HARTMANN software group

Fast Track to Hibernate 3.x Training in Magdeburg, Germany

Enroll in or hire us to teach our Fast Track to Hibernate 3.x class in Magdeburg, Germany by calling us @303.377.6176. Like all HSG classes, Fast Track to Hibernate 3.x may be offered either onsite or via instructor led virtual training. Consider looking at our public training schedule to see if it is scheduled: Public Training Classes
Provided there are enough attendees, Fast Track to Hibernate 3.x may be taught at one of our local training facilities.
We offer private customized training for groups of 3 or more attendees.
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Course Description

  
Hibernate is a 3 day open source object/relational (OR) persistence and query service for Java. Hibernate lets you develop persistent classes following common Java idioms - including association, inheritance, polymorphism, composition and the Java collections framework. The Hibernate Query Language, designed as a minimal object-oriented extension to SQL, provides an elegant bridge between the object and relational worlds. Hibernate also allows you to express queries using native SQL or Java-based Criteria and Example queries. JBoss has integrated Hibernate into its JEMS (Java Enterprise Middleware System) product line. The Java Persistence API (EJB 3) specification derives a great deal of its architecture from Hibernate, and the Hibernate annotations are compatible with the Java Persistence annotations. This promises to make Hibernate an even more important technology.
Course Length: 3 Days
Course Tuition: $1290 (US)

Prerequisites
Intermediate knowledge of Java programming and a basic understanding of relational databases are recommended.

Course Outline

  
 
Introduction to Hibernate
Issues with Persistence layers and Object-Relational Mapping (ORM)
Hibernate Overview and Benefits
Hibernate architecture overview
Configuring Hibernate
hibernate.cfg.xml file, Connection properties, Database dialect
SessionFactory, Configuration, and Session
Mapping a Class
Persistent Entity Class, Hibernate Mapping File, Mapping the Entity Class
Primary keys: Id property, Generated Id
Hibernate Type System
Working with sessions and Persistent Objects
Logging: hibernate.show_sql, log4j Overview and configuration for Hibernate
 
 
Updates and Queries
Inserting, Updating, and Deleting Entities
HQL - Hibernate Query Language Overview
The Query Interface
Creating and working with queries
Named Queries, Projection Queries, Aggregate Queries
 
 
The Persistence Lifecycle
Transaction Overview and Transactions in Hibernate
Hibernate Transaction API (in Managed and Non-managed Environments)
The lifecycle of managed objects
Persistent, transient, and detached objects
The Persistence (Session) Context (Lifespan, Relation to Managed Objects, Propagation)
Contextual Sessions
Synchronization to the Database
The Session as cache
Optimistic Locking / Versioning
Detached Objects and Optimistic Locking
Versioning overview and Using Versioning
Locking Objects
 
 
Relationships
Object Relationship Overview
Mapping Collections of Value Objects
Entity Relationships: 1-N, N-1, N-N, 1-1
Mapping Entity Relationships
Uni and Bi-directional Relationships
The Relationship "inverse"
Cascading Over Relationships
Queries Across Relationships (Lazy and Eager)
Inheritance Mapping
Entity Inheritance with Hibernate
Table-per-class mapping
Table per Subclass mapping
Table per Concrete Class mapping
 
 
Additional Querying Capabilities
Projection Queries, Aggregate queries, Bulk updates and deletes, Native SQL Queries
Query Filters
The Criteria API
Overview of the Criteria API
Working Querying with the Criteria API
Query by Example
 
 
Hibernate and Java Persistence / EJB 3
Overview of Java Persistence / EJB 3
Relationship between Java Persistence and Hibernate
Mapping Entities with JPA Annotations
The EntityManager, Persistence Context and Persistence Unit
Working with Transactions - EntityTransaction, Managed, and Unmanaged Environments
Inserts and Updates
JPQL - Java Persistence Query Language
Versioning
Relationships
 
 
Caching
Understand caching advantages and behavior
The persistence context as first level cache
The Second Level Cache
Entity and Collection Caching
 
 
Integration Considerations
Data Access Objects
Integrating Hibernate and Java Web Apps
Open Session in View Pattern
Hibernate / EJB-JPA Integration
 
Additional Topics
Components and Multi-Table Mapping
equals() and hashCode()
Design Considerations
Hibernate Toolset
 
 
Hibernate and Spring Integration
Spring Introduction
Dependency Injection Overview
Spring's Hibernate Support
Spring Transaction Management

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Java Programming Uses & Stats

Java Programming is Used For:
Android & IOS Development Software Products Video Games Desktop GUI's
Difficulty
Popularity
Year Created
1995
Pros

Most Commonly Used: 
According to Oracle, three billion devices run on Java.  And, because of its real-world applications, it consistently ranks at the top of the TIOBE Programming Community Index. 

Great Career Choice: 
Some of the fastest-growing salaries in the U.S. in 2018 are for Java developers.  (Glassdoor)  

Android Apps Development:
Developers predominatly use their Java skills in building apps for Google's Android. The Android platform is the number one mobile paltform in the world

It Can Run On Any Platform:
Java can compile on Windows and run the same compiled file on Linux, Windows and Mac.

Great Supporting IDE's:
Over the years, coding in Java has become simpler with the introduction of open source development tools, i.e. Eclipse and NetBeans that use Java capabilities for debugging.  
 
Cons

Uses a Lot of Memory:
Performance can be significantly slower with Java and more memory-consuming than natively compiled languages such as C or C++.

Difficulty in Learning: 
Learning Java can be a bit challenging if you are a beginner.  However, once you get the hang of Object Oriented Programming and a decent grasp of the syntax, you will be well on your way.

Slow Start Up Times:
There is quite a bit of one-time initialization done by JDK classes before compiling as well as loading classes and verification (making sure code doesn't do evil things, all of which takes longer that some other languages such as C. 

Verbose and Complex Code:
Long, over-complicated sentences make code less readable and scannable. Compare to let's say Python, we can see how clear Python code appears: It doesn’t require semicolons; uses “and,” “or,” and “not” as operators instead of Java’s “&&,” “||,” and “!”; and generally has fewer bells and whistles such as parentheses or curly braces.

Commercial License Cost:
Companies have to prepare for the changes that Oracle will institute in 2019 . Today, the current version of Java is free and available for redistribution for general purpose computing. However, If you are a DEVELOPER, Oracle recommends you review the roadmap information for Java SE 8 and beyond and take appropriate action depending on the type of application you develop and your distribution mode.
Java Programming Job Market
Average Salary
$102,000
Job Count
26,856
Top Job Locations

New York City 
San Jose
Washington D.C, 
Complimentary Skills to have along with Java Programming

- If you are an experienced Java developer, learning a complimentary language to Java should come much more naturally.  As an example JetBrains recently created the Kotlin programming language which is officially supported by Google for mobile development.  Kotlin compiles to Java bytecode and runs on the JVM; it's purported to address many of Java's shortcomings...

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