Module jdk.compiler
Package com.sun.source.tree

Interface InstanceOfTree

All Superinterfaces:
ExpressionTree, Tree
public interface InstanceOfTree extends ExpressionTree
A tree node for an instanceof expression. For example: 
   expression instanceof type
See Java Language Specification:
15.20.2 Type Comparison Operator instanceof
Since:
1.6

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static enum 
    InstanceOfTree.TestKindPREVIEW
    Preview.
    Two possible variants of instanceof expressions: testing types, and performing pattern matching

    Nested classes/interfaces declared in interface com.sun.source.tree.Tree

    Tree.Kind

  • Method Summary

    Modifier and Type
    Method
    Description
    ExpressionTree
    getExpression()
    Returns the expression to be tested.
    PatternTree
    getPattern()
    Returns the tested pattern, or null if this instanceof does not use a pattern.
    InstanceOfTree.TestKindPREVIEW
    getTestKind()
    Preview.
    Returns the kind of this instanceof expression.
    Tree
    getType()
    Returns the type for which to check.

    Methods declared in interface com.sun.source.tree.Tree

    accept, getKind

  • Method Details

    • getExpression

      ExpressionTree getExpression()
      Returns the expression to be tested.
      Returns:
      the expression

    • getType

      Tree getType()
      Returns the type for which to check.
      Returns:
      the type
      See Also:

    • getPattern

      PatternTree getPattern()
      Returns the tested pattern, or null if this instanceof does not use a pattern.

      For instanceof with a pattern, i.e. in the following form: 

         expression instanceof type variable name
      returns the pattern.

      For instanceof without a pattern, i.e. in the following form: 

         expression instanceof type
      returns null.
      Returns:
      the tested pattern, or null if this instanceof does not use a pattern
      Since:
      16

    • getTestKind

      InstanceOfTree.TestKindPREVIEW getTestKind()
      getTestKind is a reflective preview API of the Java platform.
      Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
      Returns the kind of this instanceof expression.
      Returns:
      the kind of this instanceof expression
      Since:
      20