AirConditioner

1. JDK9文档中，`Class.newInstance()`方法被标识为Deprecated，同时也提到The call `clazz.newInstance()` can be replaced by `clazz.getDeclaredConstructor().newInstance()`。 2. The Java™ Tutorials中提到Constructor.newInstance()是首选，原因为： - `Class.newInstance()` can only invoke the zero-argument constructor, while `Constructor.newInstance()` may invoke any constructor, regardless of the...