Here you can find the source of executeUpdate(Connection dbConnection, String query)
public static int executeUpdate(Connection dbConnection, String query) throws SQLException
//package com.java2s; /*-------------------------------------------------------------------------+ | | | Copyright 2005-2011 The ConQAT 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.sql.Connection; import java.sql.SQLException; import java.sql.Statement; public class Main { /**//from w w w . j av a 2s.c o m * Executes an update query. * * @return either (1) the row count for SQL Data Manipulation Language (DML) * statements or (2) 0 for SQL statements that return nothing. */ public static int executeUpdate(Connection dbConnection, String query) throws SQLException { Statement statement = dbConnection.createStatement(); int updated = statement.executeUpdate(query); statement.close(); return updated; } }