試題詳解

161 
What is the result?
(A) The value "4" is printed at the command line.
(B) Compilation fails because of an error in line 5.
(C) Compilation fails because of an error in line 9.
(D) A NullPointerException occurs at runtime.
(E) A NumberFormatException occurs at runtime. (AB) An IllegalStateException occurs at runtime.