Interface MethodParameterInfo

public sealed interface MethodParameterInfo

Models a single method parameter in the MethodParametersAttribute.

See Java Virtual Machine Specification:

4.7.24 The MethodParameters Attribute

Since:

See Also:

Method Summary

Modifier and Type	Method	Description
`default Set<AccessFlag>`	`flags()`	Returns the access flags, as a set of flag enums.
`int`	`flagsMask()`	Returns the access flags, as a bit mask.
`default boolean`	`has(AccessFlag flag)`	Returns whether the method parameter has a specific flag set.
`Optional<Utf8Entry>`	`name()`	Returns the parameter name, if it has one.
`static MethodParameterInfo`	`of(Optional<Utf8Entry> name, int flags)`	Returns a method parameter description.
`static MethodParameterInfo`	`of(Optional<String> name, AccessFlag... flags)`	Returns a method parameter description.
`static MethodParameterInfo`	`ofParameter(Optional<String> name, int flags)`	Returns a method parameter description.

Method Details

name

Optional<Utf8Entry> name()

Returns the parameter name, if it has one.

Returns:

the parameter name, if it has one

See Also:

flagsMask

int flagsMask()

Returns the access flags, as a bit mask. It is a u2 value.

Returns:

the access flags, as a bit mask

See Also:

flags

default Set<AccessFlag> flags()

Returns the access flags, as a set of flag enums.

Returns:

the access flags, as a set of flag enums

Throws:

IllegalArgumentException - if the flags mask has any undefined bit set

See Also:

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

See Also:

of

static MethodParameterInfo of(Optional<Utf8Entry> name, int flags)

Returns a method parameter description.

Parameters:: name - the method parameter name, may be empty; flags - the method parameter access flags
Returns:: a method parameter description
Throws:: IllegalArgumentException - if flags is not u2

of

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

Returns a method parameter description.

Parameters:: name - the method parameter name, may be empty; flags - the method parameter access flags
Returns:: a method parameter description
Throws:: IllegalArgumentException - if any flag cannot be applied to the AccessFlag.Location.METHOD_PARAMETER location

ofParameter

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

Returns a method parameter description.

Parameters:: name - the method parameter name, may be empty; flags - the method parameter access flags
Returns:: a method parameter description
Throws:: IllegalArgumentException - if flags is not u2

© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.