import com.company.project.Book.BookOperation;
// TODO : fill this with the necessary business logic
 throw new java.lang.UnsupportedOperationException( "Please implement " 
    	 + this .getClass().getName() + "#nextBook" );  Replace the appropriate 
                     		  throw statement with the appropriate 
                     		  return statement. 
                     		  
                     public com.company.project.booklegacy.BookReturnE nextBook(
			com.company.project.booklegacy.StockNoE stockNon) {
		return BookOperation.nextBook(stockNon);
	}
	public com.company.project.booklegacy.BookReturnE readBook(
			com.company.project.booklegacy.StockNoE stockNon) {
		return BookOperation.readBook(stockNon);
	}
	public com.company.project.booklegacy.BookReturnE deleteBook(
			com.company.project.booklegacy.StockNoE stockNon) {
		return BookOperation.deleteBook(stockNon);
	}
	public com.company.project.booklegacy.BookReturnE addBook(
			com.company.project booklegacy.NewBook newBook) {
		return BookOperation.addBook(newBook);
} 
                     		Everything builds cleanly.