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How to display the vertical and horizontal scrollbars always even if it is not required
Use the following constants for the JScrollBar to display the vertical and horizontal scrollbars always even if it is not required −
scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
The following is an example to display the vertical and horizontal scrollbars always even if it is not required −
Example
package my;
import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
public class SwingDemo {
public static void main(String args[]) {
JFrame frame = new JFrame("Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton button1 = new JButton("Questions and Answers");
JButton button2 = new JButton("Videos");
JButton button3 = new JButton("Tools");
JButton button4 = new JButton("Tutorials");
JButton button5 = new JButton("Online Compiler");
JButton button6 = new JButton("Quiz");
Box box = Box.createVerticalBox();
box.setPreferredSize(new Dimension(900,900));
box.add(button1);
box.add(button2);
box.add(button3);
box.add(button4);
box.add(button5);
box.add(button6);
JScrollPane scrollPane = new JScrollPane();
scrollPane.setViewportView(box);
scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(550, 250);
frame.setVisible(true);
}
}Output
Updated on: 30-Jul-2019
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