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Extreme Java - Advanced Topics

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Extreme Java - Advanced Topics

The "Extreme Java - Advanced Topics" Course is authored by Dr Heinz Kabutz, the publisher of The Java Specialists' Newsletter. It includes (under license) training material produced by...

By Request

$1,995 USD

Course Code JAV-407

Duration 2 days

Available Formats Classroom

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The "Extreme Java - Advanced Topics" Course is authored by Dr Heinz Kabutz, the publisher of The Java Specialists' Newsletter. It includes (under license) training material produced by JavaPerformanceTuning.com. It is based on our bestselling Java Specialist Master Course. If you answer "yes!" to any of these questions, then this course is for you:

Would you like to learn some advanced techniques for writing Java code?
Would you like to understand Java NIO?
Would you like to understand the intricacies of Java memory, including tips on how to diagnose problems?
Have you ever wondered what possibilities exist in the reflection API?
Or wondered what data structures would be best suited to your application?
Or looked for better ways of managing exceptions?

Skills Gained

During this 2-day course, we will study over 300 slides of advanced Java topics. Each major section is followed by practical hands-on exercises to apply what you have learned. Even the most experienced Java programmer will be stimulated and challenged. This course is ideally suited to the professional Java programmer with at least 2 years experience, who would like to learn how to truly master the Java Programming Language.

Prerequisites

Previous Training: Preferably a formal qualification in computer science or related field.
Required Experience: At least two years of professional Java programming. Are you unsure whether you are ready for this course? Try our free Java Specialist Master Course Prep.

Course Details

Introduction

Welcome!
Course organization
Course overview

Java IO

1. Object Streams and Serialization
Object Serialization
Simple Object Serialization
Serializable Fields
Resetting Streams
readObject() / writeObject()
Controlling Serialization
Serial Object Versioning
Overriding Versioning
Serialization Performance
Serialization Pitfalls
2. Java New IO Package
Motivation for Using
Working with Buffers
Allocating Buffers
Buffers Advantages
Channels
Memory Mapped Files
Non-Blocking Operations

Java Memory

1. Garbage Collection
Overview
Generational Spaces
GC Tasks
Heap Fragmentation
Escape Analysis
GC Pros and Cons
Measuring GC Activity
Performance
Object Size
2. Tuning JVM
Performance Tuning
Memory Leaks
Loitering Objects
Object Churn
Heap Sizing
3. Finalizers
How it works
Performance Implications
Other references

Reflection API

1. Overview
Introduction
Usefulness of Reflection
Dangers of Reflection
Examining Classes
Reflection Package
Retrieving Class Objects
Working with Class Objects
Accessing fields
Accessing methods
2. Manipulating Objects
Creating new objects
Getting and Setting Fields
Final fields
Invoking Methods
Working with Arrays

Data Structures

1. Time Complexity
Algorithm Complexity
Examples from Java
2. Iteration
Iterators
"for-each" iteration
Iterable interface
ConcurrentModification
CopyOnWrite Collections
3. Hashing
How Hashing Works
JDK 1.4+ rehashing
Compound Keys
Linked Maps
4. Sorting
Defining Natural Order
Comparators
Trees
5. Queues
Queues
PriorityQueue
BlockingQueue
Deques

Exceptions

1. Error Handling
Class Hierarchy
Exception Class
Error Class
2. Best Practices
Checked vs. Unchecked
Avoid Custom Exceptions
Writing Good Exceptions
Wrap Low Level Exceptions
Avoid Catching "Programmer Bug" Exceptions
Performance of Exceptions
Chain Exceptions
Avoid Swallowing Exceptions
Cleanup After An Exception
Java 7 try-with-resource
Losing an Exception in finally
Never Abuse Exceptions for Flow Control
Throw Exceptions Early
Catch Exceptions Late
Good Throws Clauses
Document Exceptions
Unit Test Exceptions
3. Assertions
Mechanism
"assert" Statement
When to Use
When Not to Use
JVM switches

Dates and Time Zones

1. Computer Time
Time Synchronization
Human Time Interpretation
2. Time in Java
Introduction
java.util.Date
JSR310 vs Joda Time
java.util.TimeZone
java.util.DateFormat

Logging

1. Overview
Why log?
Principal Requirements
Main Logging APIs
2. Best Practices
Defining Logging Scheme
Logging Levels
Log Messages Format
Centralized Logging
Code Guards
Exceptions
Reviewing Logging
3. Impact on Performance
Unecessary Strings
Writing to Disk
Asynchronous Logging

Conclusion

Where to next?
Never stop learning!

