Friday 1 April 2016

Chapter 1 Exercise 8, Introduction to Java Programming, Tenth Edition Y. Daniel LiangY.

(Area and perimeter of a circle) Write a program that displays the area and perimeter of a circle that has a radius of 5.5 using the following formula:

public class Exercise_08 {

    private static final double radius = 5.5;

    public static void main(String[] args) {

        double perimeter = 2 * radius * Math.PI;
        double area = radius * radius * Math.PI;

        System.out.println("Perimeter = " + perimeter);
        System.out.println("Area = " + area);
    }
}

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