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  1. import java.util.*;
  2.  
  3.  
  4. /* Name of the class has to be "Main" only if the class is public. */
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) 
  8. 	{
  9. 		Scanner sc=new Scanner(System.in);
  10. 	double r,a,p;
  11. 	System.out.println("enter the radius");
  12. 	r=sc.nextDouble();
  13. 	a=1/2*22/7*r*r;
  14. 	p=(22/7*r)+2*r;
  15. 	System.out.println("the area="+a);
  16. 	System.out.println("permieter="+p);
  17. 	}}
  18.  
  19.  
  20.  
Success #stdin #stdout 0.17s 58900KB
comments (?)
stdin 
34
stdout 
enter the radius
the area=0.0
permieter=170.0
https://ideone.com/ROGF7G
language:
Java (12.0.1)
created:
3 days ago
visibility:
public

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