sharemodel.java

The Definitive Guide to Java Swing, Third Edition by John Zukowski (Author) 源码

import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;

public class ShareModel {
  public static void main (String args[]) {
    Runnable runner = new Runnable() {
      public void run() {
        JFrame frame = new JFrame("Sharing Sample");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container content = frame.getContentPane();
        JTextArea textarea1 = new JTextArea();
        Document document = textarea1.getDocument();
        JTextArea textarea2 = new JTextArea(document);
        JTextArea textarea3 = new JTextArea(document);
        content.setLayout(new BoxLayout(content, BoxLayout.Y_AXIS));
        content.add(new JScrollPane(textarea1));
        content.add(new JScrollPane(textarea2));
        content.add(new JScrollPane(textarea3));
        frame.setSize (300, 400);
        frame.setVisible (true);
      }
    };
    EventQueue.invokeLater(runner);
  }
}