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Garbage Collection question from Exam Lab

 
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class A{
A aob;
public static void main(String args[]){
A a=new A();
A b=new A();
A c=new A();
a.aob=b;
b.aob=a;
c.aob=a.aob;
A d=new A().aob=new A();
c=b;
c.aob=null;
System.gc();
}
}


this question is from Exam lab...


How many object is eligible for GC after c.aob=null executing;
[ November 16, 2008: Message edited by: Anut Walidera ]
 
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i think it is only one
 
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There are two objects eligible for the GC.

This question is already discussed in following two posts:

https://coderanch.com/t/417856/java-programmer-SCJP/certification/Objects-eligible-GC

https://coderanch.com/t/417827/java-programmer-SCJP/certification/GC
 
Tuna Töre
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Thanks , I got it
 
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