?? catalogloader.java
字號:
import java.io.*;
/**
* This interface declares a method for obtaining a product catalog
* from a file.
*
* @author 張維
* @version 1.0.0
* @see Catalog
*/
public interface CatalogLoader {
/*
* Loads the information in the specified file into a product
* catalog and returns the catalog.
*
* @param filename The name of a file that contains catalog information.
* @return a product catalog.
* @throws FileNotFoundException if the specified file does not exist.
* @throws IOException if there is an error reading the information in the specified file.
* @throws DataFormatException if the file contains badly-formed data.
*/
Catalog loadCatalog(String fileName)
throws FileNotFoundException, IOException, DataFormatException;
}
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