I need help debugging this code public void actionPerformed $($ActionEvent e$)$

$\{$

if$($e$.$getSource$()==$ buttonStart$)$

$\{$

level $=1$;

score $=0$;

robotCount $=4$;

moveFactor $=0\mathrm{.}9$;

robotsKilled $=0$;

alive $=$ true;

nextLevel $=$ false;

scoreString $=$ "Level $"+$ level $+""+$ "score $="+$ score;

currentScoreField.setText$($scoreString$)$;

resultsString $=$ "Starting a game";

resultsArea.setText$($resultsString$)$;

initializeBoard $($board$)$;

placeHuman $($board$)$;

robotsX $=$ new int$[$robotCount$]$;

robotsY $=$ new int$[$robotCount$]$;

robotsAlive $=$ new boolean$[$robotCount$]$;

$//$set robots alive

for $($int i $=0$; i $<$ robotCount; i$++)$

$\{$

robotsAlive$[$i$]=$ true;

$\}$

$//$place robots

placeRobots$($robotCount$,$ robotsX,robotsY, board$)$;

$//$dislplay board

displayBoard$($board$)$;

$\}$

$//$if its not the start button

else if $($e$.$getSource$()!=$ buttonStart && $($robotsAlive $==$ true && nextLevel $==$ false$))$

$\{$

if $($e$.$getSource$()==$ buttonUp$)$

$\{$

moveHuman$(1,$board$)$;

moveRobots$($humanX$,$ humanY, robotCount, robotsX, robotsY, robotsAlive, board, moveFactor$)$;

$\}$

if $($e$.$getSource$()==$ buttonRight$)$

$\{$

moveHuman$(3,$board$)$;

moveRobots$($humanX$,$ humanY, robotCount, robotsX, robotsY, robotsAlive, board, moveFactor$)$;

$\}$

if $($e$.$getSource $()==$ buttonDown$)$

$\{$

moveHuman$(2,$board$)$;

moveRobots$($humanX$,$ humanY, robotCount, robotsX, robotsY, robotsAlive, board, moveFactor$)$;

$\}$

if $($e$.$getSource$()==$ buttonLeft$)$

$\{$

moveHuman$(4,$board$)$;

moveRobots$($humanX$,$ humanY, robotCount, robotsX, robotsY, robotsAlive, board, moveFactor$)$;

$\}$

nextLevel $=$ winLevel$()$;

$\}$

if $($nextLevel $==$ true$)$

$\{$

$//$update the results string

resultsString $=$ "you win level $"+$ level;

resultsArea.setText$($resultsString$)$;

level$++$;

$//$update the score string

robotsKilled $=$ deadRobots$($robotCount$,$ robotsAlive$)$;

score $+=$ robotsKilled $+100$;

$//$update the score field

scoreString $=$ "Level $"+$ level $+"$ Score $="$;

currentScoreField.setText$($scoreString$)$;

$//$reset the robotsKilled value

robotsKilled $=0$;

robotCount$++$;

moveFactor $-=0\mathrm{.}02$;

initializeBoard$($board$)$;

placeHuman$($board$)$;

alive $=$ true;

nextLevel $=$ false;

$//$creat new robot team

robotsX $=$ new int $[$robotCount$]$;

robotsY $=$ new int $[$robotCount$]$;

robotsAlive $=$ new boolean $[$robotCount$]$;

for $($int i $=0$; i $<$ robotCount; i$++)$

$\{$

robotsAlive$[$i$]=$ true;

$\}$

placeRobots$($robotCount$,$ robotsX, robotsY, board$)$;

alive $=$ analyze$($humanX$,$ humanY, robotsX, robotsY, board$)$;

if $(!$alive$)//$game over

$\{$

robotsKilled $=$ deadRobots $($robotCount$,$ robotsAlive$)$;

score $+=$ robotsKilled;

scoreString $=$ "Level" $+$ level $+$ "Score $="+$ score;

currentScoreField.setText$($scoreString$)$;

if $((($humanX $==0||$ humanX $==11)||($humanY $==0||$ humanY $==11))$ && $(!($humanY $==5$ && humanX $==0)))$

$\{$

resultsString $=$ "You were zapped by the electric fence!" $+"$

If you want to play again click start.";

$\}$

else

$\{$

resultsArea.setText$($resultsString$)$;

$\}$

$\}$

displayBoard$($board$)$;

$\}$

$\}//$end of actionPerformed