public class Department
{
    private int deptID;
    private String deptName;
    private int manager;
    private String address;
   //getters and setters........
}

<hibernate-mapping package="com.tt.orm">
  <class name="com.tt.orm.Department" table="department">
    <id name="deptID" column="DeptID" >
        <generator  class="increment"/>
    </id>
    <property name="deptName"/>
    <property name="manager"/>
    <property name="address"/>
  </class>
</hibernate-mapping>

public static void main(String[] args)
    {
        SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();

        Session session = sessionFactory.openSession();

        session.beginTransaction();
        Department dept = new Department();
        //dept.setDeptID(3);
        dept.setAddress("test1 address");
        dept.setDeptName("HR1-1");

        session.save(dept);

        session.getTransaction().commit();
        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">org.gjt.mm.mysql.Driver</property>
        <property name="hibernate.connection.password">root</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/testmysql</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>
       
        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
      <property name="hibernate.default_schema"></property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Drop and re-create the database schema on startup -->
        <property name="hbm2ddl.auto">create</property>

        <mapping resource="DepartmentMapping.hbm.xml"/>
        <!-- mapping resource="EmployeeMapping.hbm.xml"/-->
       
    </session-factory>
</hibernate-configuration>