fork download
copy 
  1. class PrimeTest {
  2.  
  3. 	/**
  4. 	 * @param args
  5. 	 */
  6. 	public static void main(String[] args) {
  7. 		// TODO Auto-generated method stub
  8. 			printPrime(1000);
  9. 	}
  10.  
  11. 	public static boolean isPrime(int n){
  12. 		if(n<=3)
  13. 			return true;
  14.  
  15. 		if(n%2 ==0){
  16. 			return false;
  17. 		}
  18. 		else{
  19. 			for(int i=4;i<Math.sqrt(n);i++){
  20. 				if(n%i==0)
  21. 					return false;
  22. 			}
  23. 		}
  24. 		return true;
  25. 	}
  26.  
  27. 	public static void printPrime(int n) {
  28. 		int k = 0;
  29. 		for(int i=1;i<=n;i++){
  30. 			if(isPrime(i)==true){
  31. 				System.out.print(i+",");
  32. 				k++;
  33. 				System.out.print(k%10==0?"\n":"");
  34. 			}
  35.  
  36.  
  37. 		}
  38. 	}
  39.  
  40. }
  41.  
Success #stdin #stdout 0.09s 380160KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1,2,3,5,7,9,11,13,15,17,
19,21,23,25,27,29,31,33,37,39,
41,43,47,49,51,53,57,59,61,67,
69,71,73,79,81,83,87,89,93,97,
101,103,107,109,111,113,121,123,127,129,
131,137,139,141,149,151,157,159,163,167,
169,173,177,179,181,183,191,193,197,199,
201,211,213,219,223,227,229,233,237,239,
241,249,251,257,263,267,269,271,277,281,
283,289,291,293,303,307,309,311,313,317,
321,327,331,337,339,347,349,353,359,361,
367,373,379,381,383,389,393,397,401,409,
411,417,419,421,431,433,439,443,447,449,
453,457,461,463,467,471,479,487,489,491,
499,501,503,509,519,521,523,529,537,541,
543,547,557,563,569,571,573,577,579,587,
591,593,597,599,601,607,613,617,619,631,
633,641,643,647,653,659,661,669,673,677,
681,683,687,691,699,701,709,717,719,723,
727,733,739,743,751,753,757,761,769,771,
773,787,789,797,807,809,811,813,821,823,
827,829,831,839,841,843,849,853,857,859,
863,877,879,881,883,887,907,911,919,921,
929,933,937,939,941,947,951,953,961,967,
971,977,983,991,993,997,
https://ideone.com/R9JxfH
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!