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Showing content from https://docs.oracle.com/en/java/javase/17/docs/api/jdk.jshell/jdk/jshell/Snippet.Kind.html below:

Snippet.Kind (Java SE 17 & JDK 17)

All Implemented Interfaces:

Serializable, Comparable<Snippet.Kind>, Constable

Enclosing class:

Snippet

Describes the general kind of snippet. The

is an immutable property of a Snippet. It is accessed with

. The

can be used to determine which subclass of Snippet it is. For example,

will return a snippet creation event. The

of that Snippet will be

, from which you know that the subclass of

is

and it can be cast as such.

• Nested Class Summary
• Enum Constant Summary

  Enum Constants

  A syntactically incorrect input for which the specific kind could not be determined.

  An expression, with or without side-effects.

  An import declaration: import ...

  One variable declaration.

• Method Summary

  boolean

  Indicates whether this Kind of Snippet is persistent.

  Returns the enum constant of this class with the specified name.

  Returns an array containing the constants of this enum class, in the order they are declared.

  Methods declared in class java.lang.Enumclone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

• Enum Constant Details
  • IMPORT

    See Java Language Specification:

    7.5 Import Declarations
    

  • TYPE_DECL

    See Java Language Specification:

    7.6 Top Level Type Declarations
    

  • METHOD

    See Java Language Specification:

    8.4 Method Declarations
    

  • VAR

    One variable declaration. Corresponding to one

    VariableDeclarator

    . The snippet is an instance of

    VarSnippet

    .

    The variable may be with or without initializer, or be a temporary variable representing an expression -- see Snippet.SubKindto differentiate.

    A variable declaration is persistent.

    See Java Language Specification:

    8.3 Field Declarations
    

  • EXPRESSION

    An expression, with or without side-effects. The snippet is an instance of

    ExpressionSnippet

    .

    The expression is currently either a simple named reference to a variable (Snippet.SubKind.VAR_VALUE_SUBKIND) or an assignment (both of which have natural referencing names) -- see Snippet.SubKind to differentiate. All other expression forms (operators, method calls, ...) generate a scratch variable and so are instead of the VAR Kind.

    See Java Language Specification:

    15 Expressions
    

  • STATEMENT

    See Java Language Specification:

    14.5 Statements
    

  • ERRONEOUS

    A syntactically incorrect input for which the specific kind could not be determined. The snippet is an instance of

    ErroneousSnippet

    .

• Method Details
  • values

    Returns an array containing the constants of this enum class, in the order they are declared.

    Returns:

    an array containing the constants of this enum class, in the order they are declared

  • valueOf

    Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

    Parameters:

    name - the name of the enum constant to be returned.

    Returns:

    the enum constant with the specified name

    Throws:

    IllegalArgumentException - if this enum class has no constant with the specified name

    NullPointerException - if the argument is null

  • isPersistent

    public boolean isPersistent()

    Indicates whether this

    Kind

    of Snippet is persistent. Only declarations are persistent because they influence future Snippets.

    Note that though the Kind of a Snippet may be persistent, that does not mean that the Snippet will persist; For example it may be invalid or have been dropped. See: Snippet.Status.isDefined().

    Returns:

    true if this Kind of Snippet is visible to subsequent evaluations; otherwise false

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