[Java] Program to calculate area of Circle and display it

Define a class Circle having data members pi and radius. Initialize and display values of data members also calculate area of Circle and display it.

class Circle

{

int radius;

double PI=3.14,area;

Circle(int m)

{

radius=m;

}

void area()

{

area=PI*radius*radius;

}

void display()

{

System.out.println("Radius of circle="+radius);

System.out.println("Area of circle="+area);

}
public static void main(String args[])
{

Circle c=new Circle(10);

c.area();

c.display();

}  }

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Pankaj Gaikar

Pankaj Gaikar is a professional blogger from Pune, India who writes on Technology, Android, Gadgets, social media and latest tech updates at Punk Tech , Being Android & Shake The Tech . Email me HERE