- All Superinterfaces:
Tree
public interface CaseTree extends Tree
A tree node for a
case in a switch statement or expression.
For example:
case expression :
statements
default :
statements
- See Java Language Specification:
-
14.11 The switch Statement
- Since:
- 1.6
-
Nested Class Summary
Nested Classes Modifier and Type Interface Description static classCaseTree.CaseKindDeprecated, for removal: This API element is subject to removal in a future version.This enum is used to model a rule case, which is part of a preview feature and may be removed if the preview feature is removed. -
Method Summary
Modifier and Type Method Description default TreegetBody()Deprecated, for removal: This API element is subject to removal in a future version.This method is modeling a rule case, which is part of a preview feature and may be removed if the preview feature is removed.default CaseTree.CaseKindgetCaseKind()Deprecated, for removal: This API element is subject to removal in a future version.This method is used to model a rule case, which is part of a preview feature and may be removed if the preview feature is removed.ExpressionTreegetExpression()Returns the expression for the case, ornullif this is the default case.List<? extends ExpressionTree>getExpressions()Deprecated, for removal: This API element is subject to removal in a future version.This method is modeling a case with multiple labels, which is part of a preview feature and may be removed if the preview feature is removed.List<? extends StatementTree>getStatements()For case with kind CaseTree.CaseKind.STATEMENT, returns the statements labeled by the case.
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Method Details
-
getExpression
ExpressionTree getExpression()Returns the expression for the case, ornullif this is the default case. If this case has multiple lables, returns the first label.- Returns:
- the expression for the case, or null
-
getExpressions
Deprecated, for removal: This API element is subject to removal in a future version.This method is modeling a case with multiple labels, which is part of a preview feature and may be removed if the preview feature is removed.Returns the labels for this case. For default case, returns an empty list.- Returns:
- labels for this case
- Since:
- 12
-
getStatements
List<? extends StatementTree> getStatements()For case with kind CaseTree.CaseKind.STATEMENT, returns the statements labeled by the case. Returnsnullfor case with kind CaseTree.CaseKind.RULE.- Returns:
- the statements labeled by the case or null
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getBody
Deprecated, for removal: This API element is subject to removal in a future version.This method is modeling a rule case, which is part of a preview feature and may be removed if the preview feature is removed.For case with kind CaseTree.CaseKind.RULE, returns the statement or expression after the arrow. Returnsnullfor case with kind CaseTree.CaseKind.STATEMENT.- Returns:
- case value or null
- Since:
- 12
-
getCaseKind
Deprecated, for removal: This API element is subject to removal in a future version.This method is used to model a rule case, which is part of a preview feature and may be removed if the preview feature is removed.Returns the kind of this case.- Returns:
- the kind of this case
- Since:
- 12
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