Advanced Java

This course takes a deeper look into some of the advanced techniques and APIs available in contemporary Java, focussing specifically on Java 8 through Java 12. You'll learn all about the new modular approach introduced in Java 9, as well as a thorough investigation of functional programming techniques via lambdas, functional interfaces, and streams. The course also covers important parts of the API including concurrency, data manipulation, and security.

Delegates should have at least 6 months solid Java experience.

• Going Further with the Java Language
• Autoboxing and unboxing
• Varargs
• Type-safe enumerations
• Static imports

• Java SE Features
• Strings in switch
• Binary integral literals
• Underscores in numeric literals
• Multi-catch and precise rethrow
• Improved type inference for generic instance creation
• try-with-resources statement
• Simplified varargs method invocation

• Java API Techniques
• The Console class
• The StringBuilder class
• Formatting techniques
• Regular expressions

• File Handling
• Working with files
• Text files
• Binary files
• Serialization
• NIO
• XML files
• Java properties files

• NIO2
• Overview of NIO2
• Basic operations
• File visitors
• Directory watching
• File attributes

• Advanced JDBC Techniques
• DataSources
• Metadata
• JDBC escape syntax
• Transaction management
• Additional techniques
• Localization and Resource Bundles
• Locales
• Resource bundles
• Locale-specific formatting and parsing

• Reflection
• Dynamic retrieval of information using reflection
• Creating instances of extensibility objects
• Class fields, methods and constructors

• Remote Method Invocation (RMI)
• Distributed Java applications
• Stub and skeleton layer
• Naming remote objects
• Callbacks
• Dynamic class loading
• Distribution of RMI classes
• Serialization of remote objects
• Untrusted code
• Managing security policies
• Securing applications and applets
• RMI vs. sockets and object serialization

• Sockets
• Introduction to sockets
• Implementing a socket server
• Implementing a socket client

• Java Native Interface (JNI)
• Getting started with JNI
• Defining native methods in Java
• Implementing native code in C/C++

• Multithreading Techniques
• Java synchronization language features
• Designing thread-safe classes
• Recommendations for synchronizing resource access

• Additional Multithreading Issues
• Using concurrent collections
• Using synchronizers and locks
• Thread pooling techniques
• Using the executor framework
• Using pooling effectively

• TDD and Unit Testing
• Principles of unit testing
• Using JUnit effectively
• Dependency injection and mocking

• Testing Multithreaded Code
• Correctness tests
• Liveness tests
• Performance tests
• Techniques for testing multiple threads

• Tuning Garbage Collection
• Essential concepts
• Understanding object lifetimes
• Generational collectors
• Heap organization
• Garbage collection options
• Garbage collection monitoring and tuning

• Overview of Java EE
• Java EE architecture
• Web technologies
• Enterprise JavaBeans
• Messaging