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Operator Overloading

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	`1`	`+#include<iostream>`
	`2`	`+#define sp " "`
	`3`	`+using namespace std;`
	`4`	`+`
	`5`	`+class Demo{`
	`6`	`+`
	`7`	`+ int x, y;`
	`8`	`+ public:`
	`9`	`+`
	`10`	`+ // Default Constructor`
	`11`	`+ Demo(){`
	`12`	`+ x = -1;`
	`13`	`+ y = -1;`
	`14`	`+ }`
	`15`	`+`
	`16`	`+ // Paramterised Constructor`
	`17`	`+ Demo(int a, int b){`
	`18`	`+ this->x = a;`
	`19`	`+ this->y = b;`
	`20`	`+ }`
	`21`	`+/*`
	`22`	`+ // Copy Constructor`
	`23`	`+ Demo(Demo& obj){`
	`24`	`+ x = obj.x;`
	`25`	`+ y = obj.y;`
	`26`	`+ }`
	`27`	`+*/`
	`28`	`+ void getNumbers(){`
	`29`	`+ cout<<x<<sp<<y<<endl;`
	`30`	`+ }`
	`31`	`+`
	`32`	`+ Demo operator + (const Demo&);`
	`33`	`+ void print();`
	`34`	`+};`
	`35`	`+`
	`36`	`+Demo Demo::operator +(const Demo& obj){`
	`37`	`+ Demo res;`
	`38`	`+ res.x = x + obj.x;`
	`39`	`+ res.y = y + obj.y;`
	`40`	`+ return res;`
	`41`	`+}`
	`42`	`+`
	`43`	`+void Demo::print(){`
	`44`	`+ cout<<"x : "<<x<<","<<sp<<"y : "<<y;`
	`45`	`+}`
	`46`	`+`
	`47`	`+int main()`
	`48`	`+{`
	`49`	`+`
	`50`	`+ Demo obj(7, 8);`
	`51`	`+ obj.getNumbers();`
	`52`	`+ Demo obj2(10, 12);`
	`53`	`+ // Demo obj2(obj);`
	`54`	`+ obj2.getNumbers();`
	`55`	`+ Demo result = obj + obj2;`
	`56`	`+ result.print();`
	`57`	`+`
	`58`	`+ return 0;`
	`59`	`+}`

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