primenumbers.java

//prints all prime numbers from 1 to 100

class PrimeNumbers{
     public static void main(String[] args){
           
           for(int i = 1; i < 100; ++i){//no. to test
               boolean isPrime = true;
               for(int j = 1; j < 100; ++j){
                  if(j != 1 && j != i){//don't divide by one or itself
                  
                     if(i%j != 0)//not divisible
                     {
                        isPrime = isPrime && true;
                     }
                     else
                     {
                        isPrime = isPrime && false;
                     }
                  }//end of if
               }//inner for
                if(isPrime)
                     System.out.println(i);//print
           }//outer for
     }//end of main
}//end of class definition