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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone{
  9. 	public static void main (String[] args){
  10. 		Scanner sc = new Scanner(System.in);
  11. 		double side = sc.nextDouble();
  12.  
  13. 		double area = side * side;
  14. 		System.out.println(area);
  15.  
  16. 	}
  17. }
Success #stdin #stdout 0.13s 60004KB
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3.5
stdout
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12.25
https://ideone.com/79vv5z
language:
Java (HotSpot 12)
created:
8 hours ago
visibility:
public

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