顺序结构只能顺序执行，不能进行判断和选择，因此需要分支结构。 一个if语句包含一个布尔表达式和一条或多条语句。 语法 ...

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching in ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Java 17 adoption is increasing as organizations move away from Java 8 and Java 11 to migrate ...