注释类型分层结构
- org.springframework.lang.UsesJava7 (implements java.lang.annotation.Annotation)
- org.springframework.lang.UsesJava8 (implements java.lang.annotation.Annotation)
- org.springframework.lang.UsesSunHttpServer (implements java.lang.annotation.Annotation)
- org.springframework.lang.UsesSunMisc (implements java.lang.annotation.Annotation)