// control/Primes.java // TIJ4 Chapter Control, Exercise 4, page 139 // Write a program that uses two nested for loops and the modulus operator (%) // to detect and print prime numbers. public class Primes { public static void main(String[] args) { for(int i = 1; i < 1000; i++ ) { int factors = 0; for(int j = 1; j < (i + 2)/2; j++ ) { if((i % j) == 0) factors++; } if(factors < 2) System.out.println(i + " is prime"); } } }