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Added in API level 1

Summary: Constants | Ctors | Methods | Inherited Methods | [Expand All]

Modifier

public class Modifier
extends Object

java.lang.Object
↳	java.lang.reflect.Modifier

The Modifier class provides static methods and constants to decode class and member access modifiers. The sets of modifiers are represented as integers with distinct bit positions representing different modifiers. The values for the constants representing the modifiers are taken from the tables in sections 4.1, 4.4, 4.5, and 4.7 of The Java™ Virtual Machine Specification.

See also:

getModifiers()
getModifiers()

Summary

Constants
`int`	`ABSTRACT` The `int` value representing the `abstract` modifier.
`int`	`FINAL` The `int` value representing the `final` modifier.
`int`	`INTERFACE` The `int` value representing the `interface` modifier.
`int`	`NATIVE` The `int` value representing the `native` modifier.
`int`	`PRIVATE` The `int` value representing the `private` modifier.
`int`	`PROTECTED` The `int` value representing the `protected` modifier.
`int`	`PUBLIC` The `int` value representing the `public` modifier.
`int`	`STATIC` The `int` value representing the `static` modifier.
`int`	`STRICT` The `int` value representing the `strictfp` modifier.
`int`	`SYNCHRONIZED` The `int` value representing the `synchronized` modifier.
`int`	`TRANSIENT` The `int` value representing the `transient` modifier.
`int`	`VOLATILE` The `int` value representing the `volatile` modifier.

Public constructors
`Modifier()`

Public methods
`static int`	`classModifiers()` Return an `int` value OR-ing together the source language modifiers that can be applied to a class.
`static int`	`constructorModifiers()` Return an `int` value OR-ing together the source language modifiers that can be applied to a constructor.
`static int`	`fieldModifiers()` Return an `int` value OR-ing together the source language modifiers that can be applied to a field.
`static int`	`interfaceModifiers()` Return an `int` value OR-ing together the source language modifiers that can be applied to an interface.
`static boolean`	`isAbstract(int mod)` Return `true` if the integer argument includes the `abstract` modifier, `false` otherwise.
`static boolean`	`isFinal(int mod)` Return `true` if the integer argument includes the `final` modifier, `false` otherwise.
`static boolean`	`isInterface(int mod)` Return `true` if the integer argument includes the `interface` modifier, `false` otherwise.
`static boolean`	`isNative(int mod)` Return `true` if the integer argument includes the `native` modifier, `false` otherwise.
`static boolean`	`isPrivate(int mod)` Return `true` if the integer argument includes the `private` modifier, `false` otherwise.
`static boolean`	`isProtected(int mod)` Return `true` if the integer argument includes the `protected` modifier, `false` otherwise.
`static boolean`	`isPublic(int mod)` Return `true` if the integer argument includes the `public` modifier, `false` otherwise.
`static boolean`	`isStatic(int mod)` Return `true` if the integer argument includes the `static` modifier, `false` otherwise.
`static boolean`	`isStrict(int mod)` Return `true` if the integer argument includes the `strictfp` modifier, `false` otherwise.
`static boolean`	`isSynchronized(int mod)` Return `true` if the integer argument includes the `synchronized` modifier, `false` otherwise.
`static boolean`	`isTransient(int mod)` Return `true` if the integer argument includes the `transient` modifier, `false` otherwise.
`static boolean`	`isVolatile(int mod)` Return `true` if the integer argument includes the `volatile` modifier, `false` otherwise.
`static int`	`methodModifiers()` Return an `int` value OR-ing together the source language modifiers that can be applied to a method.
`static String`	`toString(int mod)` Return a string describing the access modifier flags in the specified modifier.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Constants

ABSTRACT

Added in API level 1

int ABSTRACT

The int value representing the abstract modifier.

Constant Value: 1024 (0x00000400)

FINAL

Added in API level 1

int FINAL

The int value representing the final modifier.

Constant Value: 16 (0x00000010)

INTERFACE

Added in API level 1

int INTERFACE

The int value representing the interface modifier.

Constant Value: 512 (0x00000200)

NATIVE

Added in API level 1

int NATIVE

The int value representing the native modifier.

Constant Value: 256 (0x00000100)

PRIVATE

Added in API level 1

int PRIVATE

The int value representing the private modifier.

Constant Value: 2 (0x00000002)

PROTECTED

Added in API level 1

int PROTECTED

The int value representing the protected modifier.

Constant Value: 4 (0x00000004)

PUBLIC

Added in API level 1

int PUBLIC

The int value representing the public modifier.

Constant Value: 1 (0x00000001)

STATIC

Added in API level 1

int STATIC

The int value representing the static modifier.

