Java 9.0 to 13.0

Preface

Insight of Versioning

• Introduction
• Project Green: the beginning 
• Versions of Java
• Time-based release version
• Conclusion
• Questions

What’s New in Java 9

• Introduction
• Project Jigsaw
• Compact profiles
• Java Platform Module System
• Explore module
• Module types
• Listing JDK modules
• Java module graph
• Declaring the module
• Download Java 9
• Create your first Java module
• Compiling module
• Executing module
• Working with multiple modules
• Working with Eclipse
• Working with Apache NetBeans
• Java Enhancement Proposals (JEP) in JSE 9.0
• JEP 102: Process API updates
• JEP 110: HTTP/2 Client (Incubator)
• JEP 158: unified JVM logging
• JEP 213: Milling Project Coin
• JEP 214: remove GC combinations deprecated in JDK 8
• JEP 220: modular run-time images
• JEP 221: new Doclet API
• JEP 222: JShell (Read-Eval-Print Loop)
• JEP 238: Multi release JAR file
• JEP 248: make G1 the default garbage collector
• JEP 251: multi-resolution images
• JEP 254: compact Strings
• JEP 282: jlink, the Java linker
• JEP 289: deprecate Applet API
• JEP 291:deprecate the concurrent mark sweep garbage collector
• Conclusion

Understanding JDK 10-Step towards JDK 11

• Introduction 
• Downloading JDK 10
• JEP 286: local variable type inference 
• Compile time safety
• Polymorphism
• Working with collections & arrays
• Working with traditional for loop
• Working with for each loop
• Working with Java streams
• Working with anonymous class
• Working with try-with-resources
• JEP 296: consolidate the JDK forest into a single repository
• JEP 304: Garbage collector interface
• JEP 307: Parallel full GC for G1
• JEP 310: Application class data sharing
• JEP 313: Remove the native-header generation tool (javah)
• JEP 314: Additional Unicode language-tag extensions
• JEP 316: Heap allocation on alternate memory devices
• JEP 317: experimental Java-based compiler
• JEP 319: root certificates
• JEP 322: time-based release versioning
• API
• System properties
• Removed features and options
• Deprecated features and options
• Conclusion
• Questions 

Dive in JDK 11

• Introduction
• Downloading JDK11
• JEP 181: nest-based access control
• Change in the reflective access
• JEP 309: Dynamic class-file constants
• JEP 315: Improve Aarch64 intrinsic
• JEP 318: Epsilon: no-op garbage collector
• How to implement no-op GC
• JEP 320: remove the Java EE and CORBA modules
• JEP 321: HTTP client (standard)
• JEP 323: local-variable syntax for lambda parameters
• JEP 324: Key agreement with Curve25519 and Curve 448
• API changes
• JEP 327: Unicode 10
• JEP 328: Flight recorder
• JEP 329: ChaCha20 and Poly1305 cryptographic algorithms
• JEP 330: Launch Single-File Source-Code Programs
• Working with Shebang files
• JDK 332: Transport Layer Security (TLS) 1.3
• JEP 333: ZGC: scalable low-latency garbage collector (experimental)
• Pointer colouring
• Multimapping
• Marking
• Relocation
• Enabling the ZGC
• JEP 335: deprecate the Nashorn JavaScript Engine
• Command line tool jjs
• Working programmatically with Nashorn
• JEP 336: deprecate the Pack200 tools and API
• Conclusion
• Questions

Migrating the Code

• Introduction
• Unnamed module
• Jdeps tool
• Override module configuration
• --add-reads
• --add-exports
• --opens-add
• Working with jLink
• Multi-release JAR file
• Conclusion
• Questions

Working with JShell

• Introduction
• Launching JShell
• Writing the code in JShell
• Adding classpath to JShell
• Forward references in method declaration
• Working with commands in JShell
• Editors 
• Internal Shell editing
• External editor
• Feedback in JShell
• Setting up the feedback:
• Conclusion
• Questions

Reactive Programming and Concurrency Updates

• Introduction
• The reactive manifesto
• Resilient
• Responsive
• Elastic
• Message driven
• Journey to be reactive
• Pull and push model
• Reactive streams
• Reactive stream implementation for Java
• Publish-subscribe mechanism
• Publisher
• Subscriber
• Subscription
• The processor
• Working of publisher-subscriber
• Situation 1: normal publishing and subscription of items
• Situation 2: cancellation of the items
• Situation 3: Exception raised due to some reason
• Working of publisher-processor-subscriber
• Backpressure
• Updates in concurrency
• Conclusion
• Questions

What’s New in Java12

• Introduction
• Downloading Java12
• JEP 189: Shenandoah: A low-pause-time garbage collector
• JEP 230: Microbenchmark suit
• Microbenchmark concerns
• JEP 325: Switch expression
• Change in expression label by using -> symbol
• Multiple case labels
• Returning values from switch
• JEP 344: JVM Constant API
• JEP 340: One AArch64 Port, not two
• JEP 341: Default CDS archives
• JEP 344: Abortable mixed collections for G1
• JEP 346: Promptly return unused committed memory from G1
• New features and enhancements
• Removed features and options
• Conclusion
• Questions

Introduction to Java 13

• Introduction
• Downloading Java 13
• JEP 350: Dynamic CDS archive
• JEP 351:ZGC: uncommit unused memory
• JEP 353: Reimplement the legacy socket API
• JEP 354: Switch expressions (preview)
• Yield statement in switch
• JEP 355: Text blocks (preview)
• Writing HTML
• Writing SQL query string
• Polyglot language example
• Conclusion
• Questions