单选题：Which statements about the garbage collection are true?
Which statements about the garbage collection are true?
@[B](2)
A. The program developer must create a thread to be responsible for free the memory.
B. The garbage collection will check for and free memory no longer needed.
C. The garbage collection allows the program developer to explicitly and immediately free the memory.
D. The garbage collection can free the memory used by Java object at expect time.
A.The program developer must create a thread to be responsible for free the memory.
B.The garbage collection will check for and free memory no longer needed.
C.The garbage collection allows the program developer to explicitly and immediately free the memory.
D.The garbage collection can free the memory used by Java object at expect time.
答案：B
A. The program developer must create a thread to be responsible for free the memory.
B. The garbage collection will check for and free memory no longer needed.
C. The garbage collection allows the program developer to explicitly and immediately free the memory.
D. The garbage collection can free the memory used by Java object at expect time.
A.The program developer must create a thread to be responsible for free the memory.
B.The garbage collection will check for and free memory no longer needed.
C.The garbage collection allows the program developer to explicitly and immediately free the memory.
D.The garbage collection can free the memory used by Java object at expect time.
答案：B