Java tutorial
//package com.java2s; /* * Copyright (C) 2011-2015 Markus Junginger, greenrobot (http://greenrobot.de) * * 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. */ public class Main { /** Creates SELECT COUNT(*) with a trailing space. */ public static String createSqlSelectCountStar(String tablename, String tableAliasOrNull) { StringBuilder builder = new StringBuilder("SELECT COUNT(*) FROM "); builder.append('"').append(tablename).append('"').append(' '); if (tableAliasOrNull != null) { builder.append(tableAliasOrNull).append(' '); } return builder.toString(); } }