Starting with Java 8, Java started to change its slow and clunky image, trying to add new features and improve performance. However, since Java's main application area is enterprise applications, the strategy of updating the programming language is more conservative, and most of them are still sticking to Java 8, and not many enterprises or individuals are applying the new features of Java. There are only brief introductions to the stand-alone use of individual new features, not articles on best practice guidelines for the systematic use of multiple new features, and people don't realize that Java has abandoned OOP in favor of my theory, "The Math-based Grand Unified Programming Theory: The Pure Function Pipeline Data Flow with Principle-based Warehouse/Workshop Model"!
Workshop: Stream (JDK 8-9), Stream Gatherers (JDK 22)
Stream is an object-style pipeline operation used to construct a pipeline of production data within the workshop.
Warehouse: Records (JDK 14 to 16)
Record is an immutable datatype that is used as a data carrier, primarily in scenarios where data is stored, preserved, and there is no additional custom behavior. It is very suitable for use as a "repository", of course, if there are special needs, other Java classes are more suitable, it can also be applied, my theory has a strong compatibility. See also: "The unification with FP and OOP"
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Class
In my theory classes are mainly used as namespaces to organize code, or compatible with OOP to use traditional Java code.
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Object
It isn't needed in my theory, which is used for compatibility with OOP in order to use traditional Java code.
Scheduler: Virtual Threads (JDK 19-21), Structured Concurrency (JDK 19-22)
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Structured Concurrency
Used to construct the scheduler algorithm: Dynamic Tree Gantt Chart (Operations Research).
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Virtual Threads
Used to run tasks after assigning them to workshops.
Other New Features
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JEP 467: Markdown Document Annotation
This feature uses my original method from 2019-02-17, "Markdown Literary Programming that don't break the syntax of any programming language". My approach is simpler, flexible, visual, extensible, and applicable to all programming languages and markup languages. It takes source code from the text age to the web age, and improves the functionality and experience dramatically.
Demo: LivePreview in Notepad++
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Native Compilation (GraalVM), Native Code Interaction
Similar to what I said in "The unification with Programming Language Platform", except that I advocate using Lisp to represent the intermediate language, which is simpler, clearer, more convenient, and easier to implement and extend; GraalVM uses JVM bytecode as intermediate language.
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Syntax enhancements, tool enhancements
These have nothing to do with programming paradigms and will not be discussed.
In summary, the new features of Java indicate that Java
has abandoned OOP in favor of my theory,
"The Math-based Grand Unified Programming Theory: The Pure Function Pipeline Data Flow with Principle-based Warehouse/Workshop Model"! Combined with Java's strong development of native compilation and native code interaction, it shows that Java's two core concepts of OOP and virtual machines have been abandoned.
Why did Java abandon OOP in favor of my theory?
The reason is as follows:
Java's main application area is enterprise application software, from the reference model, my Warehouse/Workshop Model is a natural and direct counterpart to the architecture of enterprise application software, which is simple, clear, and much superior to the current mainstream OOP, FP, and command programming.
In my article "Traditional IT theory (OO, FP and hardware architecture, etc.) VS. Warehouse/Workshop Model", I pointed out that my Warehouse/Workshop Model is based on mathematical models, which is a downgrade from the pseudo-science of OOP, FP, and imperative programming.
My Warehouse/Workshop Model is data-centered, which is consistent with database thinking, so database vendors are natural allies of my theory, and Oracle, the owner of Java, is the largest database vendor, so it's a natural choice for Java to turn to my theory.
In my Chinese article "My theory has an estimated 100,000 high level followers around the world (Attachment: Most authoritative peer review)", I pointed out that my Warehouse/Workshop Model has already achieved absolute victory at the lowest level of CPU/SoC chips and computer hardware architectures, and that in the IT field, the lowest level of technology determines the upper level of technology, and thus my theory has achieved absolute victory at all levels of the IT field, such as OS, DB, programming languages, and application development. It's just a matter of time, this is the inevitable law, the Java language change is just a beginning.
Whether Java had the idea written in this article before or not, from now on, Java must have the idea and work hard to develop for it! :-)
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