GenericArrayType (Java Platform SE 8 )
Keywords: java.lang.reflect.GenericArrayType interface
Date: 2026-04-17

compact1, compact2, compact3
java.lang.reflect

## Interface GenericArrayType

- All Superinterfaces:
    Type

      public interface GenericArrayType
      extends Type

  `GenericArrayType` represents an array type whose component type is either a parameterized type or a type variable.
  Since:
    1.5

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `Type` | `getGenericComponentType()` Returns a `Type` object representing the component type of this array.

    - ### Methods inherited from interface java.lang.reflect.Type

      `getTypeName`

- - ### Method Detail

    - #### getGenericComponentType

          Type getGenericComponentType()

      Returns a `Type` object representing the component type of this array. This method creates the component type of the array. See the declaration of `ParameterizedType` for the semantics of the creation process for parameterized types and see `TypeVariable` for the creation process for type variables.
      Returns:
        a `Type` object representing the component type of this array
      Throws:
        `TypeNotPresentException` - if the underlying array type's component type refers to a non-existent type declaration
        `MalformedParameterizedTypeException` - if the underlying array type's component type refers to a parameterized type that cannot be instantiated for any reason

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