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Categories >> Software >> Java Related >> Java J2EE >> Core Java
 
 


 

 
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Question
Can an unreachable object become reachable again?
 Question Submitted By :: Core-Java
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Yes, an unreachable object may become reachable again.This
happens when the object's finalize() method is invoked and
the objct performs an operation which causes it to become
accessible to reachable objects.
 
Is This Answer Correct ?    11 Yes 1 No
Niranjanravi
 
Answer
# 2
YES, Finalization is a feature of the Java programming
language that allows you to perform postmortem cleanup on
objects that the garbage collector has found to be
unreachable. It is typically used to reclaim native
resources associated with an object.
When the garbage collector determines that obj is
unreachable, it notices that obj is finalizable -- as it
had been recorded upon allocation -- and adds it to the
JVM's finalization queue. It also ensures that all objects
reachable from obj are retained, even if they are otherwise
unreachable, as they might be accessed by the finalizer.

So, we can say that it can be reachable.
 
Is This Answer Correct ?    10 Yes 1 No
Rakesh Kumar Jha
 
 
 
Answer
# 3
yes an unreachable object may become reachable once it get a
reference befre garbage collection especially in finalize()
method call
 
Is This Answer Correct ?    5 Yes 0 No
Ravikiran(aptech Mumbai)
 

 
 
 
Other Core Java Interview Questions
 
  Question Asked @ Answers
 
what is java bean?where can we use it? TCS 12
what is the replacement method of stop() of thread TCS 8
Why do we use public static with the main function in Java? Infosys 13
Can a class be subclass of itself?   4
What is meant by final class, methods and variables?   3
if the memory capacity is 700 presently occupied by process is 690. then another process request space(40) how this situation handled in java. Wipro 4
What is the use of ?this??   4
aabccdee Find the used alphabets as abcde ?   3
why top level class could not be static L&T 2
who was the founder of java HCL 31
Name the runtime exceptions that occurs frequently?   4
What are the Abstract Classes provided by Java? Oracle 5
 
For more Core Java Interview Questions Click Here 
 
 
 
 
 


   
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