Here you can find the source of closeConnection(Closeable... closes)
static public void closeConnection(Closeable... closes)
//package com.java2s; /*//from www . j a v a 2s . co m * Copyright (C) 2014 a5834099147(lxd) <a5834099147@126.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.io.Closeable; import java.io.IOException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; public class Main { static public void closeConnection(Closeable... closes) { for (Closeable close : closes) { try { if (close != null) { close.close(); } } catch (IOException e) { e.printStackTrace(); } } } public static void closeConnection(Connection... connections) { for (Connection close : connections) { if (close != null) { try { close.close(); } catch (SQLException e) { e.printStackTrace(); } } } } public static void closeConnection(PreparedStatement... statement) { for (PreparedStatement close : statement) { if (close != null) { try { close.close(); } catch (SQLException e) { e.printStackTrace(); } } } } public static void closeConnection(ResultSet... resultSet) { for (ResultSet close : resultSet) { if (close != null) { try { close.close(); } catch (SQLException e) { e.printStackTrace(); } } } } }