I need help with this $,$ running it does not show the animation, i created two Rect classes $,$ Sprite class and Animation class.

import java.applet.Applet;

import java.awt.$*$;

import java.awt.event.$*$;

public class GameDriver extends Applet implements Runnable, KeyListener, MouseListener, MouseMotionListener

$\{$

int mx $=-1$;

int my $=-1$;

Image beast $=$ Toolkit.getDefaultToolkit$().$getImage$("$beastlands$.$png$")$;

$//$Animation animation $=$ new Animation$("$G$\_$Jump", $100,100)$;

$//$Rect$2$ good $=$ new Rect$2(560,200,30,30)$;

$//$Rect bad $=$ new Rect$(800,600,30,30)$;

Rect$2[]$ wall $=$

$\{$

new Rect$2(42,518,137,63),$

new Rect$2(684,567,61,124),$

new Rect$2(880,326,268,48),$

new Rect$2(217,587,473,97),$

new Rect$2(744,567,600,30),$

new Rect$2(20,564,75,102),$

new Rect$2(131,565,70,87),$

new Rect$2(659,312,90,66),$

new Rect$2(872,424,108,140),$

new Rect$2(836,469,55,104),$

new Rect$2(728,470,88,211),$

$\}$;

boolean Jump$\_$Pressed $=$ false;

boolean Attack$\_$Pressed $=$ false;

boolean Run$\_$Pressed $=$ false;

boolean Walk$\_$Pressed $=$ false;

Image offScreenImg;

Graphics offScreenPen;

String$[]$ pose $=\{"$Dead$",$ "Jump", "JaumpAttack", "Run", "Idle", "Walk", "Attack"$\}$;

Sprites soldier $=$ new Sprites$("$G$",$ pose, $100,500,9,15)$;

public void run$()$

$\{$

$//$ Game Loop

while$($true$)$

$\{$

$//$if$($LT$\_$Pressed$)$ good.moveLT$(10)$;

$//$if$($RT$\_$Pressed$)$ good.moveRT$(10)$;

$//$if$($UP$\_$Pressed$)$ good.moveUP$(10)$;

$//$if$($DN$\_$Pressed$)$ good.moveDN$(10)$;

$//$bad$.$chase$($good$,7)$;

for$($int i $=0$; i $<$ wall.length; i$++)$

$\{$

$//$ if$($good$.$overlaps$($wall$[$i$]))$ good.pushedOutOf$($wall$[$i$])$;

$//$if$($ bad.overlaps$($wall$[$i$]))$ bad.pushedOutOf$($wall$[$i$])$;

$\}$

$//$leftwall$.$moveBy$(0,10)$;

repaint$()$;

try

$\{$

Thread.sleep$(16)$;

$\}$

catch$($Exception x$)\{\}$;

$\}$

$\}$

public void update$($Graphics pen$)$

$\{$

pen.clearRect$(0,0,1200,800)$;

paint$($pen$)$;

$\}$

public void paint$($Graphics pen$)$

$\{$

pen.setColor$($Color$.$BLACK$)$;

double scale $=0\mathrm{.}5$;

pen.drawImage$($beast$,0,0,1300,800,$ null$)$;

$//$pen$.$drawImage$($animation$.$nextImage$(),100,100,$ null$)$;

soldier.draw$($pen$)$;

$//$good$.$draw$($pen$)$;

$//$bad$.$draw$($pen$)$;

$//$

for$($int i $=0$; i $<$ wall.length; i$++)$

$\{$

wall$[$i$].$draw$($pen$)$;

$\}$

$\}$

public void init$()$

$\{$

addKeyListener$($this$)$;

requestFocus$()$;

addMouseListener$($this$)$;

addMouseMotionListener$($this$)$;

Thread t $=$ new Thread$($this$)$;

t$.$start$()$;

$\}$

public void mouseMoved$($MouseEvent e$)$

$\{$

$\}$

public void mouseDragged$($MouseEvent e$)$

$\{$

int nx $=$ e$.$getX$()$;

int ny $=$ e$.$getY$()$;

int dx $=$ nx $-$ mx;

int dy $=$ ny $-$ my;

for$($int i $=0$; i $<$ wall.length; i$++)$

$\{$

if$($wall$[$i$].$resizer.held$)$ wall$[$i$].$resizeBy$($dx$,$ dy$)$;

else

if$($wall$[$i$].$held$)$ wall$[$i$].$moveBy$($dx$,$ dy$)$;

$\}$

mx $=$ nx;

my $=$ ny;

$\}$

public void mousePressed$($MouseEvent e$)$

$\{$

mx $=$ e$.$getX$()$;

my $=$ e$.$getY$()$;

for$($int i $=0$; i $<$ wall.length; i$++)$

$\{$

if$($wall$[$i$].$contains$($mx$,$ my$))$ wall$[$i$].$grabbed$()$;

if$($wall$[$i$].$resizer.contains$($mx$,$ my$))$ wall$[$i$].$resizer.grabbed$()$;

$\}$

$\}$

public void mouseReleased$($MouseEvent e$)$

$\{$

for$($int i $=0$; i $<$ wall.length; i$++)$

$\{$

wall$[$i$].$dropped$()$;

wall$[$i$].$resizer.dropped$()$;

$\}$

$\}$

public void keyPressed$($KeyEvent e$)$

$\{$

int code $=$ e$.$getKeyCode$()$;

if $($code $==$ e$.$VK$\_$UP $)$ Jump$\_$Pressed $=$ true;

if $($code $==$ e$.$VK$\_$DOWN $)$ Attack$\_$Pressed $=$ true;

if $($code $==$ e$.$VK$\_$LEFT $)$ Run$\_$Pressed $=$ true;

if $($code $==$ e$.$VK$\_$RIGHT$)$ Walk$\_$Pressed $=$ true;

if $($code $==$ e$.$VK$\_$P$)$

$\{$

for$($int i $=0$; i $<$ wall.length; i$++)$

$\{$

System.out.println$($wall$[$i$])$;

$\}$

$\}$

$\}$

public void keyReleased$($KeyEvent e$)$

$\{$

int code $=$ e$.$getKeyCode$()$;

if $($code $==$ e$.$VK$\_$UP $)$ Jump$\_$Pressed $=$ false;

if $($code $==$ e$.$VK$\_$DOWN $)$ Attack$\_$Pressed $=$ false;

if $($code $==$ e$.$VK$\_$LEFT $)$ Run$\_$Pressed $=$ false;

if $($code $==$ e$.$VK$\_$RIGHT$)$ Walk$\_$Pressed $=$ false;

$\}$

public void keyTyped$($KeyEvent e$)\{\}$

public void mouseClicked$($MouseEvent e$)\{\}$

public void mouseEntered$($MouseEvent e$)\{\}$

public void mouseExited$($MouseEvent e$)\{\}$

$\}$