Change image on mouse event

Question

I would like to have an image change when when the mouse is over an element any help is aprresiated
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.awt.geom.*;
import java.io.*;
* @author  tom
public class CNP extends java.applet.Applet {
    File rcfile=null;
  java.io.BufferedReader br;
    Image img;
  int H;
  int W;
   Label labl(){
      img=getImage(getCodeBase(),"ide.gif");
    final Label label=new iLabel(img);
    Graphics gr=this.getGraphics();
label.paint(gr);
    label.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                label1MouseClicked(label,evt);
             public void mouseExited(java.awt.event.MouseEvent evt) {
                label1MouseExited(label,evt);
            public void mouseEntered(java.awt.event.MouseEvent evt) {
                label1MouseEntered(label,evt);
    return label;   
String lbl[]={"a","B","Cc","dDd","E"};
    int i=0;
    /** Initialization method that will be called after the applet is loaded
     *  into the browser.
    public void init() {
         try{
  java.io.BufferedReader br= new BufferedReader(new FileReader(rcfile));
  catch(Exception e){e.printStackTrace();}
         setLayout(null);
       for(i=0;i!=lbl.length;i++){
       CreateButton(i);
   public void paint(Graphics g){
    g.setColor(new Color(33,88,216,255));
       g.fillOval(63, 63, 74, 74);
   int x[]={0,100};
       int y[]={0,100};
int R=75;
float dx;
float dy;
       int X=50;
       int Y=50;
       int Cx=100;
       int Cy=100;
       int n=lbl.length;
    void CreateButton(int i){
         Arc2D arc=new Arc2D.Double();
         int t=360/lbl.length;
  arc.setArcByCenter(Cx, Cy, R, 0, t*i, arc.OPEN);
  dx=Math.round(arc.getEndPoint().getX());
  X=Math.round(dx);
  dy=Math.round(arc.getEndPoint().getY());
  Y=Math.round(dy);
   Label l= labl();
    W=this.img.getWidth(null);
   H=this.img.getHeight(null);
if(Cx>X){X=X-W;}
  if(Cy>Y){Y=Y-H; }
   this.add(l);
   l.setBounds(X,Y,W,H);
    void label1MouseClicked(Label l1,MouseEvent evt){
    javax.swing.JOptionPane.showMessageDialog(null,l1.getText()+" ("+evt.getX()+","+evt.getY()+")","CNP",1);
    void label1MouseEntered(Label l1,MouseEvent evt){
     img=getImage(getCodeBase(), "ide_hover.gif");       
   l1=new CNP.iLabel(img);
    l1.paint(this.getGraphics());
    void label1MouseExited(Label l1,MouseEvent evt){
    javax.swing.JOptionPane.showMessageDialog(null,l1.getText()+" ("+evt.getX()+","+evt.getY()+")","CNP",1);
    class iLabel extends Label{
public Image image;
    iLabel(Image i){
    this.image=i;
public void setImage(Image i){
this.image=i;
public void paint(Graphics g){
super.paint(g);
g.clearRect(0, 0, image.getWidth(null), image.getHeight(null));
    g.drawImage(this.image,0,0,this);
}

Answer 1

i got it to work with
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.awt.geom.*;
import java.io.*;
* @author  tom
public class CNP extends java.applet.Applet {
    File rcfile=null;
    java.io.BufferedReader br;
    Image img;
    int H;
    int W;
    Label labl(){
        img=getImage(getCodeBase(),"ide.gif");
        final iLabel label=new iLabel(img);
        Graphics gr=this.getGraphics();
        label.paint(gr);
        label.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                label1MouseClicked(label,evt);
            public void mouseExited(java.awt.event.MouseEvent evt) {
                label1MouseExited(label,evt);
            public void mouseEntered(java.awt.event.MouseEvent evt) {
                label1MouseEntered(label,evt);
        return label;
    String lbl[]={"a","B","Cc","dDd","E"};
    int i=0;
    /** Initialization method that will be called after the applet is loaded
     *  into the browser.
    public void init() {
        try{
            java.io.BufferedReader br= new BufferedReader(new FileReader(rcfile));
        catch(Exception e){e.printStackTrace();}
        setLayout(null);
        for(i=0;i!=lbl.length;i++){
            CreateButton(i);  
    public void paint(Graphics g){
        g.setColor(new Color(33,88,216,255));
        g.fillOval(63, 63, 74, 74);  
    int x[]={0,100};
    int y[]={0,100};
    int R=75;
    float dx;
    float dy;
    int X=50;
    int Y=50;
    int Cx=100;
    int Cy=100;
    int n=lbl.length;
    void CreateButton(int i){
        Arc2D arc=new Arc2D.Double();
        int t=360/lbl.length;
        arc.setArcByCenter(Cx, Cy, R, 0, t*i, arc.OPEN);
        dx=Math.round(arc.getEndPoint().getX());
        X=Math.round(dx);
        dy=Math.round(arc.getEndPoint().getY());
        Y=Math.round(dy);
        Label l= labl();
        W=this.img.getWidth(null);
        H=this.img.getHeight(null);
        if(Cx>X){X=X-W;}
        if(Cy>Y){Y=Y-H; }
        this.add(l);
        l.setBounds(X,Y,W,H);   
    void label1MouseClicked(iLabel l1,MouseEvent evt){
        javax.swing.JOptionPane.showMessageDialog(null,l1.getText()+" ("+evt.getX()+","+evt.getY()+")","CNP",1);
    void label1MouseEntered(iLabel l1,MouseEvent evt){
        Graphics gr=this.getGraphics();
        img=getImage(getCodeBase(), "ide_hover.gif");
        Point p=l1.getLocation();
        l1.setCursor(new Cursor(Cursor.HAND_CURSOR));
        l1.setImage(img, p);
        l1.paint(gr);
    void label1MouseExited(iLabel l1,MouseEvent evt){
         Graphics gr=this.getGraphics();
        img=getImage(getCodeBase(), "ide.gif");
        Point p=l1.getLocation();
        l1.setImage(img, p);
        l1.paint(gr);
        this.repaint();
    class iLabel extends Label{
        public Image image;
        int ix=0;
        int iy=0;
        iLabel(Image i){
            this.image=i;
        public void setImage(Image i,Point p){
            this.image=i;
            this.ix=p.x;
            this.iy=p.y;
        public void paint(Graphics g){
            super.paint(g);
            g.clearRect(0, 0, image.getWidth(null), image.getHeight(null));
            g.drawImage(this.image,ix,iy,this);
}