1. [单选题]以下函数值的类型是______。 fun(float x) { float y; y=3*x-4; return y; }
A. int
B. 不确定
C. void
D. float
2. [单选题]以下程序运行后,输出结果是______。 func (int a,int b) { static int m=0,i=2; i+=m+1; m=i+a+b; return m; } main() { int k=4,m=1,p; p=func(k,m); printf("%d,",p); p=func(k,m);printf("%d\n",p); }
A. 8, 15
B. 8, 16
C. 8, 17
D. 8, 8
3. [单选题]能将程序补充完整的选项是( )。class Person{ private int a; public int change(int m){ return m; }}public class Teacher extends Person{ public int b; public static void main(String arg[]) { Person p = new Person(); Teacher t = new Teacher(); int i; ______ }} B.
A. i=m
B. i=b
C. i=p.a
D. i=p. change(50)