productscollection.java

来自「ssd3 java编程 EXAM1 原样上传即可」· Java 代码 · 共 28 行

import java.io.*;
import java.util.*;


public class ProductsCollection {
	private String filename;
	private Catalog catalog; 
	private Vector ProductsCollection;
	public ProductsCollection (
			String filename,  Catalog catalog)  
	throws FileNotFoundException, 
	IOException, 
	DataFormatException{
		this.filename = filename;
		this.catalog = catalog;
	} 
	public boolean contains (Product product){
		for(Product product1 : ProductsCollection){
			if(product1.equals(product)){
				return true;
			}else return false;
		}
	}

	

}