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Jul 2, 2023 · Java 10: Introduced features like local variable type inference (var keyword) and the experimental garbage collector (Epsilon), enhancing code conciseness and providing performance testing ...
Java 21 introduces features first previewed in Java 17 (pattern matching for switch statements) and Java 19 (record patterns). The 32-bit version of Java for Windows on x86 has been deprecated for removal.
- New String and Files Methods
- The Teeing Collector
- Support For Compact Number Formatting
- Performance Improvements
- Experimental and Preview Features
- Other Changes in Java 12
- Summary
After we got a few new String methods in Java 11 and the Files.readString() and writeString() methods, the JDK developers extended both classes again for Java 12.
For some requirements, you may want to terminate a Stream with two collectors instead of one and combine the result of both collectors. In the following example source code, we want to determine the difference from largest to smallest number from a stream of random numbers (we use Optional.orElseThrow() introduced in Java 10to avoid a "code smell" ...
Using the static method NumberFormat.getCompactNumberInstance(), we can create a formatter for the so-called "compact number formatting". This is a form that is easy for humans to read, such as "2M" or "3 billion". The following example shows how some numbers are displayed – once in the short and once in the long compact form: The program will prin...
The following improvements ensure that our Java applications start faster, have lower garbage collector latencies, and a better memory footprint.
This section lists experimental features and previews, i.e., functionality that are still in the development stage and may be modified based on feedback from the Java community until the final release. Instead of going into detail about these features, I will refer to the Java version where the respective features are released as "production-ready"...
In this section, I list changes that will not affect the daily work of most Java developers. However, it is certainly not wrong to have skimmed over the changes once.
The changes in Java 12 are pretty manageable. We got a few new String and Filesmethods and the Teeing Collector, which allows us to terminate a Stream over two collectors and combine their results. Class data sharing is now enabled by default, thanks to the classes.jsashared archive file provided on 64-bit systems. The G1 Garbage Collector can abor...
- The Origins of Java: Java was created by James Gosling and his team at Sun Microsystems in the mid-1990s. Originally conceived as a language for consumer electronics, it was initially called "Oak" and aimed to provide a platform-independent programming language for embedded systems.
- Java 1.0 (JDK 1.0 - January 23, 1996): Introduced applets, which enabled the embedding of Java programs into web browsers. Included the Abstract Window Toolkit (AWT), providing a set of GUI components for building graphical interfaces.
- Java 1.1 (JDK 1.1 - February 19, 1997): Added significant improvements to the Java language, including inner classes, which enabled the nesting of classes within other classes.
- Java 1.2 (J2SE 1.2 - December 8, 1998): Renamed as Java 2 Platform, Standard Edition (J2SE). Introduced the Java Collections Framework, which provided a standardized way to store and manipulate collections of objects.
Oct 2, 2023 · Key Features. HotSpot JVM: The HotSpot JVM was introduced, significantly improving Java’s runtime performance. Java Naming and Directory Interface (JNDI): JNDI was introduced, providing a ...
Feb 7, 2024 · Key Features of Java Versions. Java 8: Lambda Expressions, Streams API, Default methods in interfaces, Function interfaces, New Date and Time API, Nashorn JavaScript Engine, Optional class.
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Dec 25, 2023 · From its inception in 1996 to the present day, each Java version has brought forth new features and enhancements, shaping the way developers create robust and scalable applications.
