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How to display row count in Java Swing JList
Use JList getVisibleRowCount() method to display the row count in a JList:
String sports[]= {"Tennis", "Archery","Football","Fencing","Cricket","Squash","Hockey","Rugby"};
Jlist list = new JList(sports);
int rowCount = list.getVisibleRowCount();
System.out.println("Row Count = "+rowCount);The following is an example to display row count in JList:
Example
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
class SwingDemo extends JFrame {
static JFrame frame;
static JList list;
public static void main(String[] args) {
frame = new JFrame("JList Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String sports[]= {"Tennis", Archery","Football","Fencing","Cricket","Squash","Hockey","Rugby"};
list = new JList(sports);
int rowCount = list.getVisibleRowCount();
System.out.println("Row Count = "+rowCount);
JScrollPane scrollPane = new JScrollPane(list);
scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
frame.add(scrollPane);
frame.getRootPane().setWindowDecorationStyle(JRootPane.PLAIN_DIALOG);
frame.setSize(400,100);
frame.setVisible(true);
}
}Output
The output in the console will display the total row count:
Row Count = 8
Updated on: 30-Jul-2019
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