Spec-Zone .ru
спецификации, руководства, описания, API
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An array is an object of reference type which contains a fixed number of components of the same type; the length of an array is immutable. Creating an instance of an array requires knowledge of the length and component type. Each component may be a primitive type (e.g. byte
, int
, or double
), a reference type (e.g.
String
,
Object
java.nio.CharBuffer
Arrays are implemented in the Java virtual machine. The only methods on arrays are those inherited from
Object
length
field which is accessible via
java.lang.reflect.Array.getLength()
Reflection provides methods for accessing array types and array component types, creating new arrays, and retrieving and setting array component values. The following sections include examples of common operations on arrays:
All of these operations are supported via static
methods in
java.lang.reflect.Array