PrimeNumber.java

package Assignment2;

import java.util.Scanner;

public class PrimeNumber {


        public static void main(String args[]) {
            int i, s, j, p;
            int arr[] = new int[100];
            Scanner sc = new Scanner(System.in);
            System.out.print("Enter size of an array:");
            s = sc.nextInt();
            System.out.print("Enter array elements:");
            for (i = 0; i < s; i++) {
                arr[i] = sc.nextInt();
            }
            System.out.println("All prime numbers are:");
            for (i = 0; i < s; i++)
            {
                j = 2;
                p = 1;
                while (j < arr[i])
                {
                    if (arr[i] % j == 0)
                    {
                        p = 0;
                        break;
                    }
                    j++;
                }
                if (p == 1)
                {
                    System.out.print(" " + arr[i]);
                }
            }
        }
    }