Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...

在日常 Java 开发中，一般都需要进行单元测试，而 Mock 测试则是单元测试中的重要方法之一。所谓 Mock 测试，就是指在测试过程中，对于一些不容易构造或难以获取的较为复杂的对象，用一个虚拟的对象来代表，从而方便测试的一种测试方法。其中，这个虚拟的 ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Java is an object-oriented programming language. To create objects and meaningfully initialize them, a developer must use a Java constructor. Constructors are a critical part of software development ...

Java is one of the most commonly used and sought-after programming languages in the world right now. It is used in varied fields such as software engineering, data science, etc. Much like any other ...

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...

In a microservices architecture, one of the most important parts of a service is the module in charge of communicating with other services. You often need to test end-to-end how a service communicates ...