Here you can find the source of removeAny(Collection
public static <T> T removeAny(Collection<T> collection)
//package com.java2s; //License from project: Apache License import java.util.Collection; public class Main { public static <T> T removeAny(Collection<T> collection) { T item = null;//from w ww . jav a 2 s . co m if (collection.iterator().hasNext()) item = collection.iterator().next(); return item; } }