Module jdk.compiler

Package com.sun.source.tree

Interface Tree

所有已知的子接口:

AnnotatedTypeTree, AnnotationTree, AnyPatternTree预览, ArrayAccessTree, ArrayTypeTree, AssertTree, AssignmentTree, BinaryTree, BindingPatternTree, BlockTree, BreakTree, CaseLabelTree, CaseTree, CatchTree, ClassTree, CompilationUnitTree, CompoundAssignmentTree, ConditionalExpressionTree, ConstantCaseLabelTree, ContinueTree, DeconstructionPatternTree, DefaultCaseLabelTree, DirectiveTree, DoWhileLoopTree, EmptyStatementTree, EnhancedForLoopTree, ErroneousTree, ExportsTree, ExpressionStatementTree, ExpressionTree, ForLoopTree, IdentifierTree, IfTree, ImportTree, InstanceOfTree, IntersectionTypeTree, LabeledStatementTree, LambdaExpressionTree, LiteralTree, MemberReferenceTree, MemberSelectTree, MethodInvocationTree, MethodTree, ModifiersTree, ModuleTree, NewArrayTree, NewClassTree, OpensTree, PackageTree, ParameterizedTypeTree, ParenthesizedTree, PatternCaseLabelTree, PatternTree, PrimitiveTypeTree, ProvidesTree, RequiresTree, ReturnTree, StatementTree, StringTemplateTree预览, SwitchExpressionTree, SwitchTree, SynchronizedTree, ThrowTree, TryTree, TypeCastTree, TypeParameterTree, UnaryTree, UnionTypeTree, UsesTree, VariableTree, WhileLoopTree, WildcardTree, YieldTree

       public interface Tree
      

所有抽象语法树中节点的通用接口。

警告: 此接口及其子接口可能会随着Java编程语言的发展而发生变化。这些接口由JDK Java编译器（javac）实现，不应该由其他应用程序直接或间接实现。

自Java版本:

1.6

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static enum	Tree.Kind	枚举所有种类的树。

Method Summary

Modifier and Type	Method	Description
<R, D> R	accept(TreeVisitor<R,D> visitor, D data)	用于实现访问者模式的接受方法。
Tree.Kind	getKind()	返回此树的种类。

Method Details

getKind

             Tree.Kind getKind()
            

返回此树的种类。

返回:

此树的种类

accept

             <R, D> R accept(TreeVisitor<R,D> visitor, D data)
            

用于实现访问者模式的接受方法。访问者模式用于在树上实现操作。

类型参数:

R - 此操作的结果类型

D - 附加数据的类型

参数:

visitor - 要调用的访问者

data - 要传递给访问者的值

返回:

调用访问者后返回的结果