class Power {

   static int power(int i, int j ) {
      // compute i^j
      int k = 1 ;
      // L.I. k = i^l, where l is number times through loop
      while ( j>0 ) {
         k = k * i ;
         j-- ;
      }
      // Termination, went through loop j times
      // L.I. + Terminatation => k = i^j
      return k ;
   }

   public static void main( String [] args ) {
      int i = 3;
      int j = 4 ;
      System.out.println(i+" to the power "+j+" equals "+power(i,j) ) ;
   }

}