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Garbage Collection

 
Ranch Hand
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public class BettyAck {
public static void main(String argv[]){
BettyAck b =new BettyAck();
}
public BettyAck() {
Integer x = new Integer(10);
findOut(x);
Integer y = new Integer(99);
Integer z = y;
z = null;
findOut(y);
//here
}
public void findOut(Integer y){
y = null;

}
}


Given the following code, how many objects will be eligible for garbage collection on the line with the comment //here
 
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1
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No object is eligible for GC at line //here
 
Sheriff
Posts: 9691
42
Android Google Web Toolkit Hibernate IntelliJ IDE Spring Java
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mukki please tell from where you copied this question!!!
 
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i think Lakshman Arun is wright
 
mukki pandey
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i got from esnips pdf

but isn't b available for GC...because it is not set to null
 
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No object is eligible for GC at line //here
 
mukki pandey
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how about this

BettyAck b =new BettyAck();

isn't b available for GC
 
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Eclipse IDE Java Linux
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b is a reference variable, reference variables are never eligible for GC.The object created(new BettyAck()) is also not eligible for GC,as it has reference from b.
 
Greenhorn
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we have not lost the reference of 'b' object till now. so its not available for GC
 
mukki pandey
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thanks
 
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