Garbage Collection Program

[Srinivas Katta]

Hi All,

I have the below Code about Garbage Collections

public class Garb {
	Garb g;
	public Garb(Object g) {
		this.g = (Garb)g;
	}
	public static void main(String[] args) {
		Garb gb1 = new Garb(new Garb(new Garb(null))); 
		gb1.g.g = new Garb(new Garb(null));
		Garb gb2 = new Garb(new Garb(new Garb(gb1)));
		gb2.g = gb1.g;
		System.gc();
	}
}

Can anybody sketch the diagram to better understand how many objects are eligible for garbage collection after the execution of system.gc()

Thanks in advance for your help

Thanks
Srinivas

[Mahmoud Hossam]

System.gc() is not part of the SCJP6 exam anymore

are you planning on taking SCJP 1.5?

[Srinivas Katta]

Hi Mahmoud Hossam,

Yes, I am planning to take SCJP 6 Exam, I encountered this Question while Practicing Exam with ExamLab for SCJP 6.

So this type of programs cannot be seen in the real exam right?

any suggestions to pass out the exam

Thanks
Srinivas

[Mahmoud Hossam]

Srinivas Katta wrote:Hi Mahmoud Hossam,

Yes, I am planning to take SCJP 6 Exam, I encountered this Question while Practicing Exam with ExamLab for SCJP 6.

So this type of programs cannot be seen in the real exam right?

any suggestions to pass out the exam

Thanks
Srinivas

I personally don't think so,but wait for more replies


some people here might know better than me

[Moguluri Ravi Kiran]

This is the Diagram

[Ankit Garg]

Well the question is valid, you can always be asked to tell how many objects are eligible for GC. There won't be any questions which rely on the behavior of System.gc() so in the question you can ignore that line. Moguluri's diagram should clear your problem...

[Srinivas Katta]

Hi Ravi Kiran,

Thanks a lot for the explanation, are you preparing for SCJP or you already cleared. my email : [Email Id deleted, read UseTheForumNotEmail]

Thanks
Srinivas