Multiple data enter into database using hibernate

Employee.java

package dataent;

public class Employee {  

private int id;  

private String firstName,lastName;  

 

public int getId() {  

   return id;  

}  

public void setId(int id) {  

   this.id = id;  

}  

public String getFirstName() {  

   return firstName;  

}  

public void setFirstName(String firstName) {  

   this.firstName = firstName;  

}  

public String getLastName() {  

   return lastName;  

}  

public void setLastName(String lastName) {  

   this.lastName = lastName;  

}  

 

 

}  

StoreData.java

package dataent;

import java.util.Scanner;

import org.hibernate.Session;  

import org.hibernate.SessionFactory;  

import org.hibernate.Transaction;  

import org.hibernate.cfg.Configuration;  

  

public class StoreData {  

public static void main(String[] args) 

{

        

    Configuration cfg=new Configuration();  

    cfg.configure("hibernate.cfg.xml");

      

    

    SessionFactory factory=cfg.buildSessionFactory();  

      

    

    Session session=factory.openSession();  

      

    Transaction t=null;

     

     int i; 

     Employee e1=new Employee();

    

    for(i=1;i<=10;i++)

    {

    t=session.beginTransaction(); 

    e1=new Employee();

        e1.setId(i);

        System.out.println("Enter first name");

        Scanner sc=new Scanner(System.in);

        String fn=sc.next();

        System.out.println("Enter last name");

        Scanner sc1=new Scanner(System.in);

        String ln=sc1.next();

        e1.setFirstName(fn);  

        e1.setLastName(ln);

        

        session.persist(e1);

        t.commit();         

    }

    session.close();  

      

    System.out.println("successfully saved");  

      

}  

}  

employee.hbm.xml

<?xml version='1.0' encoding='UTF-8'?>  

<!DOCTYPE hibernate-mapping PUBLIC  

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

 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">  

  

 <hibernate-mapping>  

  <class name="dataent.Employee" table="data1000">  

    <id name="id">  

     <generator class="assigned"></generator>  

    </id>  

            

    <property name="firstName"></property>  

    <property name="lastName"></property>  

            

  </class>  

            

 </hibernate-mapping>

hibernate.cfg.xml

<?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="hbm2ddl.auto">update</property>  

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

        <property name="connection.url">jdbc:oracle:thin:@localhost:1521:xe</property>  

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

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

        <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>  

    <mapping resource="employee.hbm.xml"/>  

    </session-factory>  

  

</hibernate-configuration>