01. Example:
import java.util.*; class printPrimeNumbers { public static void main(String args[]) { int N, status = 1, number = 3; Scanner input = new Scanner(System.in); System.out.println("Enter Integer The How Many Prime Number: "); N = input.nextInt(); if (N >= 1) { System.out.print("First " + N + " Prime Numbers Are : "); System.out.print(2); } for (int counter = 2; counter <= N;) { for (int j = 2; j <= Math.sqrt(number); j++) { if (number % j == 0) { status = 0; break; } } if (status != 0) { System.out.print(" " + number); counter++; } status = 1; number++; } } }
Output:
Enter Integer The How Many Prime Number: 10
First 10 Prime Numbers Are : 2 3 5 7 11 13 17 19 23 29