excercise.java

package com.my.package;

import java.util.Arrays;
import java.util.Scanner;

public class Main {
    private static int[] nums = {1,4,5,7,8,9};//Some random SORTED array
    private static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        System.out.println("array ="+ Arrays.toString(nums));
        System.out.println("Give me a number:");
        int num = sc.nextInt();
        int posInArray = 0;
        boolean existsInArray;
        for(int i = 0;i < nums.length;i++){
            existsInArray = num == nums[i];
            posInArray = num > nums[i]?i+1:posInArray;
            if(existsInArray){
                posInArray = i;
                System.out.println("Element exists in array");
                break;
            }
        }
        System.out.println("Position in array is/would be "+posInArray);
    }
}