flowchart dan netbeans bilangan prima

/*

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package riezal;

import java.util.Scanner;

/**

 *

 * @author TOSHIBA

 */

public class Bilangan_prima {

    public static void main(String[] args) {

       int n;

        System.out.println("\n Masukkan Angka yang akan diuji = ");

        Scanner input = new Scanner (System.in) ;

        n = input.nextInt();

        boolean isPrime = false;

    if (n >= 2) {

        isPrime = true;

       for (int z = 2; z < n; z++) {

        if (n % z== 0) {

                isPrime = false;

            }

        }

    }

    System.out.println("the answer is " + isPrime);

}

}