Java Collection First getFirst(Collection collection)

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Description

get First

License

Apache License

Declaration 

public static <T> T getFirst(Collection<T> collection)

Method Source Code


//package com.java2s;
//License from project: Apache License 

import java.util.*;

public class Main {

    public static <T> T getFirst(Collection<T> collection) {
        if (isEmpty(collection)) {
            return null;
        }//from  w  w w . j  a v a 2  s. c o  m

        return collection.iterator().next();
    }

    public static boolean isEmpty(Collection collection) {
        return ((collection == null) || collection.isEmpty());
    }
}

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