Springboot Idea of shortcut keys and hot deployment

(1) Shortcuts:

idea中查看方法参数;查看类、方法、属性注释
Ctrl+P：查看方法参数
Ctrl+Q：查看类、方法、属性注释

(2) hot deployment:

Ready to work:

The relevant configuration-dependent into POM:

<!-- 热部署 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>

1. The first step:

 2. Step two:

Press Ctrl + Shift + Alt + /, appears:

 

3. The third step: