int boundSize = 1;
         int[] oldArray = new int [boundSize];
         oldArray [boundSize-1] = 0;
         boundSize = boundSize+ 1;
         int[] newArray= new int[boundSize];
         System.arraycopy(oldArray, 0, newArray, 0, oldArray.length);
         oldArray= newArray;
         oldArray [boundSize-1] = 1;
         for (int i = 0; i < oldArray.length; i++){
            System.out.println (oldArray [i]);
         }