Java List First Item firstItem(Iterable list)

Description

Provides the first item of the given list.

License

Open Source License

Parameter

Parameter	Description
list	the list. May be <code>null</code>.

Return

the first list item or null if the list was empty or null.

Declaration

public static <T> T firstItem(Iterable<T> list) 

Method Source Code

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

import java.util.Iterator;

public class Main {
    /**//from w  ww .  j  a  va 2s  .  c  o m
     * Provides the first item of the given list.
     *
     * @param list the list. May be <code>null</code>.
     * @return the first list item or <code>null</code> if the list was empty or <code>null</code>.
     */
    public static <T> T firstItem(Iterable<T> list) {
        if (list != null) {
            Iterator<T> i = list.iterator();
            if (i.hasNext()) {
                return i.next();
            }
        }

        return null;
    }
}

Related

1. first(List list)
2. first_nItems(int n, Collection fromList)
3. firstBoolean(List list)
4. firstColumnRemovable(List data)
5. firstElement(List list)
6. firstItem(List items)
7. firstMatch(List src, String... lookup)
8. firstObjectFromList(List list)
9. firstOrDefault(List items)