Q151 Which of the following are direct or indirect subclasses of Container?$ P/ {% i$ R" j! e" ?% I- B
A Frame + W" j4 v6 p* ] B TextArea2 p! w) q! [' z+ \+ G# n8 F; z" g
C MenuBar 4 w3 L9 y1 {/ B) x3 u/ C D FileDialog& \- q' E4 q, Y6 ~+ D
E Applet 2 Q9 ~) @' s& s) _# B Q152 Which of the following are valid Java identifiers?. V& W! p/ [1 e$ ^* b4 ]
A %id# K+ P$ Q( O; T& ^- G/ n
B ￥id5 p0 A$ D7 Z; j( V
C _id1 d# a4 M9 `$ `" e) S" @
D #id 7 N3 n8 t, ?' E Q153 The Runnable interface declares which methods?* S( d n$ T* F5 T! C
A start() 4 A. i; d. t1 | B run(). d7 g3 ?, m& ^7 o' M
C stop() P# a4 Z0 I8 w7 Y D yield()( N) k3 X2 ]- d# ~' X9 ^- ?! N
Q151 ADE : k+ O; L0 N4 B! {1 ~ Q152 BC 4 s e' H: R3 n$ d0 Q) z D Q153 B
发表于 2012-8-4 12:33:16
