Java tutorial
//package com.java2s; import java.util.Collection; import java.util.Map; public class Main { public static boolean isNEmpty(Collection<?> collection) { if ((collection != null) && (collection.size() > 0)) { return true; } return false; } public static boolean isNEmpty(Map<?, ?> map) { if ((map != null) && (map.size() > 0)) { return true; } return false; } }