simple program for CallableStatement statement to execute stored procedure

package com.java2novice.jdbc;

 

import java.sql.CallableStatement;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

 

public class MySimpleCallableStatement {

     

    public static void main(String a[]){

         

        Connection con = null;

        CallableStatement callSt = null;

        try {

            Class.forName("oracle.jdbc.driver.OracleDriver");

            con = DriverManager.

                getConnection("jdbc:oracle:thin:@<hostname>:<port num>:<DB name>"

                    ,"user","password");

            callSt = con.prepareCall("{call myprocedure(?,?)}");

            callSt.setInt(1,200);

            callSt.setDouble(2, 3000);

            callSt.execute();

            System.out.println("Executed stored procedure!!!");

        } catch (ClassNotFoundException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (SQLException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } finally{

            try{

                if(callSt != null) callSt.close();

                if(con != null) con.close();

            } catch(Exception ex){}

        }

    }

}