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Added in API level 1

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

Field

public final class Field
extends AccessibleObject implements Member

java.lang.Object
↳	java.lang.reflect.AccessibleObject
	↳	java.lang.reflect.Field

A Field provides information about, and dynamic access to, a single field of a class or an interface. The reflected field may be a class (static) field or an instance field.

A Field permits widening conversions to occur during a get or set access operation, but throws an IllegalArgumentException if a narrowing conversion would occur.

See also:

Summary

Inherited constants

From interface


    java.lang.reflect.Member

Public methods
`boolean`	`equals(Object obj)` Compares this `Field` against the specified object.
`Object`	`get(Object object)` Returns the value of the field represented by this `Field`, on the specified object.
`<A extends Annotation> A`	`getAnnotation(Class<A> annotationType)` Returns this element's annotation for the specified type if such an annotation is present, else null.
`boolean`	`getBoolean(Object object)` Gets the value of a static or instance `boolean` field.
`byte`	`getByte(Object object)` Gets the value of a static or instance `byte` field.
`char`	`getChar(Object object)` Gets the value of a static or instance field of type `char` or of another primitive type convertible to type `char` via a widening conversion.
`Annotation[]`	`getDeclaredAnnotations()` Returns all annotations that are directly present on this element.
`Class<?>`	`getDeclaringClass()` Returns the `Class` object representing the class or interface that declares the field represented by this `Field` object.
`double`	`getDouble(Object object)` Gets the value of a static or instance field of type `double` or of another primitive type convertible to type `double` via a widening conversion.
`float`	`getFloat(Object object)` Gets the value of a static or instance field of type `float` or of another primitive type convertible to type `float` via a widening conversion.
`Type`	`getGenericType()` Returns a `Type` object that represents the declared type for the field represented by this `Field` object.
`int`	`getInt(Object object)` Gets the value of a static or instance field of type `int` or of another primitive type convertible to type `int` via a widening conversion.
`long`	`getLong(Object object)` Gets the value of a static or instance field of type `long` or of another primitive type convertible to type `long` via a widening conversion.
`int`	`getModifiers()` Returns the Java language modifiers for the field represented by this `Field` object, as an integer.
`String`	`getName()` Returns the name of the field represented by this `Field` object.
`short`	`getShort(Object object)` Gets the value of a static or instance field of type `short` or of another primitive type convertible to type `short` via a widening conversion.
`Class<?>`	`getType()` Returns a `Class` object that identifies the declared type for the field represented by this `Field` object.
`int`	`hashCode()` Returns a hashcode for this `Field`.
`boolean`	`isAnnotationPresent(Class<? extends Annotation> annotationType)`
`boolean`	`isEnumConstant()` Returns `true` if this field represents an element of an enumerated type; returns `false` otherwise.
`boolean`	`isSynthetic()` Returns `true` if this field is a synthetic field; returns `false` otherwise.
`void`	`set(Object object, Object value)` Sets the field represented by this `Field` object on the specified object argument to the specified new value.
`void`	`setBoolean(Object object, boolean value)` Sets the value of a field as a `boolean` on the specified object.
`void`	`setByte(Object object, byte value)` Sets the value of a field as a `byte` on the specified object.
`void`	`setChar(Object object, char value)` Sets the value of a field as a `char` on the specified object.
`void`	`setDouble(Object object, double value)` Sets the value of a field as a `double` on the specified object.
`void`	`setFloat(Object object, float value)` Sets the value of a field as a `float` on the specified object.
`void`	`setInt(Object object, int value)` Sets the value of a field as an `int` on the specified object.
`void`	`setLong(Object object, long value)` Sets the value of a field as a `long` on the specified object.
`void`	`setShort(Object object, short value)` Sets the value of a field as a `short` on the specified object.
`String`	`toGenericString()` Returns a string describing this `Field`, including its generic type.
`String`	`toString()` Returns a string describing this `Field`.

Inherited methods

From class


  
    java.lang.reflect.AccessibleObject

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.

