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EJB Fundamentals

Hibernate

  1. Advantage of Hibernate over JDBC
  2. Hibernate Setup with an web Application
  3. First Hibernate Application
  4. Hibernate mapping with Database TABLE
  5. Hibernate Data Type-Java Data Type - SQL Data Type mapping
  6. One to Many Relation in Hibernate
  7. One to Many Relation in Hibernate bi-directional
  8. Many to Many Relation in Hibernate
  9. HQL: The Hibernate Query Language
  10. Criteria Queries
  11. Criteria Queries : Equal (eq), Not Equal(ne), Less than (le), greater than (gt),greater than or equal(ge) and Ordering the results
  12. Criteria Queries: And OR conditions
  13. Hibernate generator to generate id (primary key)
  14. prevent concurrent update in Hibernate,slate object updatation in Hibernate,version checking in Hibernate

    Struts


  1. Model View Controller (MVC)
  2. Model View Controller (MVC)
  3. Struts Flow-How Struts Works?
  4. Struts Tutorial - Struts Setup- First Struts Action class setup
  5. Message Resources
  6. Validation Framework
  7. Validation Framework-client side
  8. ForwardAction
  9. IncludeAction
  10. DispatchAction
  11. LookupDispatchAction
  12. DynaActionForm
  13. DynaActionForm
  14. Struts Tutorial - Mutli-click prevention using struts tokens-Prevent Duplicate Submission
  15. Logic Iterate Map and List

JSP


  1. JSP Tutorial
  2. Introduction to JSP
  3. JSP Comments
  4. JSP Syntax
  5. JSP Scripting Elements :Scriptlet, expression, declaration
  6. JSP Directives
  7. implicit objects in JSP
  8. JSP Actions
  9. Introduction to JSP
  10. jsp:useBean
  11. The jsp:setProperty Action
  12. The jsp:getProperty Action
  13. Introduction to JSP

Spring


  1. Spring Tutorial
  2. Introduction to Spring
  3. Benefits of Using Spring Framework
  4. Inversion of Control in Spring
  5. Introduction to BeanFactory
  6. Dependency Injection in Spring
  7. Collections Setter Injection
  8. Bean Scopes in Spring
  9. Spring IOC Setup Step by Step
  10. Bean Lifecycle in Spring
  11. ApplicationContext
  12. MessageSources in Spring
  13. Web Spring MVC framework
  14. Developing Your First Spring Web Application
  15. Developing Your Second Spring Web Application with Spring Form
  16. Developing Your First Spring Web Application with Spring Validation Framework with Code Example
  17. Spring integration with Hibernate

Hibernate Tutorial Step by Step -- Code Examples

HQL: The Hibernate Query Language The Hibernate Query Language is executed using session.createQuery(). This tutorial includes from clause,Associations and joins, Aggregate functions,The order by clause,The group by clause,Subqueries.

The from clause

from Employee // Employee is class name mapped to EMPLOYEE TABLE
or
from Employee as e
or
from Employee e where e.empId = 3;
List empList = session.createQuery("from Employee").list();

Associations and joins

from Employee e where e.scopeModFlag = 1 and pc.isDeleted != 1
List empList = session.createQuery("from Employee e where e.scopeModFlag = 1 and pc.isDeleted != 1").list();

Aggregate functions

select avg(cat.weight), sum(cat.weight), max(cat.weight), count(cat) from Cat cat ScrollableResults rs = session.createQuery("select avg(cat.weight), sum(cat.weight), max(cat.weight), count(cat) from Cat cat").scroll();
if(rs.next()){
System.out.println(rs.get(0));
System.out.println(rs.get(1));
System.out.println(rs.get(2));
System.out.println(rs.get(3));
}

The order by clause

from Employee e order by e.name desc
List empList = session.createQuery("from Employee e order by e.name desc").list();
asc or desc indicate ascending or descending order respectively.

The group by clause

select e.dept, sum(e.salary), count(e) Employee e group by cat.dept

Subqueries

from Employee as e
where e.name = some (
select name.nickName from Name as name
)

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