test3

import java.util.Scanner;

class NewProgram {
    public static void main(String[] args) {
        double[] numbers;
        int size;
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter the array size : ");
        size = scanner.nextInt();

        numbers = new double[size];

        for(int i=0; i<size; i++) {
            System.out.print("Enter Number " + (i+1) + " : ");
            numbers[i] = scanner.nextDouble();
        }

        int random = (int) Math.round(Math.random() * 100);
        System.out.println("Random Number Generated = " + random);

        int index = findElement(random, numbers);

        if (index == -1) System.out.println("Random number was not found in the array.");
        else System.out.println("The random number was found at index " + index + " i.e. " + random + " was the number " + (index+1) + ".");

        System.out.println("Exiting Program ... Done.");
    }

    public static int findElement(double target, double[] numbers) {
        int i=0;

        for (double x : numbers) {
            if (x == target) return i;
            else i++;
        }

        return -1;
    }
}