From interface


  
    java.lang.reflect.AnnotatedElement

`abstract <T extends Annotation> T`	`getAnnotation(Class<T> annotationClass)` Returns this element's annotation for the specified type if such an annotation is present, else null.
`abstract Annotation[]`	`getAnnotations()` Returns all annotations present on this element.
`default <T extends Annotation> T[]`	`getAnnotationsByType(Class<T> annotationClass)` Returns an associated list of annotations on `this` element, whose class is `annotationClass`, or an empty array if nothing was found.
`default <T extends Annotation> Annotation`	`getDeclaredAnnotation(Class<T> annotationClass)` Returns a directly-present annotation on `this` element, whose class is `annotationClass`, or `null` if nothing was found.
`abstract Annotation[]`	`getDeclaredAnnotations()` Returns all annotations that are directly present on this element.
`default <T extends Annotation> T[]`	`getDeclaredAnnotationsByType(Class<T> annotationClass)` Returns a directly or indirectly present list of annotations on `this` element, whose class is `annotationClass`, or an empty array if nothing was found.
`default boolean`	`isAnnotationPresent(Class<? extends Annotation> annotationClass)` Returns true if an annotation for the specified type is present on this element, else false.

From interface


  
    java.lang.reflect.Member

Public methods

equals

Added in API level 1

boolean equals (Object obj)

Compares this Field against the specified object. Returns true if the objects are the same. Two Field objects are the same if they were declared by the same class and have the same name and type.

Parameters
`obj`	`Object`: the reference object with which to compare.

Returns
`boolean`	`true` if this object is the same as the obj argument; `false` otherwise.

get

Added in API level 1

Object get (Object object)

Returns the value of the field represented by this Field, on the specified object. The value is automatically wrapped in an object if it has a primitive type.

The underlying field's value is obtained as follows:

If the underlying field is a static field, the obj argument is ignored; it may be null.

Otherwise, the underlying field is an instance field. If the specified obj argument is null, the method throws a NullPointerException. If the specified object is not an instance of the class or interface declaring the underlying field, the method throws an IllegalArgumentException.

If this Field object is enforcing Java language access control, and the underlying field is inaccessible, the method throws an IllegalAccessException. If the underlying field is static, the class that declared the field is initialized if it has not already been initialized.

Otherwise, the value is retrieved from the underlying instance or static field. If the field has a primitive type, the value is wrapped in an object before being returned, otherwise it is returned as is.

If the field is hidden in the type of obj, the field's value is obtained according to the preceding rules.

Parameters
`object`	`Object`: object from which the represented field's value is to be extracted

Returns
`Object`	the value of the represented field in object `obj`; primitive values are wrapped in an appropriate object before being returned

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof).
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

getAnnotation

Added in API level 14

A getAnnotation (Class<A> annotationType)

Returns this element's annotation for the specified type if such an annotation is present, else null.

Parameters
`annotationType`	`Class`: the Class object corresponding to the annotation type

Returns
`A`	this element's annotation for the specified annotation type if present on this element, else null

Throws
`NullPointerException`

getBoolean

Added in API level 1

boolean getBoolean (Object object)

Gets the value of a static or instance boolean field.

Parameters
`object`	`Object`: the object to extract the `boolean` value from

Returns
`boolean`	the value of the `boolean` field

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `boolean` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getByte

Added in API level 1

byte getByte (Object object)

Gets the value of a static or instance byte field.

Parameters
`object`	`Object`: the object to extract the `byte` value from

Returns
`byte`	the value of the `byte` field

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `byte` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getChar

Added in API level 1

char getChar (Object object)

Gets the value of a static or instance field of type char or of another primitive type convertible to type char via a widening conversion.

Parameters
`object`	`Object`: the object to extract the `char` value from

Returns
`char`	the value of the field converted to type `char`

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `char` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getDeclaredAnnotations

Added in API level 1

Annotation[] getDeclaredAnnotations ()

Returns all annotations that are directly present on this element. Unlike the other methods in this interface, this method ignores inherited annotations. (Returns an array of length zero if no annotations are directly present on this element.) The caller of this method is free to modify the returned array; it will have no effect on the arrays returned to other callers.

Returns
`Annotation[]`	All annotations directly present on this element

getDeclaringClass

Added in API level 1

Class<?> getDeclaringClass ()

Returns the Class object representing the class or interface that declares the field represented by this Field object.

