Java List Concatenate concat(List list1, List list2)

Description

concat

License

Open Source License

Declaration

public static <T> List<T> concat(List<? extends T> list1, List<? extends T> list2) 

Method Source Code

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

import java.util.*;

public class Main {
    public static <T> List<T> concat(List<? extends T> list1, List<? extends T> list2) {
        if (list1 == null && list2 == null) {
            return null;
        }// www . j a  va 2 s.  co  m
        final List<T> result = new ArrayList<>();
        if (list1 != null)
            result.addAll(list1);
        if (list2 != null)
            result.addAll(list2);
        return result;
    }
}

Related

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3. concat(final List list1, final List list2)
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7. concat(List lista, List listb)
8. concat(List items, String quotation, String separation)
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