Module java.base
Package java.lang.reflect

# Interface GenericDeclaration

All Superinterfaces:
  `AnnotatedElement`

All Known Implementing Classes:
  `Class`, `Constructor`, `Executable`, `Method`

public interface GenericDeclaration extends AnnotatedElement
A common interface for all entities that declare type variables.

Since:
  1.5

## Method Summary

Modifier and Type
Method
Description
`TypeVariable<?>[]`
`getTypeParameters()`
Returns an array of `TypeVariable` objects that represent the type variables declared by the generic declaration represented by this `GenericDeclaration` object, in declaration order.

### Methods declared in interface java.lang.reflect.AnnotatedElement

`getAnnotation, getAnnotations, getAnnotationsByType, getDeclaredAnnotation, getDeclaredAnnotations, getDeclaredAnnotationsByType, isAnnotationPresent`

## Method Details

### getTypeParameters

TypeVariable<?>[] getTypeParameters()
Returns an array of `TypeVariable` objects that represent the type variables declared by the generic declaration represented by this `GenericDeclaration` object, in declaration order. Returns an array of length 0 if the underlying generic declaration declares no type variables.

Returns:
  an array of `TypeVariable` objects that represent the type variables declared by this generic declaration
Throws:
  `GenericSignatureFormatError` - if the generic signature of this generic declaration does not conform to the format specified in The Java Virtual Machine Specification