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Operator overloading

Operator overloading concept: redefines existing operators to give them another function to adapt to different data types

Plus operator overload

Function: to realize the operation of adding two custom data types

# include using namespace std;class Person {public: / / Constructor Person (int num1, int num2) {this- > num1 = num1; this- > num2 = num2;} / / addition function Person operator+ (const Person & p) {Person temp (0,0); temp.num1 = this- > num1 + p.num1 Temp.num2 = this- > num2 + p.num2; return temp;} / / printout void printMessage () {cout

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