2011年JAVA认证模拟题（53）

会计考友

　　Q157 Which of the following are true?
& w- R+ c- ~  ^+ V+ e2 o" l  T　　A If a package statement is included in a source code file, it must appear as the first non-blank line.
　　B If an import statement is included in a source code file, it must appear as the first non-blank line.
/ P7 o8 n2 A" s0 _+ t% b, e9 `7 t　　C If a main() method is included in a source code file, it must appear as the first non-blank line.
' d8 z- p' \( A- F　　D If a public interface is declared in a source code file, it must have the same name as the source code file.
　　Q158 Which of the following are true about this method declaration?
　　void myMethod (String s) {
& R3 u7 X/ q: Z2 H  Z9 ^% N' ^　　｝
　　A myMethod() is static
# n( W, }" ^" ]　　B myMethod() does not return a value.
4 i. S# ^$ G  a) h　　C myMethod() is abstract.
5 N0 _" b, S1 T# h　　D myMethod() may not be accessed outside of the package in which it is declared.
$ w' a7 @6 C) `; m　　Q159 If an object with a finalize() method has been garbage collected, which of the following are true about that object?
/ a0 ]6 x3 D$ v6 T　　A The object became unreachable.
　　B The object’s finalized() method was invoked by the garbage collector.
　　C The memory used by the object is subject to reuse.
　　D The object did not implement any interfaces.
! k( k9 A& W4 u% x# s/ G　　Q157 AD
( k' W/ @8 y; g7 A% b　　Q158 BD
　　Q159 ABC