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  1. import java.util.*;
  2.  
  3. class Ideone {
  4. 	public static void main (String[] args) {
  5.         Scanner in = new Scanner(System.in);
  6.  
  7.         int[] twelveInt = new int [12];
  8.  
  9.         int countEven = 0;
  10.         int countOdd = 0;
  11.         int countNeg = 0;
  12.  
  13.         for (int i = 0; i < twelveInt.length; i++) {
  14.             System.out.println("Enter the #" + (i + 1) + " integer.");
  15.             twelveInt [i] = in.nextInt();
  16.  
  17.             if (twelveInt[i] % 2 == 0){
  18.                 countEven++;
  19.             }
  20.             if (twelveInt[i] % 2 != 0){
  21.                 countOdd++;
  22.             }
  23.             if (twelveInt[i] < 0){
  24.                 countNeg++;
  25.             }
  26.         }
  27.  
  28. // declare and initialize result arrays with correct length
  29.         int [] evens = new int [countEven];
  30.         int [] odds = new int [countOdd];
  31.         int [] negatives = new int [countNeg];
  32.  
  33. // reset counters - use them for populating the result arrays
  34.         countEven = 0;
  35.         countOdd = 0;
  36.         countNeg = 0;
  37.  
  38. // same logic, this time writing to result arays
  39.         for (int i : twelveInt) {
  40.             if (i % 2 == 0){
  41.                 evens[countEven++] = i;
  42.             }
  43.             if (i % 2 != 0){
  44.                 odds[countOdd++] = i;
  45.             }
  46.             if (i < 0){
  47.                 negatives[countNeg++] = i;
  48.             }
  49.         }
  50.  
  51.         System.out.println("evens: " + Arrays.toString(evens));
  52.         System.out.println("odds: " + Arrays.toString(odds));
  53.         System.out.println("negatives: " + Arrays.toString(negatives));
  54.  
  55. 	}
  56. }
Success #stdin #stdout 0.19s 55792KB
comments (?)
stdin
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1 2 3 4 5 -1 -3 -7 -9 -10 0 -2
stdout
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Enter the #1 integer.
Enter the #2 integer.
Enter the #3 integer.
Enter the #4 integer.
Enter the #5 integer.
Enter the #6 integer.
Enter the #7 integer.
Enter the #8 integer.
Enter the #9 integer.
Enter the #10 integer.
Enter the #11 integer.
Enter the #12 integer.
evens: [2, 4, -10, 0, -2]
odds: [1, 3, 5, -1, -3, -7, -9]
negatives: [-1, -3, -7, -9, -10, -2]
https://ideone.com/YZ6CW5
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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