📄 productscollection.java
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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;
}
}
}
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