java认证试题：2011年JAVA认证模拟题（33）8 n' L5 O! I5 n+ [
Q97 When a thread blocks on IO, which of the following are true?. `5 I. Y, L6 X, ~; k y; n5 Z
A The thread enters the ready state.1 d0 p9 x/ M: D: X" `. J
B The thread enters the dead state.! w- t# t6 F% }/ f
C No other thread may perform IO.5 `) ~* F' I7 m" @
D The Thread enters the waiting state.
5 M. o* I' l1 \ E1 |( q$ G! W$ X Q98 Which layout stacks components on top of each other?0 n5 G, _% _( m" m5 e1 o
A CardLayout0 q6 Z5 z- L, `# B
B null Layout8 |2 d) P0 |# J- x
C BorderLayout
8 T3 Y9 ~' O% U+ {' ?8 Y8 w: m/ D D SetLayout2 m) J/ Z7 S8 `% F8 {1 ]* P
Q99 Which declares an abstract method in an abstract Java class?
$ _2 E9 n' P7 `. b5 V' ^) N. K A public abstract method();
' N* X/ \; t' Q$ C B public abstract void method();% k9 q Q4 S! t4 X3 I/ Q$ S" r y
C public void abstract Method();# \4 k0 d1 I9 k' L
D public void method() {abstract;｝
( L6 [" M8 K+ ?- C/ _/ J9 o E public abstract void method() {｝; N" J# i! M% s5 U- h
Q097 D |8 i: `+ H. ^7 u4 P M
Q098 A
& K/ |* t( @0 g* O Q099 B |
发表于 2012-8-4 12:33:16
