A、come out
B、come off
C、come about
D、come to
第1题:
classParent{
Stringone,two;
publicParent(Stringa,Stringb){
one=a;
two=b;}
publicvoidprint(){System.out.println(one);}}
publicclassChildextendsParent{
publicChild(Stringa,Stringb){
super(a,b);
}
publicvoidprint(){
System.out.println(one+"to"+two);
}
publicstaticvoidmain(Stringarg[]){
Parentp=newParent("south","north");
Parentt=newChild("east","west");
p.print();
t.print();
}
}
Whichofthefollowingiscorrect?()
第2题:
编译和执行以下代码,输出结果是( )。 int i=1; switch (i) { case 0: System.out.print("zero,"); break; case 1: System.out.print("one,"); case 2: System.out.print("two,"); default: System.out.println("default"); }
A.one,
B.one,two,
C.one,two,default
D.default
第3题:
有如下代码段:
switch ( x ){
case 1:System.out.println("One");break;
case 2:
case 3:System.out.println("Two");break;
default:System.out.println("end");
}
变量x的取值下列哪些情形时,能使程序输出"Two" 。
A. 1
B. 2
C. 3
D. default
第4题:
下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int i = 1; switch (i) { case 0: System.but.println("zero"); break; case 1: System.out.println("one"); case 2: System.out.println("two"); default: System.out.println ("default"); } } }
A.one
B.one, default
C.one, two, default
D.default
第5题:
以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2: system.out.print("two."): Case 2+1: System.out.println("three."); break: default: System.out.println (“value is”+j): Break }A.B.two
A.two.three.
B.two
C.three
D.value is 2
第6题:
A.Out-of-profilepacketsarequeued.
B.ItcausesTCPretransmits.
C.Marking/remarkingisnotsupported.
D.ItdoesnotrespondtoBECNandForeSightMessages.
E.Itusesasingle/two-bucketmechanismformetering.