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/OpenJDK 25

Interface Tree

All Known Subinterfaces:
AnnotatedTypeTree, AnnotationTree, AnyPatternTree, 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, SwitchExpressionTree, SwitchTree, SynchronizedTree, ThrowTree, TryTree, TypeCastTree, TypeParameterTree, UnaryTree, UnionTypeTree, UsesTree, VariableTree, WhileLoopTree, WildcardTree, YieldTree
public interface Tree
Common interface for all nodes in an abstract syntax tree.

WARNING: This interface and its sub-interfaces are subject to change as the Java programming language evolves. These interfaces are implemented by the JDK Java compiler (javac) and should not be implemented either directly or indirectly by other applications.

Since:
1.6

Nested Class Summary

Modifier and Type Interface Description
static enum  Tree.Kind
Enumerates all kinds of trees.

Method Summary

Modifier and Type Method Description
<R,D> R accept(TreeVisitor<R,D> visitor, D data)
Accept method used to implement the visitor pattern.
Tree.Kind getKind()
Returns the kind of this tree.

Method Details

getKind

Tree.Kind getKind()
Returns the kind of this tree.
Returns:
the kind of this tree

accept

<R,D> R accept(TreeVisitor<R,D> visitor, D data)
Accept method used to implement the visitor pattern. The visitor pattern is used to implement operations on trees.
Type Parameters:
R - the result type of this operation
D - the type of additional data
Parameters:
visitor - the visitor to be called
data - a value to be passed to the visitor
Returns:
the result returned from calling the visitor

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/25/docs/api/jdk.compiler/com/sun/source/tree/Tree.html