Module java.base

Package java.lang.classfile.attribute^PREVIEW

Interface MethodParameterInfo

public sealed interface MethodParameterInfo

MethodParameterInfo is a preview API of the Java platform.

Programs can only use MethodParameterInfo when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Models a single method parameter in the MethodParametersAttribute^PREVIEW.

Since:

22

Method Summary

Modifier and Type	Method	Description
default Set<AccessFlag>	flags()	Parameter access flags for this parameter.
int	flagsMask()	Parameter access flags for this parameter, as a bit mask.
default boolean	has(AccessFlag flag)	Returns whether the method parameter has a specific flag set.
Optional<Utf8EntryPREVIEW>	name()	The name of the method parameter, if there is one.
static MethodParameterInfoPREVIEW	of(Optional<Utf8EntryPREVIEW> name, int flags)	Returns a method parameter description.
static MethodParameterInfoPREVIEW	of(Optional<String> name, AccessFlag... flags)	Returns a method parameter description.
static MethodParameterInfoPREVIEW	ofParameter(Optional<String> name, int flags)	Returns a method parameter description.

Method Details

name

Optional<Utf8EntryPREVIEW> name()

The name of the method parameter, if there is one.

Returns:

the parameter name, if it has one

flagsMask

int flagsMask()

Parameter access flags for this parameter, as a bit mask. Valid parameter flags include ClassFile.ACC_FINAL^PREVIEW, ClassFile.ACC_SYNTHETIC^PREVIEW, and ClassFile.ACC_MANDATED^PREVIEW.

Returns:

the access flags, as a bit mask

flags

default Set<AccessFlag> flags()

Parameter access flags for this parameter.

Returns:

the access flags, as a bit mask

has

default boolean has(AccessFlag flag)

Returns whether the method parameter has a specific flag set.

Parameters:

flag - the method parameter flag

Returns:

whether the method parameter has a specific flag set

of

static MethodParameterInfoPREVIEW of(Optional<Utf8EntryPREVIEW> name,
 int flags)

Returns a method parameter description.

Parameters:

name - the method parameter name

flags - the method parameter access flags

Returns:

a method parameter description

of

static MethodParameterInfoPREVIEW of(Optional<String> name,
 AccessFlag... flags)

Returns a method parameter description.

Parameters:

name - the method parameter name

flags - the method parameter access flags

Returns:

a method parameter description

ofParameter

static MethodParameterInfoPREVIEW ofParameter(Optional<String> name,
 int flags)

Returns a method parameter description.

Parameters:

name - the method parameter name

flags - the method parameter access flags

Returns:

a method parameter description