Java tutorial
//package com.java2s; //License from project: Apache License import android.text.TextUtils; import java.util.List; import java.util.Map; public class Main { public static String hideName(String string) { if (!TextUtils.isEmpty(string)) { int length = string.length(); if (length > 1) { string = string.substring(0, 1); string = string + (length > 2 ? "**" : "*"); } } return string; } /** * List Map Object is Empty * @param object Object * @return boolean */ public static boolean isEmpty(Object object) { if (object instanceof List) { return ((List) object).size() < 1; } else if (object instanceof Map) { return ((Map) object).size() < 1; } return object == null; } }