package com.rosenet.pojo;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;


public class FirstExample {
   
  public static void main(String[] args) {
    
    Session session = null;
    try{
       
       // This step will read hibernate.cfg.xml and prepare hibernate for use

        System.out.println("I am here");
       SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
       session = sessionFactory.openSession();
       
       //Create new instance of Contact and set values in it by reading them from form object

        System.out.println("Inserting Record");
        Contact contact = new Contact();
        contact.setId(3);
        contact.setFirstName("Riaz");
        contact.setLastName("Uddin");
        contact.setEmail("ruuddin@yahoo.com");
       
        session.save(contact);
       
       
        System.out.println("Done");
       
    }catch(Exception e){
      System.out.println(e.getMessage());
    }finally{
      // Actual contact insertion will happen at this step
      session.flush();
      session.close();

      }
  }
}

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
<session-factory>
      <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
      <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/samepageinfosol</property>
      <property name="hibernate.connection.username">localhost</property>
      <property name="hibernate.connection.password"></property>
      <property name="hibernate.connection.pool_size">10</property>
      <property name="show_sql">true</property>
      <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
   <property name="hibernate.hbm2ddl.auto">update</property>
      <!-- Mapping files -->
      <mapping resource="contact.hbm.xml"/>
</session-factory>
</hibernate-configuration>

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
  <class name="com.rosenet.pojo.Contact" table="contact">
   <id name="id" type="long" column="id" >
   <generator class="assigned"/>
  </id>

  <property name="firstName">
     <column name="first_name" />
  </property>
  <property name="lastName">
    <column name="last_name"/>
  </property>
  <property name="email">
    <column name="email"/>
  </property>
</class>
</hibernate-mapping>