Question

Create a java program that with an integer array that has ten numbers in it.

Ask the user for an integer. Search your array and if found it tell them at what position it was found. If not found tell them the number was not found.

Answer 1

import java.util.Scanner;

public class LinearSearchInts {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int nums[] = new int[10];

        System.out.println("Enter 10 integers:");
        for(int i = 0;i<10;i++){
            nums[i] = scanner.nextInt();
        }

        System.out.print("Enter integer to search in the array: ");
        int key = scanner.nextInt();

        int ind = -1;
        for(int i = 0;i<nums.length;i++){
            if(nums[i]==key){
                ind = i;
                break;
            }
        }

        if(ind == -1){
            System.out.println(key+" NOT found in the array");
        }
        else {
            System.out.println(key + " found in the array at index "+ind);
        }
    }
}