下面程序的结果是 #include<iostream.h> class A {
问题:
下面程序的结果是 #include<iostream.h> class A { int a; public:A( ) :a(1) {}void showa ( ) {cout < < a;} }; class B { int a; public:B( ) :a(2) {} void showa( ) {cout < < a;} }; class C: public A, public B { t a; public:C( ) :a(3) {} void showa( ) {cout < < a;} }; void main( ) { C c; c.showa( ) ; }
A.1
B.2
C.3
D.程序有错误