MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;

public class MainClass {
    public static void main(String args[]) throws Exception {
        JFrame frame = new JFrame("Caret Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JTextArea textArea = new JTextArea();
        JScrollPane scrollPane = new JScrollPane(textArea);
        frame.add(scrollPane, BorderLayout.CENTER);

        CaretListener listener = new CaretListener() {
            public void caretUpdate(CaretEvent caretEvent) {
                System.out.println("dot:" + caretEvent.getDot());
                System.out.println("mark" + caretEvent.getMark());
            }
        };

        textArea.addCaretListener(listener);

        frame.setSize(250, 150);
        frame.setVisible(true);
    }
}