Advanced Java

This course is aimed at existing Java developers who wish to obtain a deeper understanding of advanced Java programming techniques, APIs, and development practices.

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