JAV-402 --- The Java Specialist Master Course

During this 4-day course, you will study over 1000 slides of advanced Java topics.

During this 4-day course, you will study over 1000 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.Students who can benefit from this course:Experienced Java technology developers.

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4 Days

The Java Specialist Master Course Content Details

Module 1 - Multi-Threading Multi-Threading Basics of Threads Threading Background Threading Models Process vs thread Parallel vs concurrent Creating New Thread Groups States Synchronized Locks Priorities Timers Daemon Threads The Secrets of Concurrency Interrupted Status What threads are doing Limiting # of Threads Visibility Problems Early Writes Corrupt Data Contention Java Memory Model Hardware impact Deadlocks Applied Threading Techniques Executors Count-down latch Semaphore Blocking queues Atomic Variables Volatile Exceptions Thread local variables Stopping Threads Shutdown hooks Threading Problems Race Conditions Starvation Fairness Deadlock Livelock Module 2 - Java IO   Object Streams and Serialization Object Serialization Simple Object Serialization Serializable Fields readObject() / writeObject() Controlling Serialization Externalizable Serial Object Versioning Compatible Class Changes Incompatible Class Changes Overriding Versioning Circular References Serialization Performance Serialization Pitfalls Resetting Streams Java New IO Package Motivation for Using Working with Buffers Allocating Buffers Buffers Advantages Channels Memory Mapped Files Non-Blocking Operations Selectors NIO Uses Event Driven Architecture Character Streams Encoding The Unicode Standard Forms of Unicode 32-bit Characters Big / Little Endian Other Encodings Other Charsets - ISO 8859 Charset Class Encoders and Decoders Code Points Module 3 - Java Memory   Garbage Collection Overview Generational Spaces GC Tasks Heap Fragmentation GC Pros and Cons Algorithms Reachability History JVM 1.4, 5, 6 Young Space Old Space Summary Measuring GC Activity Performance Object Size Using jConsole Managing OutOfMemoryError Tuning JVM JVM Switches Non-Standard Switches Sizing Generational Spaces References Reference Objects Object Reachability Using References SoftReference WeakReference PhantomReference Abstracting ReferenceQueue WeakHashMap SoftHashMap Performance Implications Object Pooling Introduction Reasons for not Using Thread Pooling Database Connection Pooling Module 4 - Reflection API   Overview Introduction Usefulness of Reflection Dangers of Reflection Examining Classes Reflection Package Retrieving Class Objects Working with Class Objects Accessing fields Accessing methods Generics Manipulating Objects Working with objects Creating new objects Getting and Setting Fields Invoking Methods Casting through Reflection Final fields Arrays Working with Arrays Elements' Type Creating new Arrays Getting and Setting Elements Dynamic Proxy Classes Proxy Definition Creating new Proxy InvocationHandler Proxy Class Classes When are Classes Loaded? How loadClass() works Implementing own ClassLoader The defineClass Method   Module 5 - Data Structures   Basics Introduction Abstract Classes Algorithm Complexity Data Structures & GC Primitive Data Structures Null Elements Type Safety Iteration Iterators Efficiency RandomAccess Multithreading ConcurrentModification CopyOnWrite Collections New "for-each" iteration Iterable interface Sorting Collections & Arrays Sorting Performance Comparisons Maps Trees Hashing JDK 1.4+ rehashing Compound Keys Map of Maps ConcurrentHashMap Linked Maps Searching Generics Other Structures Multimap Queues Deques Heaps LRU Cache Module 6 - Exceptions   Error Handling Class Hierarchy Throwable Class Exception Class Error Class StackTraceElement Abuse of Exceptions Uncaught Exceptions Asynchronous Exceptions Critical Errors Inside the JVM Best Practices Checked vs. Unchecked Avoid Custom Exceptions Writing Good Exceptions Wrap Low Level Exceptions Avoid Catching "Programmer Bug" Exceptions Chain Exceptions Avoid Swallowing Exceptions Cleanup After An Exception Never Abuse Exceptions for Flow Control Throw Exceptions Early Catch Exceptions Late Good Throws Clauses Document Exceptions Unit Test Exceptions Assertions Mechanism "assert" Statement Detecting if enabled When to Use When Not to Use JVM switches Why disable? Performance Issues Module 7 - Java Optimizations   Low Level Overview High Level Low Level When Not to Use Microbenchmarking Finding bottlenecks Optimization Techniques Other Optimizations Compiler Runtime Just-in-Time HotSpot Problem Areas Typical Problem Areas Methods Declarations Object Creation Strings and constants Loops Benchmarking Class Casting Generics Other Areas Tools Profiling Tools HPROF How to tune Module 8 - Dates and Time Zones   Computer Time Time Synchronization Human Time Interpretation Computer Setting Time in Java Introduction java.util.Date java.util.TimeZone java.util.Calendar java.util.GregorianCalendar java.util.DateFormat java.sql.Date java.sql.Timestamp Best practices Module 9 - Logging   Overview Why log? Principal Requirements Main Logging APIs Jakarta Commons Logging Log4j API Building Blocks Logger Appender Layout Principles Logger Hierarchy Level Inheritance Appenders Additivity Configuration From Application From XML File Best Practices Defining Logging Scheme Logging Levels Log Messages Format Centralized Logging Code Guards Exceptions Reviewing Logging Impact on Performance Unecessary Strings Writing to Disk Asynchronous Logging

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