Constant Value: 8 (0x00000008)

STRICT

Added in API level 1

int STRICT

The int value representing the strictfp modifier.

Constant Value: 2048 (0x00000800)

SYNCHRONIZED

Added in API level 1

int SYNCHRONIZED

The int value representing the synchronized modifier.

Constant Value: 32 (0x00000020)

TRANSIENT

Added in API level 1

int TRANSIENT

The int value representing the transient modifier.

Constant Value: 128 (0x00000080)

VOLATILE

Added in API level 1

int VOLATILE

The int value representing the volatile modifier.

Constant Value: 64 (0x00000040)

Public constructors

Modifier

Added in API level 1

Modifier ()

Public methods

classModifiers

Added in API level 19

int classModifiers ()

Return an int value OR-ing together the source language modifiers that can be applied to a class.

Returns
`int`	an `int` value OR-ing together the source language modifiers that can be applied to a class.

constructorModifiers

Added in API level 19

int constructorModifiers ()

Return an int value OR-ing together the source language modifiers that can be applied to a constructor.

Returns
`int`	an `int` value OR-ing together the source language modifiers that can be applied to a constructor.

fieldModifiers

Added in API level 19

int fieldModifiers ()

Return an int value OR-ing together the source language modifiers that can be applied to a field.

Returns
`int`	an `int` value OR-ing together the source language modifiers that can be applied to a field.

interfaceModifiers

Added in API level 19

int interfaceModifiers ()

Return an int value OR-ing together the source language modifiers that can be applied to an interface.

Returns
`int`	an `int` value OR-ing together the source language modifiers that can be applied to an inteface.

isAbstract

Added in API level 1

boolean isAbstract (int mod)

Return true if the integer argument includes the abstract modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `abstract` modifier; `false` otherwise.

isFinal

Added in API level 1

boolean isFinal (int mod)

Return true if the integer argument includes the final modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `final` modifier; `false` otherwise.

isInterface

Added in API level 1

boolean isInterface (int mod)

Return true if the integer argument includes the interface modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `interface` modifier; `false` otherwise.

isNative

Added in API level 1

boolean isNative (int mod)

Return true if the integer argument includes the native modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `native` modifier; `false` otherwise.

isPrivate

Added in API level 1

boolean isPrivate (int mod)

Return true if the integer argument includes the private modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `private` modifier; `false` otherwise.

isProtected

Added in API level 1

boolean isProtected (int mod)

Return true if the integer argument includes the protected modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `protected` modifier; `false` otherwise.

isPublic

Added in API level 1

boolean isPublic (int mod)

Return true if the integer argument includes the public modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `public` modifier; `false` otherwise.

isStatic

Added in API level 1

boolean isStatic (int mod)

Return true if the integer argument includes the static modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `static` modifier; `false` otherwise.

isStrict

Added in API level 1

boolean isStrict (int mod)

Return true if the integer argument includes the strictfp modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `strictfp` modifier; `false` otherwise.

isSynchronized

Added in API level 1

boolean isSynchronized (int mod)

Return true if the integer argument includes the synchronized modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `synchronized` modifier; `false` otherwise.

isTransient

Added in API level 1

boolean isTransient (int mod)

Return true if the integer argument includes the transient modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `transient` modifier; `false` otherwise.

isVolatile

Added in API level 1

boolean isVolatile (int mod)

Return true if the integer argument includes the volatile modifier, false otherwise.

Parameters
`mod`	`int`: a set of modifiers

Returns
`boolean`	`true` if `mod` includes the `volatile` modifier; `false` otherwise.

methodModifiers

Added in API level 19

int methodModifiers ()

Return an int value OR-ing together the source language modifiers that can be applied to a method.

Returns
`int`	an `int` value OR-ing together the source language modifiers that can be applied to a method.

toString

Added in API level 1

String toString (int mod)

Return a string describing the access modifier flags in the specified modifier. For example:

    public final synchronized strictfp

The modifier names are returned in an order consistent with the suggested modifier orderings given in sections 8.1.1, 8.3.1, 8.4.3, 8.8.3, and 9.1.1 of The Java™ Language Specification. The full modifier ordering used by this method is:

public protected private abstract static final transient volatile synchronized native strictfp interface

The interface modifier discussed in this class is not a true modifier in the Java language and it appears after all other modifiers listed by this method. This method may return a string of modifiers that are not valid modifiers of a Java entity; in other words, no checking is done on the possible validity of the combination of modifiers represented by the input. Note that to perform such checking for a known kind of entity, such as a constructor or method, first AND the argument of toString with the appropriate mask from a method like constructorModifiers() or methodModifiers().

Parameters
`mod`	`int`: a set of modifiers

Returns
`String`	a string representation of the set of modifiers represented by `mod`