.CENTER); contentPanel.setLayout(new GridLayout(1, 2, 5, 5)); JScrollPane scrollPane1 = new JScrollPane(); contentPanel.add(scrollPane1); textArea1 = new JTextArea(); textArea1.setFont(new Font("微软雅黑", Font.PLAIN, 16)); scrollPane1.setViewportView(textArea1); JScrollPane scrollPane2 = new JScrollPane(); contentPanel.add(scrollPane2); textArea2 = new JTextArea(); textArea2.setFont(new Font("微软雅黑", Font.PLAIN, 16)); scrollPane2.setViewportView(textArea2); } protected void do_button1_actionPerformed(ActionEvent e) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < 5; i++) { sb.append("《Java编程词典》\n"); } for (int i = 0; i < 5; i++) { sb.append("《视频学Java》\n"); } textArea1.setText(sb.toString()); } protected void do_button2_actionPerformed(ActionEvent e) { final StringBuilder sb = new StringBuilder(); for (int i = 0; i < 5; i++) { new Thread() { public void run() { sb.append("《Java编程词典》\n"); textArea2.setText(sb.toString()); }; }.start(); } for (int i = 0; i < 5; i++) { new Thread() { public void run() { sb.append("《视频学Java》\n"); textArea2.setText(sb.toString()); }; }.start(); } } }
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