Showing posts sorted by date for query Hibernate. Sort by relevance Show all posts
Showing posts sorted by date for query Hibernate. Sort by relevance Show all posts

Wednesday, November 6, 2019

Most Important Java Interview Questions

 Java Interview Questions

Most Important Java Interview Questions

Core Java, JDBC, Spring, Hibernate, Servlet, JSP Interview Questions



Wednesday, October 16, 2019

Fetch the Data from Database using Hibernate Query


Fetch the Data from Database using Hibernate Query


Here we are going to fetch the data of table emp1000 from the database using hibernate Query


Prerequisite: Hibernate libraries and ojdbc.jar already linked to the project.(Hibernate save data example)





 Employees.java


package com.studyskymate.hib;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

//POJO
@Entity
@Table(name = "emp1000")
public class Employees {

     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     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;
     }
}



2.        TestHibernate2.java

package com.studyskymate.hib;

import java.util.List;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistry;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.query.Query;

public class TestHibernate2 {

      public static void main(String[] args) {


StandardServiceRegistry ssr = new StandardServiceRegistryBuilder().configure("hibernate.cfg.xml").build();

Metadata meta = newMetadataSources(ssr).getMetadataBuilder().build();

SessionFactory factory = meta.getSessionFactoryBuilder().build();

            Session session = factory.openSession();

            Transaction t = session.beginTransaction();
        
           
            //Here this query will fetch data from Employees Table
            Query q = session.createQuery("from Employees");

            //fetching list of Employees class objects
            List<Employees> list = q.list();

            //if list has data then iterate
            if (list != null && !list.isEmpty()) {

                  //iterate over list and fetch Employee Data
      
            for (Employees e : list) {

                System.out.println("Id: " + e.getId());
                System.out.println("Name: " +
                e.getFirstName() + " " +e.getLastName());

                  }
            }

           factory.close();
           session.close();
     }
}

Thursday, June 27, 2019

Hibernate demo by using XML

Hibernate Demo by using XML

Hibernate is ORM (Object Relational Mapping) tool which makes your task easy to interact with the database.

You can control the Database manipulation tasks from Hibernate. 


Create a Digital Clock using HTML and JavaScript

Create a Digital Clock using HTML and JavaScript  <! DOCTYPE html> < html > < head > <...

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