C++ 中const修饰虚函数实例详解
C++中const修饰虚函数实例详解
【1】程序1
#includeusingnamespacestd; classBase { public: virtualvoidprint()const=0; }; classTest:publicBase { public: voidprint(); }; voidTest::print() { cout<<"Test::print()"< print(); }
【2】程序2
#includeusingnamespacestd; classBase { public: virtualvoidprint()const=0; }; classTest:publicBase { public: voidprint(); voidprint()const; }; voidTest::print() { cout<<"Test::print()"< print(); } /* Test::print()const */
【3】程序3
#includeusingnamespacestd; classBase { public: virtualvoidprint()const=0; }; classTest:publicBase { public: voidprint(); voidprint()const; }; voidTest::print() { cout<<"Test::print()"< print(); constTestobj; obj.print(); Testobj1; obj1.print(); Test*pOwn=newTest(); pOwn->print(); } /* Test::print()const Test::print()const Test::print() Test::print() */
备注:一切皆在代码中。
总结:const修饰成员函数,也属于函数重载的一种范畴。
感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!