1.Which statement about the garbage collection mechanism are true?
A. Garbage collection require additional programe code in cases where mult
iple threads are running.
B. The programmer can indicate that a reference through a local variable i
s no longer of interest.
C. The programmer has a mechanism that explicity and immediately frees the
memory used by Java objects.
D. The garbage collection mechanism can free the memory used by Java Objec
t at explection time.
E. The garbage collection syst