- All Superinterfaces:
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
Modifier and TypeInterfaceDescriptionstatic enum
The syntactic form of this case: STATEMENT:case <expression>: <statements>
RULE:case <expression> -> <expression>/<statement>
-
Method Summary
Modifier and TypeMethodDescriptiondefault Tree
getBody()
For case with kind CaseTree.CaseKind.RULE, returns the statement or expression after the arrow.default CaseTree.CaseKind
Returns the kind of this case.Deprecated.List
<? extends ExpressionTree> Returns the labels for this case.getGuard()
The guard for the case.List
<? extends CaseLabelTree> Returns the labels for this case.List
<? extends StatementTree> For case with kind CaseTree.CaseKind.STATEMENT, returns the statements labeled by the case.
-
Method Details
-
getExpression
Deprecated.Please usegetExpressions()
.Returns the expression for the case, ornull
if this is the default case. If this case has multiple labels, returns the first label.- Returns:
- the expression for the case, or null
-
getExpressions
List<? extends ExpressionTree> getExpressions()Returns the labels for this case. For default case, returns an empty list.- Returns:
- labels for this case
- Since:
- 12
-
getLabels
List<? extends CaseLabelTree> getLabels()Returns the labels for this case. Fordefault
case return a list with a single element,DefaultCaseLabelTree
.- Returns:
- labels for this case
- Since:
- 21
-
getGuard
ExpressionTree getGuard()The guard for the case.- Returns:
- the guard
- Since:
- 21
-
getStatements
List<? extends StatementTree> getStatements()For case with kind CaseTree.CaseKind.STATEMENT, returns the statements labeled by the case. Returnsnull
for case with kind CaseTree.CaseKind.RULE.- Returns:
- the statements labeled by the case or null
-
getBody
For case with kind CaseTree.CaseKind.RULE, returns the statement or expression after the arrow. Returnsnull
for case with kind CaseTree.CaseKind.STATEMENT.- Returns:
- case value or null
- Since:
- 12
-
getCaseKind
Returns the kind of this case.- Returns:
- the kind of this case
- Since:
- 12
-
getExpressions()
.