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# In java, how to get input from user?

During your math class, you are given a task to calculate the perimeter of a circle. You decide to write a small program that will take the radius as input, and will calculate and print the perimeter for you. The value for Ï (pi) is already defined. Sample Input 4 Sample Output 25.12

1 Answer

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Scanner myScanner = new Scanner(System.in);
System.out.println(2*3.14*myScanner.nextInt());