Update Lab Performance-2

Lab Performance-2

@@ -12,3 +12,146 @@ Task-2:
 An operator overloading allows custom behavior to be defined for built-in operators like addition (+), subtraction (-), when we used with user-defined types.
 When overloading binary operators as friend functions, external functions can access private members of a class.
 Provide examples how binary operator overloading is implemented using friend functions. 
+Task 1:- 
+#include<iostream>
+using namespace std;
+class Shape{
+	public:
+		void area(){
+
+		}
+		void perimeter(){
+
+		}
+};
+class Circle:public Shape{
+	double r,area_value,perimeter_value;
+	public:
+		Circle(){
+			cout<<"Enter value of radius of circle: ";
+			cin>>r;
+			area();
+			perimeter();
+		}
+		void area(){
+			area_value=3.14*r*r;
+		}
+		void perimeter(){
+			perimeter_value=2*3.14*r;
+		}
+		void display(){
+			cout<<"Area of circle:"<<area_value<<endl;
+			cout<<"Perimeter of circle:"<<perimeter_value<<endl;
+		}
+};
+class Rectangle:public Shape{
+	double len,bre,area_value,perimeter_value;
+	public:
+		Rectangle(){
+			cout<<"Enter length of rectangle:";
+			cin>>len;
+			cout<<"Enter breadth of rectangle:";
+			cin>>bre;
+			area();
+			perimeter();
+		}
+		void area(){
+			area_value=len*bre;
+		}
+		void perimeter(){
+			perimeter_value=2*(len+bre);
+		}
+		void display(){
+			cout<<"Area of rectangle:"<<area_value<<endl;
+			cout<<"Perimeter of rectangle:"<<perimeter_value<<endl;
+		}
+};
+class Triangle:public Shape{
+	double side1,side2,side3,hei,area_value,perimeter_value;
+	public:
+		Triangle(){
+			cout<<"Enter height of triangle:";
+			cin>>hei;
+			cout<<"Enter base or side1 of triangle:";
+			cin>>side1;
+			cout<<"Enter side2 of triangle:";
+			cin>>side2;
+			cout<<"Enter side3 of triangle:";
+			cin>>side3;
+			area();
+			perimeter();
+		}
+		void area(){
+			area_value=0.5*hei*side1;
+		}
+		void perimeter(){
+			perimeter_value=side1+side2+side3;
+		}
+		void display(){
+			cout<<"Area of triangle:"<<area_value<<endl;
+			cout<<"Perimeter of triangle:"<<perimeter_value<<endl;
+		}
+};
+int main(){
+	cout<<"Name:- Jatin Watts"<<endl;
+	cout<<"Roll No:- 2310997130"<<endl;
+	Circle circle;
+	circle.display();
+	cout<<endl;
+	Rectangle rectangle;
+	rectangle.display();
+	cout<<endl;
+	Triangle triangle;
+	triangle.display();
+	cout<<endl;
+	return 0;
+}
+Task 2:- 
+#include <iostream>
+using namespace std;
+class Overloading{
+    int j,w;
+    public:
+        void get(){
+            cout<<"Enter value of j: ";
+            cin>>j;
+            cout<<"Enter value of w: ";
+            cin>>w;
+        }
+        friend Overloading operator+(Overloading &obj, Overloading &obj1);
+        friend Overloading operator-(Overloading &obj, Overloading &obj1);
+        void display0(){
+        	cout<<"Addition of J:"<<j<<endl;
+        	cout<<"Addition of W:"<<w<<endl;
+		}
+		void display1(){
+        	cout<<"Subtraction of J:"<<j<<endl;
+        	cout<<"Subtraction of W:"<<w<<endl;
+		}
+};
+ Overloading operator+(Overloading &obj, Overloading &obj1){
+    Overloading sum;
+    sum.j=obj.j+obj1.j;
+    sum.w=obj.w+obj1.w;
+    return sum;
+}
+Overloading operator-(Overloading &obj, Overloading &obj1){
+    Overloading sub;
+    sub.j=obj.j-obj1.w;
+    sub.w=obj.w-obj1.w;
+    return sub;
+}
+int main() {
+		cout<<"Name:- Jatin Watts"<<endl;
+	cout<<"Roll No:- 2310997130"<<endl;
+    Overloading obj,obj1,sum,sub;
+    cout<<"Enter values in first object:- "<<endl;
+    obj.get();
+    cout<<"Enter values in second object:- "<<endl;
+    obj1.get();
+    sum=obj+obj1;
+    sub=obj-obj1;
+    sum.display0();
+    sub.display1();
+    return 0;
+}