| Package | Description | 
|---|---|
| java.lang | 
 Provides classes that are fundamental to the design of the Java
 programming language. 
 | 
| java.lang.reflect | 
 Provides classes and interfaces for obtaining reflective
 information about classes and objects. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
Class<T>
Instances of the class  
Class represent classes and
 interfaces in a running Java application. | 
class  | 
Package
Package objects contain version information
 about the implementation and specification of a Java package. | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
AnnotatedArrayType
AnnotatedArrayType represents the potentially annotated use of an
 array type, whose component type may itself represent the annotated use of a
 type. | 
interface  | 
AnnotatedParameterizedType
AnnotatedParameterizedType represents the potentially annotated use
 of a parameterized type, whose type arguments may themselves represent
 annotated uses of types. | 
interface  | 
AnnotatedType
AnnotatedType represents the potentially annotated use of a type in
 the program currently running in this VM. | 
interface  | 
AnnotatedTypeVariable
AnnotatedTypeVariable represents the potentially annotated use of a
 type variable, whose declaration may have bounds which themselves represent
 annotated uses of types. | 
interface  | 
AnnotatedWildcardType
AnnotatedWildcardType represents the potentially annotated use of a
 wildcard type argument, whose upper or lower bounds may themselves represent
 annotated uses of types. | 
interface  | 
GenericDeclaration
A common interface for all entities that declare type variables. 
 | 
interface  | 
TypeVariable<D extends GenericDeclaration>
TypeVariable is the common superinterface for type variables of kinds. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
AccessibleObject
The AccessibleObject class is the base class for Field, Method and
 Constructor objects. 
 | 
class  | 
Constructor<T>
Constructor provides information about, and access to, a single
 constructor for a class. | 
class  | 
Executable
A shared superclass for the common functionality of  
Method
 and Constructor. | 
class  | 
Field
A  
Field provides information about, and dynamic access to, a
 single field of a class or an interface. | 
class  | 
Method
A  
Method provides information about, and access to, a single method
 on a class or interface. | 
class  | 
Parameter
Information about method parameters. 
 | 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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