Create Array with Unique Value : Array « Date Type « Android

1. Android
2. Date Type
3. Array

Create Array with Unique Value

  

import java.util.Random;

class Main {
  final public static int[] createArrayWithUniqueValues(final int min,
      final int max, final int count) {

    int numFulfilled = 0;
    int[] fulfilled = new int[count];
    Random r = new Random();
    while (numFulfilled < count) {
      int candidate = r.nextInt(max) + min;
      if (!contains(fulfilled, numFulfilled, candidate)) {
        fulfilled[numFulfilled] = candidate;
        numFulfilled++;
      }
    }

    return fulfilled;
  }

  final public static int[] createAndFillArrayWithUniqueValues(final int min,
      final int max) {
    int count = max - min + 1;
    return createArrayWithUniqueValues(min, max, count);

  }

  final public static boolean contains(final int[] a, final int candidate) {
    return contains(a, a.length, candidate);
  }

  final private static boolean contains(final int[] a, final int numItems,
      final int candidate) {
    for (int i = 0; i < numItems; i++) {
      if (candidate == a[i])
        return true;
    }
    return false;
  }

}

   
    
  

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