Introduction

In this demo I have used NetBeans IDE 8.2 for debugging purpose. But you can use any java programming language compiler as per your availability..

public class Javaexcercise {
  public static boolean contains(int[] arr, int item) {
      for (int num : arr) {
         if (item == num) {
            return true;
         }
      }
      return false;
   }
   public static void main(String[] args) {
          int[] my_array1 = {1,2,3,4,5,6,7,8,9,10};
      System.out.println(contains(my_array1, 10));
      System.out.println(contains(my_array1, 20));
   }
}

Result