Extreme Java – Advanced Topics by Dr Heinz M. Kabutz
Bunch of useful topics for the professional Java programmer
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.
Is this course for you?
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?
Course Curriculum
Resources – Slides & Exercises
1 – Introduction
-
Hello & Welcome (11:45)
-
Java 7 & 8 Primer (7:07)
2.1 – Object Streams
- Serialization with the Decorator Pattern (23:11)
- java.io.Serializable (4:33)
- Serializing own objects (4:23)
- Caching of objects (15:18)
- writeObject() and readObject() (7:59)
- Versioning of objects (6:18)
- Exercises (4:07)
- Exercise Walkthrough: Serialization (18:26)
2.2 – Java new IO
- Introduction (2:30)
- Creating buffers (5:00)
- Little and big endian (7:19)
- Writing and reading buffers with channels (16:54)
- Memory mapped files (12:53)
- Non-blocking IO (0:56)
- Exercises (1:33)
- Exercise Walkthrough: MappedByteBuffer (9:33)
3.1 – Garbage Collection
- Introduction (1:02)
- Stack memory StackOverflowError (3:03)
- Heap management (1:08)
- Weak generational hypothesis (2:00)
- Generational spaces (10:10)
- Stop-the-world (2:24)
- Heap fragmentation (2:43)
- Escape analysis (2:33)
- Pros and cons of GC (3:05)
- Measuring GC activity (9:51)
- Exercises (1:47)
- Exercise Walkthrough: ThreadMemoryTest (11:49)
- Extra: VisualGC Plugin & Censum (15:47)
3.2 Solving Common Memory Problems
- Common memory problems (4:31)
- Memory leaks (2:48)
- Loitering objects (4:32)
- Object churn (2:52)
- Sizing generational spaces (8:16)
- Exercises (0:30)
- Exercise Walkthrough: FibonacciCalculator (19:52)
4 – Reflection
- Introduction (12:40)
- Manipulating objects (9:05)
- Exercises (2:33)
- Exercise Walkthrough: MagicClassInstantiator (8:05)
- Exercise Walkthrough: Deep cloning arrays (14:43)
5.1 Computational Time Complexity
- Computational Time Complexity (10:21)
5.2 Iteration
- Iterator (8:58)
- Copy-on-write collections (4:00)
- Exercises (2:20)
- Exercise Walkthrough: TextFile (15:46)
- Exercise Walkthrough: Files.lines() (5:13)
5.3 Hashing
- How hashing works (11:23)
- Hashing – compound keys (10:39)
- Exercises (1:08)
- Exercise Walkthrough: Pixel hashCode (8:13)
5.4 Sorting and Searching
- Sorting lists and arrays (4:04)
- Natural order with Comparable (6:35)
- Comparators (12:01)
- TreeMap and TreeSet (0:57)
- Exercises (2:22)
- Exercise Walkthrough: Programmer rich smart (8:46)
5.4 Queues
- Queues (7:57)
- Deques (1:38)
6 – Exceptions
- Introduction (0:53)
- Error handling (4:34)
- Best practices (19:42)
- Assertions (5:44)
- Exercises (0:56)
- Exercise Walkthrough: Thread pool exceptions and assertions (8:22)
7 – Dates and Time Zones
- Introduction (3:34)
- Time in Java (6:34)
- Java 8 – JSR 310 (8:37)
- Exercises (0:49)
- Exercise Walkthrough: Date formatting horror (5:26)
8 – Logging
- Everyone likes to write a logging framework (3:07)
- Overview (7:37)
- Exercises (0:33)
- Exercise Walkthrough: Logging thread pool (18:35)
- Best practices (6:00)
- Impact on performance (9:15)
About Author:
Heinz Kabutz is the author of The Java Specialists’ Newsletter, a publication enjoyed by tens of thousands of Java experts in over 145 countries. His book “Dynamic Proxies (in German)” was #1 Bestseller on Amazon.de in Fachbücher für Informatik for about five minutes until Amazon fixed their algorithm. Thanks to a supportive mother, he has now sold 5 copies.
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