Find the Area of a Circle – Java Program

Area of a circle = πR2

Where π = 3.14 and R = radius of circle
Area Of Circle
Example:

Radius = 4.0
Area = π*radius*radius = 3.14*4*4 = 50.24

Code:

Output:

Area of circle with radius=4.0 is: 50.24

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If you find anything incorrect or you feel that there is any better approach to solve the above problem, please write comment.
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  • lipsa patel

    Area is calculated incorrectly

    double area = 2*pi*radius;

    should be

    double area = pi * radius * radius

    and the Out put should be 50.24 instead of 25.12

    • tutorialhorizon

      Thanks Lipsa. We have modified the code

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