点击“蓝色字”，关注我们哦！！ JUnit 5 是目前 Java 中最流行的测试框架之一。它相较于之前的版本，带来了许多 新特性 和 改进。它的设计目标就是让单元测试更简洁、高效、灵活。接下来我们就来一起看看，如何使用 JUnit 5 以及常见问题和优化方案。

点击“蓝色字”，关注我们哦！！ 单元测试就用 JUnit 5！好用到飞起！ 单元测试是程序员的“护身符”，写代码不测就像闭着眼睛过马路，迟早翻车。 而 JUnit 5 就是那个帮你保命的工具。 它功能强、扩展性好，用起来特别顺手。 一上来，不废话，直接来段代码。

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