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two_frn.cpp
Upload User: dq031136
Upload Date: 2022-08-08
Package Size: 802k
Code Size: 1k
Category:
Visual C++ Books
Development Platform:
C++ Builder
- #include <iostream.h>
- class loc
- {
- int longitude, latitude;
- public:
- loc(void) {} // Used to construct temporaries
- loc (int lg, int lt)
- {
- longitude = lg;
- latitude = lt;
- }
- void show(void)
- {
- cout << longitude << " ";
- cout << latitude << endl;
- }
- loc operator=(loc op2);
- friend loc operator+(loc op1, int op2); // Friend overloaded
- friend loc operator+(int op1, loc op2); // Friend overloaded
- };
- loc loc::operator=(loc op2)
- {
- longitude = op2.longitude;
- latitude = op2.latitude;
- return *this;
- }
- loc operator+(loc op1, int op2)
- {
- loc temp;
- temp.longitude = op1.longitude + op2;
- temp.latitude = op1.latitude + op2;
- return temp;
- }
- loc operator+(int op1, loc op2)
- {
- loc temp;
- temp.longitude = op1 + op2.longitude;
- temp.latitude = op1 + op2.latitude;
- return temp;
- }
- void main(void)
- {
- loc ob1(10,20), ob2( 5,30), ob3( 7,14);
- ob1.show();
- ob2.show();
- ob3.show();
- ob1 = ob2 + 10;
- ob3 = 10 + ob3;
- ob1.show();
- ob3.show();
- }