java program to generate prime number 

package com.javabasic.primenumbergenration;
public class PrimeNumberGenration {
 public static void main(String[] args) {
  int max = 100;
  System.out.println("prime numbers from 2 to 100 is..");
  for (int i = 2; i < max; i++) {
   boolean isPrimeNumber = true;
   for (int j = 2; j < i; j++) {
    if (i % j == 0) {
     isPrimeNumber = false;
     break;
    }
   }
   if (isPrimeNumber) {
    System.out.print(i + " ");
   }
  }
 }
}
output
prime numbers from 2 to 100 is
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97