-XX:+TraceClassLoading
–监控类的加载
•[Loaded java.lang.Object from shared objects file]
•[Loaded java.io.Serializable from shared objects file]
•[Loaded java.lang.Comparable from shared objects file]
•[Loaded java.lang.CharSequence from shared objects file]
•[Loaded java.lang.String from shared objects file]
•[Loaded java.lang.reflect.GenericDeclaration from shared objects file]
•[Loaded java.lang.reflect.Type from shared objects file]
