Java Swing How to - Make the JTextArea or JEditorPane in a JFrame scrollable

Question

We would like to know how to make the JTextArea or JEditorPane in a JFrame scrollable.

Answer

import java.awt.GridLayout;
//from www . j  ava 2 s  . c  o m
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

public class Main {
  public static void main(String... args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel contentPane = new JPanel();
    contentPane.setLayout(new GridLayout(1, 2, 2, 2));

    JTextArea tArea1 = new JTextArea();
    tArea1.setLineWrap(true);
    JTextArea tArea2 = new JTextArea();
    tArea2.setLineWrap(true);
    tArea1.setText("I got a long long line of text in my JTextArea");
    tArea2.setText("I got a long long line of text in my JTextArea");

    JScrollPane scroller1 = new JScrollPane();
    JScrollPane scroller2 = new JScrollPane();
    scroller1.setViewportView(tArea1);
    scroller2.setViewportView(tArea2);

    contentPane.add(scroller1);
    contentPane.add(scroller2);

    frame.setContentPane(contentPane);
    frame.setSize(100, 100);
    frame.setLocationByPlatform(true);
    frame.setVisible(true);

  }
}