HelloWorld of Hibernate with Native API

 <dependencies>

     <dependency>

          <groupId>org.hibernate</groupId>

          <artifactId>hibernate-core</artifactId>

          <version>4.3.5.Final</version>

          <type>jar</type>

          <scope>compile</scope>

     </dependency>

     <dependency>

          <groupId>mysql</groupId>

          <artifactId>mysql-connector-java</artifactId>

          <version>5.1.30</version>

     </dependency>

</dependencies>

public class Event {

     private Long id;

     private String title;

     private Date date;

     public Event() {

          // this form used by Hibernate

     }

     public Event(String title, Date date) {

          // for application use, to create new events

          this.title = title;

          this.date = date;

     }

... getters and setters

}

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC

        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="org.iridium.hlearning.entity">

    <class name="Event" table="EVENTS">

        <id name="id" column="EVENT_ID">

            <generator class="increment"/>

        </id>

        <property name="date" type="timestamp" column="EVENT_DATE"/>

        <property name="title"/>

    </class>

</hibernate-mapping>

<!DOCTYPE hibernate-configuration PUBLIC

     "-//Hibernate/Hibernate Configuration DTD 3.0//EN"

     "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

     <session-factory>

          <property name="dialect">org.hibernate.dialect.MySQLInnoDBDialect</property>

          <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

          <property name="connection.url">jdbc:mysql://localhost:3306/hlearning?useUnicode=true&amp;characterEncoding=UTF-8</property>

          <property name="connection.username">pis</property>

          <property name="connection.password">123456</property>

          <property name="show_sql">true</property>

          <property name="generate_statistics">true</property>

          <property name="current_session_context_class">jta</property>   

          <property name="hbm2ddl.auto">create</property>         

          <mapping resource="org/iridium/hlearning/entity/Event.hbm.xml"/>

     </session-factory>

</hibernate-configuration>

public class HelloWorld {

     public static void main(String[] args) {

          SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory(); //注1

          Session session = sessionFactory.openSession();

          session.beginTransaction();

          session.save(new Event("Our very first event! 第一条记录", new Date()));

          session.save(new Event("A follow up event! 第二条记录", new Date()));

          session.getTransaction().commit();

          session.close();

          session = sessionFactory.openSession();

          session.beginTransaction();

          List result = session.createQuery(" from Event").list();

          for (Event event: (List<Event>) result) {

               System.out.println("Event (" + event.getDate() + "): " + event.getTitle());

          }

          session.getTransaction().commit();

          session.close();

     }

}

new Configuration().configure("/confs/hibernate.cfg.xml")

@Entity

@Table(name = "EVENTS")

public class Event {

     private Long id;

     private String title;

     private Date date;

     public Event() {

          // this form used by Hibernate

     }

     public Event(String title, Date date) {

          // for application use, to create new events

          this.title = title;

          this.date = date;

     }

     @Id

     @GeneratedValue(strategy = GenerationType.AUTO)

     @Column(name = "EVENT_ID")

     public Long getId() {

          return id;

     }

     private void setId(Long id) {

          this.id = id;

     }

     @Column(name="EVENT_DATE")

     public Date getDate() {

          return date;

     }

// ... other getters and setters

}

<mapping resource="org/iridium/hlearning/entity/Event.hbm.xml"/>

<mapping class="org.iridium.hlearning.entity.Event"/>

// contained in HelloWorld.java

    Configuration cfg = new Configuration()

//        .addClass(org.iridium.hlearning.entity.Event.class)

        .addAnnotatedClass(org.iridium.hlearning.entity.Event.class)

        .setProperty("hibernate.connection.dialect", "org.hibernate.dialect.MySQLInnoDBDialect")

        .setProperty("hibernate.connection.driver_class", "com.mysql.jdbc.Driver")

        .setProperty("hibernate.connection.url", "jdbc:mysql://localhost:3306/hlearning?useUnicode=true&characterEncoding=UTF-8")

        .setProperty("hibernate.connection.username", "pis")

        .setProperty("hibernate.connection.password", "123456")

        .setProperty("hibernate.show_sql", "true")

        .setProperty("hibernate.generate_statistics", "true")

        .setProperty("hibernate.current_session_context_class", "jta")

        .setProperty("hibernate.hbm2ddl.auto", "create");

    SessionFactory sessionFactory = cfg.buildSessionFactory();

// ...