**Read-Eval-Print Loop** is often referred to as **REPL**, taking the first letter from each word in the phrase. It is also known as a language shell or interactive top level.
| `DocTreeVisitor<R,P>` | 药方: | `R`=访问者方法的返回类型;`P`=附加参数的类型 | `visitAttribute(AttributeTree node, P p)`、`visitAuthor(AuthorTree node, P p)`、`visitComment(CommentTree node, P p)`、`visitDeprecated(DeprecatedTree node, P p)`、`visitDocComment(DocCommentTree node, P p)`、`visitDocRoot(DocRootTree node, P p)`、`visitEndElement(EndElementTree node, P p)`、`visitEntity(EntityTree node, P p)`、`visitErroneous(ErroneousTree node, P p)`、`visitIdentifier(IdentifierTree node, P p)`、`visitInheritDoc(InheritDocTree node, P p)`、`visitLink(LinkTree node, P p)`、`visitLiteral(LiteralTree node, P p)`、`visitOther(DocTree node, P p)`、`visitParam(ParamTree node, P p)`、`visitReference(ReferenceTree node, P p)`、`visitReturn(ReturnTree node, P p)`、`visitSee(SeeTree node, P p)`、`visitSerial(SerialTree node, P p)`、`visitSerialData(SerialDataTree node, P p)`、`visitSerialField(SerialFieldTree node, P p)`、`visitSince(SinceTree node, P p)`、`visitStartElement(StartElementTree node, P p)`、`visitText(TextTree node, P p)`、`visitThrows(ThrowsTree node, P p)`、`visitUnknownBlockTag(UnknownBlockTagTree node, P p)`,`visitUnknownInlineTag(UnknownInlineTagTree node, P p)``visitValue(ValueTree node, P p)``visitVersion(VersionTree node, P p) ` |
| `DocTreeVisitor<R,P>` | 药方: | `R`=访问者方法的返回类型;`P`=附加参数的类型 | `visitAttribute(AttributeTree node, P p)`、`visitAuthor(AuthorTree node, P p)`、`visitComment(CommentTree node, P p)`、`visitDeprecated(DeprecatedTree node, P p)`、`visitDocComment(DocCommentTree node, P p)`、`visitDocRoot(DocRootTree node, P p)`、`visitEndElement(EndElementTree node, P p)`、`visitEntity(EntityTree node, P p)`、`visitErroneous(ErroneousTree node, P p)`、`visitIdentifier(IdentifierTree node, P p)`、`visitInheritDoc(InheritDocTree node, P p)`、`visitLink(LinkTree node, P p)`、`visitLiteral(LiteralTree node, P p)`、`visitOther(DocTree node, P p)`、`visitParam(ParamTree node, P p)`、`visitReference(ReferenceTree node, P p)`、`visitReturn(ReturnTree node, P p)`、`visitSee(SeeTree node, P p)`、`visitSerial(SerialTree node, P p)`、`visitSerialData(SerialDataTree node, P p)`、`visitSerialField(SerialFieldTree node, P p)`、`visitSince(SinceTree node, P p)`、`visitStartElement(StartElementTree node, P p)`、`visitText(TextTree node, P p)`、`visitThrows(ThrowsTree node, P p)`、`visitUnknownBlockTag(UnknownBlockTagTree node, P p)`,`visitUnknownInlineTag(UnknownInlineTagTree node, P p), visitValue(ValueTree node, P p), visitVersion(VersionTree node, P p) ` |
| `EndElementTree` | `DocTree` | HTML 元素`</name>`的结尾 | `getName()` |
| `EntityTree` | `DocTree` | HTML 实体 | `getName()` |