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doubt in garbage collection question  RSS feed

Amrita Chaurasia
Posts: 7
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class C
public static void main(String a[])
C c1=new C();
C c2=m1(c1);
C c3=new C();
c2=c3; //6
static C m1(C ob1){
ob1 =new C();
return ob1;
After line 6, how many objects are eligible for garbage collection?

I got this question from free sample questions...
please help
Henry Wong
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