The article demonstrates refactoring a tangled checkout method by separating pure calculation logic into a functional core using Java 17 records and sealed interfaces, leaving IO operations in an imperative shell, resulting in easily testable, reusable code without mocks or Spring containers.
The article explains the contract between equals and hashCode in Java, shows what goes wrong when only one is overridden, demonstrates the correct implementation with Objects.equals and Objects.hash, covers IDE/Lombok generation, JPA entity nuances, inheritance pitfalls, records, and common anti‑patterns.
This tutorial explains Java 16’s record feature—a concise way to define immutable data carriers—by comparing it with traditional classes, showing the boilerplate it eliminates, detailing the automatically generated methods, providing hands‑on code examples, and outlining important usage considerations.
This article breaks down four modern Java Lambda techniques—using '_' placeholders, switch pattern matching, standard functional interfaces with type inference, and record‑based streams—to show how developers can write clearer, more expressive code that aligns with Java 21‑25 language evolution.
This article reveals how Java records serve as immutable data‑modeling tools, demonstrating compact constructors for validation, embedding business logic, static factory methods, pattern‑matching integration, and response‑object usage, while also outlining their thread‑safety benefits and scenarios where records are unsuitable.
Java 25, the newest LTS release, introduces a suite of language and runtime enhancements—including primitive‑type pattern matching, module‑wide imports, a lightweight main method, richer records, structured concurrency, scoped values, a vector API, and security updates—that together make Java code more concise, safer, and higher‑performing for both newcomers and seasoned developers.
Java 25, the latest LTS release, introduces a suite of language and runtime enhancements—including pattern matching, module imports, lightweight main methods, record upgrades, structured concurrency, scoped values, vector APIs, compact object headers, generational Shenandoah GC, AOT optimizations, JFR improvements, and security updates—making Java more concise, safer, faster, and easier for both newcomers and seasoned developers.
Java 25, the latest long‑term support release, introduces a suite of enhancements—including pattern‑matching for primitive types, module import declarations, a compact main method, improved record classes, structured concurrency, scoped and stable values, vector API, compact object headers, Shenandoah GC, AOT optimizations, JFR upgrades, security updates, and the removal of 32‑bit x86—aimed at making Java more concise, safer, faster, and easier to observe.
This article explores the upcoming ES2025 JavaScript features—including pattern matching, the pipeline operator, Record & Tuple, Decimal type, enhanced error handling, and Temporal API improvements—showing how they simplify syntax, improve readability, and boost performance for modern front‑end development.
The article walks through the evolution from Java 8 to Java 21, comparing preview and standard features such as pattern‑matching instanceof, switch expressions, text blocks, the new HttpClient API, var type inference, virtual threads, records, immutable collections, improved try‑with‑resources, sequenced collections, and garbage‑collector enhancements, illustrating each with concrete code examples and practical recommendations.
This article explores the most impactful Java 17 enhancements—including records, sealed classes, pattern matching, text blocks, var, enhanced switch, and new APIs—showing how they simplify code, improve readability, boost performance, and modernize Java development for both beginners and seasoned programmers.
Discover how Java 17’s new features—record classes, sealed classes, pattern matching, text blocks, enhanced switch expressions, var type inference, improved Stream API, and better NullPointerException messages—streamline code, boost readability, and increase performance, with practical examples and tips for modern Java development.
This article explains why upgrading from Java 8 to JDK 17 is essential, detailing new language features such as records, sealed classes, pattern matching, text blocks, var inference, enhanced switch, Stream API improvements, better NullPointerExceptions, modern garbage collectors, and the foreign memory access API, all illustrated with concise code examples.
This article explores the groundbreaking ES2025 JavaScript features—including pattern matching, enhanced array destructuring, the pipeline operator, native Record & Tuple types, Decimal numbers, improved error handling, and Temporal API integration—showing how they simplify code, boost performance, and move the language toward functional and type‑safe programming.
This article walks through JDK 17’s most impactful language upgrades—including records, sealed classes, pattern matching, text blocks, var inference, enhanced switch, and new APIs—explaining their syntax, practical use cases, and how they simplify Java code while improving performance and maintainability.
This article explores the major Java 17 language enhancements—including records, sealed classes, pattern matching, text blocks, var, and the new switch expression—showing how they reduce boilerplate, improve readability, and boost performance compared to legacy Java 8 code.
This article explains SpringBoot 3.3.0's new support for adding description metadata to record components, covering configuration metadata basics, how to generate the metadata file, and step‑by‑step examples using both classic Java classes and Java records.
This article explores five highly anticipated JavaScript proposals—including the Temporal API, Pipe Operator, Record & Tuple, RegExp v flag, and Decorators—detailing their motivations, core syntax, and example code as they move toward inclusion in the upcoming ECMAScript release.
This article compares Java's native record feature with the Lombok library, showing how records can reduce boilerplate code, outlining scenarios where records can replace Lombok, and discussing the limitations of each approach for clean and maintainable backend development.
On May 14 the open‑source Fastjson library launched version 2.0.3, adding better compatibility with its 1.x line, native support for JDK 14 records, GraalVM native‑image compatibility, an improved extension mechanism, stronger JSONPath capabilities, Jackson annotation compatibility, and faster deserialization for heavily escaped JSON data.
Learn a step‑by‑step method to configure Java 17 at the project level in IntelliJ IDEA, including JDK installation, setting language and bytecode levels, and leveraging the new Record feature, all without affecting other projects or global environment settings.
This article explains the Stage‑1 JavaScript Record & Tuple proposal, showing how the new immutable value types are created with a leading #, how they differ from objects by using value‑based comparison, and why they improve deep equality, sharing, non‑destructive updates, and usage in Maps and Sets.
