下列程序输出结果为: #include<iostream> using namesp
问题:
下列程序输出结果为: #include<iostream> using namespace std; class TestClass1 { public: TestClass1(){} TestClass1(int i) { x1=i; } void dispa() { cout<<"x1="<<x1<<","; } private: int x1; }; class TestClass2:public TestClass1 { public: TestClass2(){} TestClass2(int i):TestClass1(i+10) { x2=i; } void dispb() { dispa(); cout<<"x2="<<x2<<endl; } private: int x2; }; int main() { TestClass2 b(2); b.dispb(); return 0; }