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  1. class Try{
  2.  
  3. 	public static void main(String args[]){
  4. 		int[] collection = new int[6];
  5.  
  6. 		collection[0] = 8;
  7. 		collection[1] = 2;
  8. 		collection[2] = 4;
  9. 		collection[3] = 2;
  10. 		collection[4] = 21;
  11. 		collection[5] = 3;
  12.  
  13. 		Random rnd = new Random();
  14. 		int[] result = new int[4];
  15. 		boolean exist = false;
  16.  
  17. 		int r, temp;
  18. 		r = rnd.get( 5 );
  19. 		System.out.println("r = "+r); 
  20.  
  21. 		//losowanie indeksu do tablicy collection[]
  22.  		temp = collection[r];
  23.  
  24. 		for(int i = 0; i<6; i++)
  25. 		{
  26. 			//sprawdzanie czy tej wartosci juz nie ma w tablicy result
  27. 			if(temp == result[i]){
  28. 				exist = true;
  29. 				r = rnd.get( 5 );
  30. 				break;
  31. 			}
  32. 			if(exist == false){
  33.  				result[i] = temp;
  34.  				r = rnd.get( 5 );
  35.  			}
  36. 		}
  37.  
  38. 	}
  39.  }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:13: error: cannot find symbol
		Random rnd = new Random();
		^
  symbol:   class Random
  location: class Try
Main.java:13: error: cannot find symbol
		Random rnd = new Random();
		                 ^
  symbol:   class Random
  location: class Try
2 errors
stdout
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Standard output is empty
https://ideone.com/kItRw1
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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