public static void main(String[] args) {
      
      Session session = null;

      try{
         
         SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
          session =sessionFactory.openSession();
            System.out.println("creating table done!");
                Person person= new Person();
                person.setNationalNumber(12345);
                person.setFamily("A");
                person.setName("M");
                person.setLocation("Tehran");
               
                session.save(person);
                      
      }catch(Exception e){
         System.out.println(e.getMessage());
      }
      finally{
         
         session.flush();
         session.close();

         }
      
   }

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//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/hibernatetest</property>
      <property name="hibernate.connection.username">root</property>
      <property name="hibernate.connection.password"></property>
      <property name="hibernate.connection.pool_size">10</property>
      <property name="show_sql">true</property>
      <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
      <property name="hibernate.hbm2ddl.auto">update</property>
      <!-- Mapping files -->
      <mapping resource="Person.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">
<!-- Generated Jun 15, 2011 2:03:10 PM by Hibernate Tools 3.4.0.CR1 -->


<hibernate-mapping>

    <class name="domain.Person" table="PERSON">
        <id name="nationalNumber" type="int" column="NATIONALNUMBER">
           <generator class="increment"/>
        </id>
        <property name="name" type="java.lang.String">
            <column name="NAME" />
        </property>
        <property name="family" type="java.lang.String">
            <column name="FAMILY" />
        </property>
        <property name="location" type="java.lang.String">
            <column name="LOCATION" />
        </property>
       
       
       
    </class>
</hibernate-mapping>

...
catch(Exception e) {
  e.printStackTrace(); // instead of System.out.println(e.getMessage());
}
...

<property name="hibernate.query.substitutions">true 1, false 0</property>