Here you can find the source of isAnyStringEmpty( Collection
public final static boolean isAnyStringEmpty( Collection<String> collection)
//package com.java2s; //License from project: LGPL import java.util.Collection; import android.text.TextUtils; public class Main { public final static boolean isAnyStringEmpty(String[] array) { if (array == null || array.length <= 0) return false; for (String elem : array) { if (TextUtils.isEmpty(elem)) return true; }//from w ww . j ava 2 s. com return false; } public final static boolean isAnyStringEmpty( Collection<String> collection) { if (collection == null || collection.isEmpty()) return false; for (String elem : collection) { if (TextUtils.isEmpty(elem)) return true; } return false; } }