Q151 Which of the following are direct or indirect subclasses of Container? & P7 M2 h% }: [7 E7 o) V& {1 p5 Q4 U A Frame " E/ r ^, Y' P+ o B TextArea! Q) {8 d7 k _2 R
C MenuBar: Z% s8 m- L9 p/ Y
D FileDialog # q- ? `* h1 p. Y( b. D& y! n" l E Applet ; g a2 Y5 F9 Z5 q0 T% P Q152 Which of the following are valid Java identifiers?# M' |7 z1 I" m) ^! q0 ^( _
A %id 9 u) g1 ]5 O; F8 T" A B ￥id 9 g* ^/ Y$ E: h+ M& A( ` C _id ( G( y0 t# X$ E D #id. `7 L" e3 |4 k
Q153 The Runnable interface declares which methods?' h9 ~+ M! A; A5 B! v
A start()+ O: l8 k# P( a7 l- a% d
B run()0 O- A X% f o
C stop() 4 e3 N, t* ^) t4 C7 A1 x D yield()2 |( N8 m. @' ^; M, k2 y v) c
Q151 ADE ) @* c- C& h) H8 y* f# X6 k Q152 BC # u( I5 r; l4 x! \- X7 O& @ Q153 B
发表于 2012-8-4 12:33:16
