Java

What is the output of the following Java program?

public class Test

$\{$

static Test $t$;

static int count $=0$;

public static void main$($String$[]$ args$)$ throws InterruptedException

$$

Test $t1=$ new Test$()$;

$//$ making tl eligible for garbage collection

$t1=$ null; $//$ line $12$

$//$ calling garbage collector