Where is array s length property defined

Question

We can determine the length of an ArrayList lt E gt  using its public method size    like  ArrayList lt Integer gt  arr   new ArrayList 10   int size   arr size      Similarly we can determine the length of an Array object using the length property  String   str   new String 10   int size    str length    Whereas the size   method of ArrayList is defined inside the ArrayList class  where is this length property of Array defined

User · Answer

Arrays are special objects in java  they have a simple attribute named length which is final     There is no  class definition  of an array  you can t find it in any  class file   they re a part of the language itself         10 7  Array Members        The members of an array type are all of the following             The public final field length  which contains the number of components of the array  length may be positive or zero     The public method clone  which overrides the method of the same name in class Object and throws no checked exceptions  The return type of the clone method of an array type T   is T           A clone of a multidimensional array is shallow  which is to say that it creates only a single new array  Subarrays are shared     All the members inherited from class Object  the only method of Object that is not inherited is its clone method               Resources       JLS - Arrays

[java] Where is array's length property defined?

10.7. Array Members

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Examples related to arrays