Here you can find the source of close(ResultSet resultSet, CallableStatement statement, Connection connection)
public static void close(ResultSet resultSet, CallableStatement statement, Connection connection)
//package com.java2s; /*/*from w w w . j a va 2 s.c om*/ Copyright (C) MARCH-2014 Pivotal Software, Inc. All rights reserved. This program and the accompanying materials are made available under the terms of the 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.CallableStatement; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class Main { public static void close(ResultSet resultSet, CallableStatement statement, Connection connection) { try { if (resultSet != null) close(resultSet); if (statement != null) close(statement); if (connection != null) close(connection); } catch (Exception e) { e.printStackTrace(); } } public static void close(ResultSet resultSet, Statement statement, Connection connection) { try { if (resultSet != null) close(resultSet); if (statement != null) close(statement); if (connection != null) close(connection); } catch (Exception e) { e.printStackTrace(); } } public static void close(ResultSet resultSet, PreparedStatement statement, Connection connection) { try { if (resultSet != null) close(resultSet); if (statement != null) close(statement); if (connection != null) close(connection); } catch (Exception e) { e.printStackTrace(); } } public static void close(ResultSet resultSet) { try { if (resultSet != null) resultSet.close(); } catch (SQLException ex) { while (ex != null) { System.out.println("SQLState: " + ex.getSQLState()); System.out.println("Message: " + ex.getMessage()); System.out.println("Vendor: " + ex.getErrorCode()); ex.printStackTrace(); ex = ex.getNextException(); System.out.println(""); } } catch (Exception e) { e.printStackTrace(); } } public static void close(Statement statement) { try { if (statement != null) statement.close(); } catch (SQLException ex) { while (ex != null) { System.out.println("SQLState: " + ex.getSQLState()); System.out.println("Message: " + ex.getMessage()); System.out.println("Vendor: " + ex.getErrorCode()); ex.printStackTrace(); ex = ex.getNextException(); System.out.println(""); } } catch (Exception e) { e.printStackTrace(); } } public static void close(PreparedStatement statement) { try { if (statement != null) statement.close(); } catch (SQLException ex) { while (ex != null) { System.out.println("SQLState: " + ex.getSQLState()); System.out.println("Message: " + ex.getMessage()); System.out.println("Vendor: " + ex.getErrorCode()); ex.printStackTrace(); ex = ex.getNextException(); System.out.println(""); } } catch (Exception e) { e.printStackTrace(); } } public static void close(CallableStatement statement) { try { if (statement != null) statement.close(); } catch (SQLException ex) { while (ex != null) { System.out.println("SQLState: " + ex.getSQLState()); System.out.println("Message: " + ex.getMessage()); System.out.println("Vendor: " + ex.getErrorCode()); ex.printStackTrace(); ex = ex.getNextException(); System.out.println(""); } } catch (Exception e) { e.printStackTrace(); } } public static void close(Connection connection) { try { if (connection != null) connection.close(); } catch (SQLException ex) { while (ex != null) { System.out.println("SQLState: " + ex.getSQLState()); System.out.println("Message: " + ex.getMessage()); System.out.println("Vendor: " + ex.getErrorCode()); ex.printStackTrace(); ex = ex.getNextException(); System.out.println(""); } } catch (Exception e) { e.printStackTrace(); } } }