Is array Consecutive Numbers - Java Algorithm

Java examples for Algorithm:Array

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Description

Is array Consecutive Numbers

Demo Code



public class Main {

  public static boolean consecutiveNumber(int arr[]) {
    int i, j;//from w ww.  j  a  v a2  s .  c om
    boolean flag = false;
    for (i = 0; i < arr.length - 1; i++) {
      if (Math.abs(arr[i] - arr[i + 1]) == 1) {
        System.out.println("Compare: " + "arr[i+1]: " + arr[i + 1] + " arr[i] :" + arr[i]);
        flag = true;
      }

      else {
        System.out.println("False " + "arr[i+1]: " + arr[i + 1] + " arr[i] :" + arr[i]);
        return flag = false;

      }
    }

    return flag;
  }

  public static void main(String args[]) throws Exception {
    int[] Array = new int[] { 1, 2, 3 };

    boolean result = consecutiveNumber(Array);
    if (result == true) {
      System.out.print("True");
    } else
      System.out.print("False");

  }
}

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