Returns
`Class<?>`	an object representing the declaring class of the underlying member

getDouble

Added in API level 1

double getDouble (Object object)

Gets the value of a static or instance field of type double or of another primitive type convertible to type double via a widening conversion.

Parameters
`object`	`Object`: the object to extract the `double` value from

Returns
`double`	the value of the field converted to type `double`

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `double` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getFloat

Added in API level 1

float getFloat (Object object)

Gets the value of a static or instance field of type float or of another primitive type convertible to type float via a widening conversion.

Parameters
`object`	`Object`: the object to extract the `float` value from

Returns
`float`	the value of the field converted to type `float`

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `float` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getGenericType

Added in API level 1

Type getGenericType ()

Returns a Type object that represents the declared type for the field represented by this Field object.

If the Type is a parameterized type, the Type object returned must accurately reflect the actual type parameters used in the source code.

If the type of the underlying field is a type variable or a parameterized type, it is created. Otherwise, it is resolved.

Returns
`Type`	a `Type` object that represents the declared type for the field represented by this `Field` object

Throws
`GenericSignatureFormatError`	if the generic field signature does not conform to the format specified in The Java™ Virtual Machine Specification
`TypeNotPresentException`	if the generic type signature of the underlying field refers to a non-existent type declaration
`MalformedParameterizedTypeException`	if the generic signature of the underlying field refers to a parameterized type that cannot be instantiated for any reason

getInt

Added in API level 1

int getInt (Object object)

Gets the value of a static or instance field of type int or of another primitive type convertible to type int via a widening conversion.

Parameters
`object`	`Object`: the object to extract the `int` value from

Returns
`int`	the value of the field converted to type `int`

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `int` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getLong

Added in API level 1

long getLong (Object object)

Gets the value of a static or instance field of type long or of another primitive type convertible to type long via a widening conversion.

Parameters
`object`	`Object`: the object to extract the `long` value from

Returns
`long`	the value of the field converted to type `long`

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `long` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getModifiers

Added in API level 1

int getModifiers ()

Returns the Java language modifiers for the field represented by this Field object, as an integer. The Modifier class should be used to decode the modifiers.

Returns
`int`	the Java language modifiers for the underlying member

See also:

Modifier

getName

Added in API level 1

String getName ()

Returns the name of the field represented by this Field object.

Returns
`String`	the simple name of the underlying member

getShort

Added in API level 1

short getShort (Object object)

Gets the value of a static or instance field of type short or of another primitive type convertible to type short via a widening conversion.

Parameters
`object`	`Object`: the object to extract the `short` value from

Returns
`short`	the value of the field converted to type `short`

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is inaccessible.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if the field value cannot be converted to the type `short` by a widening conversion.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

get(Object)

getType

Added in API level 1

Class<?> getType ()

Returns a Class object that identifies the declared type for the field represented by this Field object.

Returns
`Class<?>`	a `Class` object identifying the declared type of the field represented by this object

hashCode

Added in API level 1

int hashCode ()

Returns a hashcode for this Field. This is computed as the exclusive-or of the hashcodes for the underlying field's declaring class name and its name.

Returns
`int`	a hash code value for this object.

isAnnotationPresent

Added in API level 1

boolean isAnnotationPresent (Class<? extends Annotation> annotationType)

Parameters
`annotationType`	`Class`

Returns
`boolean`

isEnumConstant

Added in API level 1

boolean isEnumConstant ()

Returns true if this field represents an element of an enumerated type; returns false otherwise.

Returns
`boolean`	`true` if and only if this field represents an element of an enumerated type.

isSynthetic

Added in API level 1

boolean isSynthetic ()

Returns true if this field is a synthetic field; returns false otherwise.

Returns
`boolean`	true if and only if this field is a synthetic field as defined by the Java Language Specification.

set

Added in API level 1

void set (Object object, 
                Object value)

Sets the field represented by this Field object on the specified object argument to the specified new value. The new value is automatically unwrapped if the underlying field has a primitive type.

The operation proceeds as follows:

If the underlying field is static, the obj argument is ignored; it may be null.

Otherwise the underlying field is an instance field. If the specified object argument is null, the method throws a NullPointerException. If the specified object argument is not an instance of the class or interface declaring the underlying field, the method throws an IllegalArgumentException.

If this Field object is enforcing Java language access control, and the underlying field is inaccessible, the method throws an IllegalAccessException.

