运算符重载举例

运算符重载举例
 

 1 #include <iostream>

 2 #include <string>

 3

 4 using namespace std;

 5

 6 class T

 7 {

 8 public:

 9 int getAge();

10 string getName();

11 setName(string name);

12 setAge(int age);

13 friend T& operator+(T& tL, T& tR);

14 T& operator=(T& tR)

15 {

16 name = tR.getName();

17 age = tR.getAge();

18 return *this;

19 }

20 T(){};

21 ~T(){};

22 protected:

23 private:

24 string name;

25 int age;

26 };

27

28 int main(int argc, char* argv[])

29 {

30 T t1,t2;

31 t1.setAge(10);

32 t2.setAge(20);

33 t1.setName("QQ");

34 t2.setName("YY");

35 cout<<t1.getName()<<" is "<<t1.getAge()<<" years old!"<<endl;

36 cout<<t2.getName()<<" is "<<t2.getAge()<<" years old!"<<endl;

37 t2 = t1 = t1+t2;

38 cout<<t1.getName()<<" is "<<t1.getAge()<<" years old!"<<endl;

39 cout<<t2.getName()<<" is "<<t2.getAge()<<" years old!"<<endl;

40 return 0;

41 }

42

43 T& operator+(T& tL, T& tR)

44 {

45 tL.setAge(tL.getAge()+tR.getAge());

46 tL.setName(tL.getName()+tR.getName());

47 return tL;

48 }

49

50 int T::getAge()

51 {

52 return age;

53 }

54

55 string T::getName()

56 {

57 return name;

58 }

59

60 T::setAge(int age)

61 {

62 this->age=age;

63 }

64

65 T::setName(string name)

66 {

67 this->name=name;

68 }

运算符重载举例