Discussion :: Garbage Collections
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Which statement is true?
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A.
Calling Runtime.gc() will cause eligible objects to be garbage collected.
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B.
The garbage collector uses a mark and sweep algorithm.
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C.
If an object can be accessed from a live thread, it can't be garbage collected.
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D.
If object 1 refers to object 2, then object 2 can't be garbage collected.
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Answer : Option C
Explanation :
This is a great way to think about when objects can be garbage collected.
Option A and B assume guarantees that the garbage collector never makes.
Option D is wrong because of the now famous islands of isolation scenario.
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