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PrimeDirective.java

import java.util.ArrayList;

class PrimeDirective {
  
  // Add your methods here:
  public boolean isPrime(int number){
if (number == 2){
  return true;
} else if (number < 2){
  return false;
}
for (int i = 2; i < number; i++){
if (number % i == 0) {
  return false;
} else if (number % 3 == 0) {
  return false;
} 
} 
return true;
  }



  //new method for making list of primes
  public ArrayList<Integer> onlyPrimes(int[] numbers){
ArrayList<Integer> primes = new ArrayList<Integer>;
for (int number : numbers){
  if (isPrime(number)){
    primes.add(number);
  }
}
return primes;
}
 
  





  public static void main(String[] args) {

    PrimeDirective pd = new PrimeDirective();
    int[] numbers = {6, 29, 28, 33, 11, 100, 101, 43, 89};
System.out.println(pd.onlyPrimes(numbers));
  }  

}