Here you can find the source of executeQuery(Connection connection, String query)
public static void executeQuery(Connection connection, String query) throws SQLException
//package com.java2s; /*//w w w . java 2 s . c o m * The MIT License * * Copyright (c) 2015, Mahmoud Ben Hassine (mahmoud@benhassine.fr) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import java.sql.Connection; import java.sql.SQLException; import java.sql.Statement; public class Main { public static void executeQuery(Connection connection, String query) throws SQLException { Statement statement = connection.createStatement(); int i = statement.executeUpdate(query); if (i == -1) { System.err.println("database error : " + query); } statement.close(); } }