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Java Fundamentals
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5. MouseEvent, click coordinates
Essence
public class MouseCoords extends java.applet.Applet implements java.awt.event.MouseListener { /* Copyright (c) 2000-2006 SEMM All rights reserved. Author : Paul Hamaker. Part of http://javalessons.com This code is for educational purposes only.*/ String strpaint = "No click as yet" ; public MouseCoords () { addMouseListener ( this ) ; setBackground ( java.awt.Color.orange ) ; } public void paint ( java.awt.Graphics gr ) { gr.drawString ( strpaint , 10 , 20 ); } public void mouseClicked ( java.awt.event.MouseEvent ev ) { int x ,y ; x = ev.getX() ; y = ev.getY() ; strpaint = " x = " + x + " , y = " + y ; repaint (); } public void mousePressed(java.awt.event.MouseEvent ev) { } public void mouseReleased(java.awt.event.MouseEvent ev) { } public void mouseEntered(java.awt.event.MouseEvent ev) { } public void mouseExited(java.awt.event.MouseEvent ev) { } }
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