Java tutorial
//package com.java2s; /* * Copyright (C) Tony Green, LitePal Framework Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.Locale; import android.text.TextUtils; public class Main { /** * Capitalize make the first letter of the word be upper case. * * @param string * The word to capitalize. * @return The word after capitalize. */ public static String capitalize(String string) { if (!TextUtils.isEmpty(string)) { return string.substring(0, 1).toUpperCase(Locale.US) + string.substring(1); } return string == null ? null : ""; } }