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Module DEMO-33-71DEMO-OOP-33

Circle Math Preview

DEMO-OOP-33 • Object Oriented Programming

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Problem Statement

Create Main.java and CirclePreview.java. Use the Math API to print a circle summary.

Input Format

Input is given as whitespace-separated tokens in this order:

  1. circle radius

Output Format

Print the exact report in this order:

  1. Area
  2. Circumference

Sample Testcases

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Sample #1
Public sample
Input
2.0
Output
Area: 12.57
Circumference: 12.57
Explanation
Input: circle radius = 2.0.
Key calculation(s): area = Math.PI * 2.0 * 2.0 | circumference = 2 * Math.PI * 2.0 | "Area: " + String.format("%.2f", area) = "Area: 12.57".
Output:
Area: 12.57
Circumference: 12.57
Sample #2
Public sample
Input
3.5
Output
Area: 38.48
Circumference: 21.99
Explanation
Input: circle radius = 3.5.
Key calculation(s): area = Math.PI * 3.5 * 3.5 | circumference = 2 * Math.PI * 3.5 | "Area: " + String.format("%.2f", area) = "Area: 38.48".
Output:
Area: 38.48
Circumference: 21.99

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