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How to add ScrollBar to JList in Java?
Let us first set a JList and add items −
List<String> myList = new ArrayList<>(10);
for (int index = 0; index < 20; index++) {
myList.add("List Item " + index);
}Now, we will set the above list to a new list −
final JList<String> list = new JList<String>(myList.toArray(new String[myList.size()]));
Now, set the ScrollBar to JList −
JScrollPane scrollPane = new JScrollPane(); scrollPane.setViewportView(list); list.setLayoutOrientation(JList.VERTICAL);
The following is an example to add ScrollBar to JList −
Example
package my;
import java.awt.BorderLayout;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
public class SwingDemo {
public static void main(String[] args) {
JPanel panel = new JPanel(new BorderLayout());
List<String> myList = new ArrayList<>(10);
for (int index = 0; index < 20; index++) {
myList.add("List Item " + index);
}
final JList<String> list = new JList<String>(myList.toArray(new String[myList.size()]));
JScrollPane scrollPane = new JScrollPane();
scrollPane.setViewportView(list);
list.setLayoutOrientation(JList.VERTICAL);
panel.add(scrollPane);
JFrame frame = new JFrame("Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(panel);
frame.setSize(500, 250);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}This will produce the following output −
Updated on: 30-Jul-2019
3K+ Views
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