Program
package com.candidjava;
import java.util.Scanner;
public class PrimeNumberUptoN
{
private static double a;
public static void main(String args[])
{
int number = 2;
int count = 0;
double sum = 0;
Scanner sc = new Scanner(System.in);
System.out.println("The number n is");
int n = sc.nextInt();
while (count < n)
{
if (isPrimeNumber(number))
{
System.out.print(number+" ");
sum += number;
a++;
count++;
}
number++;
}
System.out.println("\n Sum = "+sum);
double average = (sum / a);
System.out.println("\n Average = "+average);
}
private static boolean isPrimeNumber(int number)
{
for (int i = 2; i <= number / 2; i++)
{
if (number % i == 0)
{
return false;
}
}
return true;
}
}