Read Less

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When does class start/end?

Classes begin promptly at 9:00 am, and typically end at 5:00 pm.

Does the course schedule include a Lunchbreak?

Lunch is normally an hour long and begins at noon. Coffee, tea, hot chocolate and juice are available all day in the kitchen. Fruit, muffins and bagels are served each morning. There are numerous restaurants near each of our centers, and some popular ones are indicated on the Area Map in the Student Welcome Handbooks - these can be picked up in the lobby or requested from one of our ExitCertified staff.

How can someone reach me during class?

If someone should need to contact you while you are in class, please have them call the center telephone number and leave a message with the receptionist.

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Most courses are conducted in English, unless otherwise specified. Some courses will have the word "FRENCH" marked in red beside the scheduled date(s) indicating the language of instruction.

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GTR stands for Guaranteed to Run; if you see a course with this status, it means this event is confirmed to run. View our GTR page to see our full list of Guaranteed to Run courses.

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We have training locations across the United States and Canada. View a full list of classroom training locations.

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At ExitCertified we offer training that is Instructor-Led, Online, Virtual and Self-Paced.

Does ExitCertified deliver group training?

Yes, we provide training for groups, individuals and private on sites. View our group training page for more information.

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As a vendor-authorized training partner, we offer a curriculum that our partners have vetted. We use the same course materials and facilitate the same labs as our vendor-delivered training. These courses are considered the gold standard and, as such, are priced accordingly.

Is the training too basic, or will you go deep into technology?

It depends on your requirements, your role in your company, and your depth of knowledge. The good news about many of our learning paths, you can start from the fundamentals to highly specialized training.

How up-to-date are your courses and support materials?

We continuously work with our vendors to evaluate and refresh course material to reflect the latest training courses and best practices.

Are your instructors seasoned trainers who have deep knowledge of the training topic?

ExitCertified instructors have an average of 27 years of practical IT experience. They have also served as consultants for an average of 15 years. To stay up to date, instructors will at least spend 25 percent of their time learning new emerging technologies and courses.

Do you provide hands-on training and exercises in an actual lab environment?

Lab access is dependent on the vendor and the type of training you sign up for. However, many of our top vendors will provide lab access to students to test and practice. The course description will specify lab access.

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We will work with you to identify training needs and areas of growth. We offer a variety of training methods, such as private group training, on-site of your choice, and virtually. We provide courses and certifications that are aligned with your business goals.

How do I get started with certification?

Getting started on a certification pathway depends on your goals and the vendor you choose to get certified in. Many vendors offer entry-level IT certification to advanced IT certification that can boost your career. To get access to certification vouchers and discounts, please contact customerexp@exitcertified.com.

Will I get access to content after I complete a course?

You will get access to the PDF of course books and guides, but access to the recording and slides will depend on the vendor and type of training you receive.

How to request a W9 for ExitCertified LLC?

View our filing status and how to request a W9.

Instructor was great, course was mostly very good except for too much focus on pricing

ExitCertified Student

ExitCertified

Very good material, the instructor was clear explaining the topics, and the labs were easy to follow it.

ExitCertified Student

ExitCertified

The instructor really took his time and made sure I was able to understand the concepts.

ExitCertified Student

ExitCertified

I was very pleased with the course setup by ExitCertified and the instructor.

ExitCertified Student

ExitCertified

Thank Tech Data for sponsoring this course you really take care of your partners.

ExitCertified Student

ExitCertified