Interface Signature.TypeArg

All Known Subinterfaces:

Signature.TypeArg.Bounded, Signature.TypeArg.Unbounded

Enclosing interface:

Signature

public static sealed interface Signature.TypeArg
permits Signature.TypeArg.Unbounded, Signature.TypeArg.Bounded

Models a type argument, an argument to a type parameter.

See Java Language Specification:

4.5.1 Type Arguments of Parameterized Types

See Java Virtual Machine Specification:

4.7.9.1 Signatures

Sealed Class Hierarchy Graph:

Since:

24

See Also:

• Type
• WildcardType

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	Signature.TypeArg.Bounded	Models a type argument with an explicit bound type.
static interface	Signature.TypeArg.Unbounded	Models an unbounded wildcard type argument *, or ? in Java programs.

Method Summary

Static Methods

Modifier and Type	Method	Description
static Signature.TypeArg.Bounded	bounded(Signature.TypeArg.Bounded.WildcardIndicator wildcard, Signature.RefTypeSig boundType)	Returns a bounded type argument.
static Signature.TypeArg.Bounded	extendsOf(Signature.RefTypeSig boundType)	Returns an upper-bounded wildcard type argument.
static Signature.TypeArg.Bounded	of(Signature.RefTypeSig boundType)	Returns a type argument of a reference type.
static Signature.TypeArg.Bounded	superOf(Signature.RefTypeSig boundType)	Returns a lower-bounded wildcard type argument.
static Signature.TypeArg.Unbounded	unbounded()	Returns an unbounded wildcard type argument *.

Method Details

of

static Signature.TypeArg.Bounded of(Signature.RefTypeSig boundType)

Returns a type argument of a reference type.

Parameters:

boundType - the reference type

Returns:

a type argument of a reference type

See Also:

• Signature.TypeArg.Bounded.WildcardIndicator.NONE

unbounded

static Signature.TypeArg.Unbounded unbounded()

Returns an unbounded wildcard type argument *.

Returns:

an unbounded wildcard type argument *

extendsOf

static Signature.TypeArg.Bounded extendsOf(Signature.RefTypeSig boundType)

Returns an upper-bounded wildcard type argument.

Parameters:

boundType - the upper bound

Returns:

an upper-bounded wildcard type argument

See Also:

• Signature.TypeArg.Bounded.WildcardIndicator.EXTENDS

superOf

static Signature.TypeArg.Bounded superOf(Signature.RefTypeSig boundType)

Returns a lower-bounded wildcard type argument.

Parameters:

boundType - the lower bound

Returns:

a lower-bounded wildcard type argument

See Also:

• Signature.TypeArg.Bounded.WildcardIndicator.SUPER

bounded

static Signature.TypeArg.Bounded bounded(Signature.TypeArg.Bounded.WildcardIndicator wildcard,
 Signature.RefTypeSig boundType)

Returns a bounded type argument.

Parameters:

wildcard - the wildcard indicator

boundType - the bound type

Returns:

a bounded type argument