JTextArea: getDocument() : JTextArea « javax.swing « Java by API

1. Java by API
2. javax.swing
3. JTextArea

JTextArea: getDocument()

 
import java.awt.Container;

import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.text.Document;

public class MainClass {
  public static void main(String args[]) {
    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);
  }
}

           
         
  

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