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/OpenJDK 25

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:
24
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 in the range of unsigned short, [0, 0xFFFF].
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

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

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/25/docs/api/java.base/java/lang/classfile/attribute/MethodParameterInfo.html