Java tutorial
//package com.java2s; import java.util.Collection; import java.util.List; public class Main { public static <T> void removeLast(List<T> list) { if (!isNullOrEmpty(list)) list.remove(list.size() - 1); } public static <T> boolean isNullOrEmpty(Collection<T> collection) { return null == collection || collection.isEmpty(); } }