Always display scrollbar

 


import java.awt.BorderLayout;
import java.awt.Container;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import javax.swing.WindowConstants;

public class Main extends JFrame {
  JTextArea textArea;

  public Main() {
    super();
    this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    Container contentPane = this.getContentPane();
    textArea = new JTextArea();
    JScrollPane pane = new JScrollPane(textArea, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
        ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    contentPane.add(pane, BorderLayout.CENTER);
  }

  public static void main(String[] args) {
    JFrame f = new Main();
    f.setSize(300, 200);
    f.setVisible(true);
  }
}

1.	Accessible Scroll Demo
2.	A quick demonstration of JScrollBar both vertical and horizontal
3.	JScrollPane: Button Corner Sample
4.	JScrollPane Corner
5.	Expandable SplitPane
6.	ScrollBar Pieces
7.	Listening for Scrollbar Value Changes in a JScrollPane Container
8.	Get the default scrollbar policy
9.	Make the scrollbars always appear
10.	Make the scrollbars never appear
11.	JScrollBar and Adjustment event
12.	JScrollPane to hold scrollable component
13.	Use Adjustment Events in Swing
14.	How to use scrollbar and react to its action

Always display scrollbar : ScrollBar « Swing JFC « Java

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