若有定义语句:int x=10;,则表沃式㈣的值为()。
A.一10
B.-20
C.0
D.10
A.123412312
B.12341234123412341231231231212
C.1234+1234+1234
D.1234+123+12
若有定义:int a=7;float x=2.5,y=4.7;则表达式x+a%3*(int)(x+y)%2/4的值是
A.2.500000
B.2.750000
C.3.500000
D.0.000000
A.switch(a+b){ case 1:printf("*/n");case 2*a:printf("* */n");}
B.switch(x){ case 1.0:printf("*/n");case 2.0:printf("* */n");}
C.switch(x){ case 1,2:printf("*/n");case 3:printf("* */n");}
D.switch(a+b){ case 1:printf("*/n");case 1+2:printf("* */n");}
A.int []arr=new int[]{1,2,3}
B.int arr[]={1,2,3}
C.int arr[]=new int[3]
D.int arr={1,2,3}
A.int[] arr1 = {1,2,’a’}
B.int arr2= new int[3]
C.int[] arr3=new int[]{1,2,3}
D.int[] arr4=new int[3]{1,2,3}
A.int x[]={1,2,3}
B.int []x[]={{1,2,3},{1,2,3}}
C.int x[3]= {1,2,3}
D.int []x={0,0,0}
E.har c[]={‘陈’,’b’}
A.int a[3] = {‘a’, ‘b’}
B.int a[3] = {1,2,3}
C.int a[3] = {0}
D.int a[3] = 0
A.int[]a=newint[5];
B.inta[]={1,2,3,4};
C.inta[][]=newint[][9];
D.inta[][]={{1}{1,2}{1,2,3}};