Java List Create createUniqueProducts(List list1, List list2)

Description

Appends the newly fetched recommendation resources (that are not already contained) to the end of the list

License

Open Source License

Parameter

Parameter	Description
existingRecommendations	existing recommendations that will get the appended data
newlyFetchedRecommendations	recommendations to be appended (if not already present)

Declaration

public static List<String> createUniqueProducts(List<String> list1,
        List<String> list2) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;

import java.util.List;

public class Main {
    /**/*from w w  w.ja  va 2s .  c  o m*/
     * Appends the newly fetched recommendation resources (that are not already contained) to the end of the list
     * @param existingRecommendations existing recommendations that will get the appended data
     * @param newlyFetchedRecommendations recommendations to be appended (if not already present)
     */
    public static List<String> createUniqueProducts(List<String> list1,
            List<String> list2) {
        List<String> uniqueList = new ArrayList<String>();

        if (list1 != null) {
            for (String recommendedProduct : list1) {
                if (!uniqueList.contains(recommendedProduct)) {
                    uniqueList.add(recommendedProduct);
                }
            }
        }

        if (list2 != null) {
            for (String recommendedProduct : list2) {
                if (!uniqueList.contains(recommendedProduct)) {
                    uniqueList.add(recommendedProduct);
                }
            }
        }

        return uniqueList;
    }
}

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