public class SequentialSearchClass {

  static void SequentialSearch(int[] InputArray, int InputTarget) {
    int index = -1;

    for (int i = 0; i < InputArray.length; i++) {
      if (InputArray[i] == InputTarget) {
        index = i;
        break;
      }

    }

    if (index == -1) {
      System.out.println("Your target integer does not exist in the array");
    } else {
      System.out.println("Your target integer is in index " + index + " of the array");
    }
 
  }

  public static void main(String[] args) {
    int[] ExampleArray = {2, 9, 6, 7, 4, 5, 3, 0, 1};
    int ExampleTarget = 4;
    SequentialSearch(ExampleArray, ExampleTarget);
  }


}