Stuck in garbage collection???????????

[rohan yadav]

How many objects are eligible for garbage collection by the time the method f() invoked?

  
class MyClass
{
	private MyClass z;
	public void other(MyClass c){z=c;}
	protected void finalize(){System.out.println("called");}
}

class Test
{
	private static void f(){}
	public static void main(String[] args){
		MyClass c1 = new MyClass();
		MyClass c2 = new MyClass();
		c1.other(c2);
		c2.other(c1);
		MyClass c3 = new MyClass();
		c1=c3;
		c2=c3;
		f();
	}
}
	  

This is question from whizlabs.
Can anyone explain me how many obj are eligible?And why?

Thanks in advance

[Christophe Verré]

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[rohan yadav]