Q142 Which layout should you use to organize the components of a container in a tabular form?
- c* N/ L2 m% _& ^7 R+ x A CardLayout
$ ^ H$ a( A \/ z- j A6 z T B BorderLayout" m3 w9 F$ P- Y+ R# r9 e+ w& O) J
C FlowLayout, E3 a. ?+ X L$ s
D GridLayout
0 n" q9 i& q T Q143 What is the result of the expression 5.4 + “3.2”?3 N' |' R; |* w9 ]& y
A The double value 8.6
4 E" i8 G ^6 A* p( |2 Q, q B The String “8.6”
) s% B; g& J6 D2 t C The long value 8
$ I* K0 R, z( u6 M; K4 L D The String “5.43.2”% W9 ?* U9 v3 s5 Y5 B
Q144 Which of the following may have duplicate elements?; T0 z9 g; X' F' Q |
A Collection& E- W4 D" j; v6 u! o: r6 J' E
B List
" } m1 D" V2 v4 [% z# @ C Map2 d3 V. H8 J6 D4 P
D Set
7 ?) L3 g7 M4 }9 ~* O' ]2 M Q142 D
; u( m8 C, [; g: h Q143 D Y* A. D6 x7 ?" u
Q144 AB |
发表于 2012-8-4 12:33:16
