JUnit @AutoClose automatically close resources that implement AutoCloseable after each test, without requiring explicit cleanup code. If any exception occurs during closing the resource, the exception is suppressed.

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Whether you are building REST APIs, service-layer logic, or data-access layers, Spring Boot offers first-class support for JUnit and provides convenient annotations and utilities for writing clean, maintainable tests.

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With the release of JUnit 6.0.0, the maintainers adopted JSpecify nullability annotations across all JUnit modules. It means that method parameters, return types, and other API elements in JUnit are now annotated to explicitly declare whether they accept or return null.

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Learn how to configure JUnit 6 with Gradle. This tutorial discusses the artifacts we need, how to set up our build.gradle, and how to execute the tests.

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Learn to configure JUnit 6 maven dependencies by including the mandatory junit-jupiter-engine along with optionals such as the API, params, and platform components.

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JUnit 6 is a modern, polished evolution of JUnit 5 that embraces Java 17+, improves extension handling, enhances performance, and adds new features like nullability annotations and native Kotlin coroutine support.

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Spring AI CallAdvisor and StreamAdvisor provide hooks to wrap around LLM invocations, both for synchronous and streaming scenarios.

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The error "java.lang.IllegalArgumentException: Failed to create folder" in Selenide typically happens when Selenide tries to save screenshots, page sources, or logs, but it cannot create the required directories due to permission issues or incorrect paths.

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In-browser UI testing of Angular applications poses several challenges such as asynchronous operations and unpredictable loading screens with spinners or dimmers.
Selenide has an implicit capability to wait for the loading screen to disappear.

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When InnoDB tables become corrupted, the InnoDB storage engine typically crashes the MySQL server to prevent further damage. In such situations, you can use the innodb_force_recovery option to force the server to start despite the corruption. However, you may face a situation where the innodb_force_recovery fails to start the server. This issue can occur for ... Read more

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The jpackage is a command-line tool introduced in Java 14 and helps create native installable packages (.exe, .msi, .dmg, .pkg, .deb, .rpm) for Windows, macOS, and Linux. Jpackage bundles Java applications along with a Java runtime (JRE) image, ensuring that end users do not need to install Java separately.

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Database integrity refers to the accuracy, consistency, and reliability of the data stored within a database. It ensures that data remains uncorrupted, and adheres to defined rules. In SQL databases, integrity is supported through constraints like primary keys, foreign keys, unique constraints, and check constraints, alongside physical and logical data structure maintenance. Designed as a ... Read more

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In TypeScript, an array of objects is a collection of items where each item is an object. Arrays of objects are commonly used to organize complex data structures, such as user information, products, or any other entity, into manageable collections.

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In TypeScript, an array of vectors is a collection of vectors, where each vector can represent an array of numbers or custom objects. This multi-dimensional array structure is handy in scenarios such as mathematical computations, graphics programming, or handling grouped data in a type-safe and organized manner.

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OpenHTMLToPDF library generates PDF from HTML and CSS content taken from templates such as HTML file, Freemarker and Thymeleaf templates.

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Since version 3.4, Spring Boot will provide native support for structured logging in the most common and popular formats, such as JSON and XML.

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Creating REST APIs is a better approach for building one-time token-based authentication combined with Jwt tokens in Spring Security.

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Python provides several ways to read a text file and process its lines sequentially or randomly. The correct method to use depends on the size of the file (large or small) and the ease of desired syntax. In this Python tutorial, we will discuss different approaches based on their clean syntaxes, ability to read large ... Read more

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In Hibernate, an orphan entity refers to a child entity that has been disassociated from its parent. If these orphan entities are not explicitly removed, they remain in the database and result in unwanted data. The orphanRemoval = true attribute on the mapping annotation on parent entity automatically removes the child entities from the database ... Read more

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One of the most essential concepts in Hibernate is working with parent-child entity relationships, where a parent entity contains references to one or more child entities. To ensure that we are saving/updating the child entities (along with the parent entity), we depend on the correct usage of annotations like @OneToOne, @OneToMany, @ManyToMany, @JoinColumn, and cascade ... Read more

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