All New Java Language Features Since Java 21
Java 25 ships with a number of new language features, many of which fit under the umbrella of data-oriented programming, on-ramping new developers, and making Java more viable as a scripting language for easy automation. Join Jose as he explores these features.
JDK 25: https://jdk.java.net/25/
Java 25 Launch Stream: https://dev.java/community/java-25-la...
ACME Soft's Road to 25: • Road to 25
~~~~~ Links ~~~~~
JEP 395: Records: https://openjdk.org/jeps/395
JEP 440: Record Patterns: https://openjdk.org/jeps/440
JEP 394: Pattern Matching for Instanceof: https://openjdk.org/jeps/394
JEP 441: Pattern Matching for Switch: https://openjdk.org/jeps/441
JEP 409: Sealed Classes: https://openjdk.org/jeps/409
JEP 361: Switch Expressions: https://openjdk.org/jeps/361
JEP 456: Unnamed Variables & Patterns: https://openjdk.org/jeps/456
JEP 507: Primitive Types in Patterns, instanceof and switch (Third Preview): https://openjdk.org/jeps/507
JEP 512: Compact Source Files and Instance Main Methods: https://openjdk.org/jeps/512
JEP 458: Launch Multi-File Source-Code Programs: https://openjdk.org/jeps/458
JEP 511: Module Import Declarations: https://openjdk.org/jeps/511
JEP 502: Stable Values (Preview): https://openjdk.org/jeps/502
JEP 513: Flexible Constructor Bodies: https://openjdk.org/jeps/513
Amber mailing list: https://mail.openjdk.org/mailman/list...
~~~~~ Chapters ~~~~~
0:00 Intro
1:21 Data Oriented Programming
2:03 Switching on a sealed type using pattern matching
4:23 Simplifying patterns with unnamed variables
7:23 Analyzing the use of unnamed variables in record patterns
8:27 Using unnamed variables in type patterns
8:54 Using unnamed variables when catching exceptions
9:35 Using unnamed variables in lambda expressions
11:28 Using unnamed variables in other places
13:55 Extending Pattern Matching with primitive types
15:04 Analyzing the status of an HTTP response with switch on primitive patterns
16:29 Switching on booleans
17:15 Safe JSON data analysis with primitive patterns
20:33 Simplifying the writing of Java applications
22:14 Using IO.println() to print messages
22:41 Running some Java code without calling the compiler
23:40 Running multi-file source-code programs
24:40 Importing modules in Java classes
26:02 Wrapping up simplified Java applications
27:06 Using Markdown to write your JavaDoc
28:37 Constructing object to manage null values and constants properly
30:59 Analyzing the construction of objects
32:29 Introducing Stable Values to create real constants
33:28 Revising object construction with Flexible Constructor Bodies
Tags: #Java #Java25 #OpenJDK
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