A.Foohasthevalue“”
B.Foohasthevaluenull
C.Anexceptionisthrown
D.Thecodewillnotcompile
第1题:
A.Foohasthevalueof0.
B.Foohasthevalueofnull.
C.Foohasthevalueoftrue.
D.Foohasthevalueoffalse.
E.Anexceptionisthrown.
F.Thecodewillnotcompile.
第2题:
A.Bazhasthevalueof0
B.Bazhasthevalueof1
C.Bazhasthevalueof2
D.Anexceptionisthrown.
E.Thecodewillnotcompile.
第3题:
设有以下程序,其运行输出结果为? class Test{ Test(int i) { System.out.println("Test(" +i +")"); } } public class Q12 { static Test t1 = new Test(1); Test t2 = new Test(2); static Test t3 = new Test(3); public static void main(String[ ] args){ Q12 Q = new Q12(); } }
A.Test(1) Test(2) Test(3)
B.Test(3) Test(2) Test(1)
C.Test(2) Test(1) Test(3)
D.Test(1) Test(3) Test(2)
第4题:
A. Foohasthevalue“”
B.Foohasthevaluenull
C.Anexceptionisthrown
D.Thecodewillnotcompile
第5题:
A.abc
B.123
C.a1b2c3
D.a1b2c3