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Wednesday, December 16, 2015


Area and Circumference of a Circle:


import java.util.Scanner;class Circle
{
   static Scanner sc = new Scanner(System.in);
   public static void main()
   {
      System.out.print("Enter the radius: ");
      double radius = sc.nextDouble();
      //Area = PI*radius*radius
      double area = Math.PI * (radius * radius);
      System.out.println("The area of circle is: " + area);
      //Circumference = 2*PI*radius
      double circumference= Math.PI * 2*radius;
      System.out.println( "The circumference of the circle is:"+circumference) ;
   }
}


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