下面程序的输出结果是( )。 # include <iostream.h>
题型:单项选择题
问题:
下面程序的输出结果是( )。 # include <iostream.h> class example { int a; public: example (intb) {a=b++;} void print ( ){a=a+1; cout << a <<" ";} void print ( ) const {cout << a <<" ";} }; void main ( ) { example x (3); const example y (2); x. print ( ); y.print ( ); }
A. 2 2
B. 4 3
C. 4 2
D. 3 2