TestConnectToMoreThanOneDatabase.java Source code

Introduction

Here is the source code for TestConnectToMoreThanOneDatabase.java

Source

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class TestConnectToMoreThanOneDatabase {

    public static Connection getOracleConnection() throws Exception {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@localhost:1521:scorpian";
        String username = "userName";
        String password = "pass";
        Class.forName(driver); // load Oracle driver
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static Connection getMySqlConnection() throws Exception {
        String driver = "org.gjt.mm.mysql.Driver";
        String url = "jdbc:mysql://localhost/tiger";
        String username = "root";
        String password = "root";
        Class.forName(driver); // load MySQL driver
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static void main(String[] args) {

        Connection oracleConn = null;
        Connection mysqlConn = null;
        try {
            oracleConn = getOracleConnection();
            mysqlConn = getMySqlConnection();
            System.out.println("oracleConn=" + oracleConn);
            System.out.println("mysqlConn=" + mysqlConn);
        } catch (Exception e) {
            // handle the exception
            e.printStackTrace();
            System.exit(1);
        } finally {
            // release database resources
            try {
                oracleConn.close();
                mysqlConn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}