单项选择题
A.0.0
B.Compilation fails.
C.A ParseException is thrown by the parse method at runtime.
D.A NumberFormatException is thrown by the parse method at runtime.
单项选择题 Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection？（）
单项选择题 What is the result？（）
单项选择题 When the doSomething method is called， after which line does the Object created in line 5 become available for garbage collection？（）