If the underlying field is final, the method throws an IllegalAccessException unless setAccessible(true) has succeeded for this Field object and the field is non-static. Setting a final field in this way is meaningful only during deserialization or reconstruction of instances of classes with blank final fields, before they are made available for access by other parts of a program. Use in any other context may have unpredictable effects, including cases in which other parts of a program continue to use the original value of this field.

If the underlying field is of a primitive type, an unwrapping conversion is attempted to convert the new value to a value of a primitive type. If this attempt fails, the method throws an IllegalArgumentException.

If, after possible unwrapping, the new value cannot be converted to the type of the underlying field by an identity or widening conversion, the method throws an IllegalArgumentException.

If the underlying field is static, the class that declared the field is initialized if it has not already been initialized.

The field is set to the possibly unwrapped and widened new value.

If the field is hidden in the type of obj, the field's value is set according to the preceding rules.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`Object`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

setBoolean

Added in API level 1

void setBoolean (Object object, 
                boolean value)

Sets the value of a field as a boolean on the specified object. This method is equivalent to set(obj, zObj), where zObj is a Boolean object and zObj.booleanValue() == z.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`boolean`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setByte

Added in API level 1

void setByte (Object object, 
                byte value)

Sets the value of a field as a byte on the specified object. This method is equivalent to set(obj, bObj), where bObj is a Byte object and bObj.byteValue() == b.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`byte`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setChar

Added in API level 1

void setChar (Object object, 
                char value)

Sets the value of a field as a char on the specified object. This method is equivalent to set(obj, cObj), where cObj is a Character object and cObj.charValue() == c.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`char`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setDouble

Added in API level 1

void setDouble (Object object, 
                double value)

Sets the value of a field as a double on the specified object. This method is equivalent to set(obj, dObj), where dObj is a Double object and dObj.doubleValue() == d.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`double`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setFloat

Added in API level 1

void setFloat (Object object, 
                float value)

Sets the value of a field as a float on the specified object. This method is equivalent to set(obj, fObj), where fObj is a Float object and fObj.floatValue() == f.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`float`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setInt

Added in API level 1

void setInt (Object object, 
                int value)

Sets the value of a field as an int on the specified object. This method is equivalent to set(obj, iObj), where iObj is a Integer object and iObj.intValue() == i.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`int`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setLong

Added in API level 1

void setLong (Object object, 
                long value)

Sets the value of a field as a long on the specified object. This method is equivalent to set(obj, lObj), where lObj is a Long object and lObj.longValue() == l.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`long`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

setShort

Added in API level 1

void setShort (Object object, 
                short value)

Sets the value of a field as a short on the specified object. This method is equivalent to set(obj, sObj), where sObj is a Short object and sObj.shortValue() == s.

Parameters
`object`	`Object`: the object whose field should be modified
`value`	`short`: the new value for the field of `obj` being modified

Throws
`IllegalAccessException`	if this `Field` object is enforcing Java language access control and the underlying field is either inaccessible or final.
`IllegalArgumentException`	if the specified object is not an instance of the class or interface declaring the underlying field (or a subclass or implementor thereof), or if an unwrapping conversion fails.
`NullPointerException`	if the specified object is null and the field is an instance field.
`ExceptionInInitializerError`	if the initialization provoked by this method fails.

See also:

set(Object, Object)

toGenericString

Added in API level 1

String toGenericString ()

Returns a string describing this Field, including its generic type. The format is the access modifiers for the field, if any, followed by the generic field type, followed by a space, followed by the fully-qualified name of the class declaring the field, followed by a period, followed by the name of the field.

The modifiers are placed in canonical order as specified by "The Java Language Specification". This is public, protected or private first, and then other modifiers in the following order: static, final, transient, volatile.

Returns
`String`	a string describing this `Field`, including its generic type

toString

Added in API level 1

String toString ()

Returns a string describing this Field. The format is the access modifiers for the field, if any, followed by the field type, followed by a space, followed by the fully-qualified name of the class declaring the field, followed by a period, followed by the name of the field. For example:

    public static final int java.lang.Thread.MIN_PRIORITY
    private int java.io.FileDescriptor.fd

Returns
`String`	a string representation of the object.