MouseEvent.java:
package gui;
// MouseEvent
// The New Boston: Java Programming Tutorial - 70+71
// Imports
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MouseEvent extends JFrame {
private JPanel mousePanel;
private JLabel statusBar;
public MouseEvent() {
super("The Title");
mousePanel = new JPanel();
mousePanel.setBackground(Color.WHITE);
add(mousePanel, BorderLayout.CENTER);
statusBar = new JLabel("Default");
add(statusBar, BorderLayout.SOUTH);
Handler myHandler = new Handler();
mousePanel.addMouseListener(myHandler);
mousePanel.addMouseMotionListener(myHandler);
}
private class Handler implements MouseListener, MouseMotionListener {
// MouseListener events
public void mouseClicked(MouseEvent event) {
statusBar.setText(String.format("Clicked at %d, %d", event.getX(), event.getY()));
}
public void mousePressed(MouseEvent event) {
statusBar.setText("You pressed down the mouse");
}
public void mouseReleased(MouseEvent event) {
statusBar.setText("You released the mouse");
}
public void mouseEntered(MouseEvent event) {
statusBar.setText("You entered the area");
mousePanel.setBackground(Color.RED);
}
public void mouseExited(MouseEvent event) {
statusBar.setText("You exited the area");
mousePanel.setBackground(Color.WHITE);
}
// MouseMotion events
public void mouseDragged(MouseEvent event) {
statusBar.setText("You're dragging!");
}
public void mouseMoved(MouseEvent event) {
statusBar.setText("You're moving");
}
}
}
Main.java:
package gui;
/**
* @author markus
*
*/
import javax.swing.JFrame;
public class Main {
public static void main(String[] args) {
MouseEvent gui = new MouseEvent();
gui.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
gui.setSize(400, 180);
gui.setVisible(true);
}
}
Here is compilators output:
init:
deps-clean:
Updating property file: /home/markus/IT/Java/workspace/GUI/build/built-clean.properties
Deleting directory /home/markus/IT/Java/workspace/GUI/build
clean:
init:
deps-jar:
Created dir: /home/markus/IT/Java/workspace/GUI/build
Updating property file: /home/markus/IT/Java/workspace/GUI/build/built-jar.properties
Created dir: /home/markus/IT/Java/workspace/GUI/build/classes
Created dir: /home/markus/IT/Java/workspace/GUI/build/empty
Compiling 10 source files to /home/markus/IT/Java/workspace/GUI/build/classes
/home/markus/IT/Java/workspace/GUI/src/gui/MouseEvent.java:31: gui.MouseEvent.Handler is not abstract and does not override abstract method mouseExited(java.awt.event.MouseEvent) in java.awt.event.MouseListener
private class Handler implements MouseListener, MouseMotionListener {
1 error
/home/markus/IT/Java/workspace/GUI/nbproject/build-impl.xml:413: The following error occurred while executing this line:
/home/markus/IT/Java/workspace/GUI/nbproject/build-impl.xml:199: Compile failed; see the compiler error output for details.
BUILD FAILED (total time: 0 seconds)
The part which i see relevant is the "gui.MouseEvent.Handler is not abstract and does not override abstract method mouseExited(java.awt.event.MouseEvent) in java.awt.event.MouseListener". I havent had this error before, working with very simular code.
Thanks for any help :)


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