Please fix any errors in code

public class Main $\{$

public static void main$($String$[]$ args$)\{$

$//$ Create new instances of ThreadDemo:

ThreadDemo T$1=$ new ThreadDemo$(0,$ "Thread $1")$;

ThreadDemo T$2=$ new ThreadDemo$(5000,$ "Thread $2")$;

$//$ Start up both ThreadDemo objects:

T$1.$start$()$;

T$2.$start$()$;

$//$ Wait on the threads to finish.

try $\{$

T$1.$join$()$;

T$2.$join$()$;

$\}$ catch $($InterruptedException e$)\{$

System.out.println$("$Interrupted$")$;

$\}$

System.out.println$("$FINISHED$")$;

$\}$

$\}$