Java by API/javax.sql/DataSource

DataSource: getConnection()

   <source lang="java">

/*

* */

import java.sql.Connection; import javax.naming.InitialContext; import javax.sql.DataSource; public class Main {

 public static void main(String[] args) throws Exception {
   String dsn = args[0];
   System.out.println("Attempting to connect to " + dsn);
   try {
     System.out.println("Initializing the naming context...");
     InitialContext init = new InitialContext();
     System.out.println("Looking up " + dsn);
     DataSource source = (DataSource) init.lookup(dsn);
     System.out.println("Establishing a connection...");
     Connection connection = source.getConnection();
     System.out.println("Connect to " + connection.getCatalog() + " a success!");
   } catch (Exception e) {
     e.printStackTrace();
   }
 }

}

      </source>