what is or what type is private Object[] obj;
?
Object
is the ultimate ancestor of every class in the Java inheritance hierarchy.
From the API:
Class
Object
is the root of the class hierarchy. Every class hasObject
as a superclass. All objects, including arrays, implement the methods of this class.
The declaration:
private Object[] obj;
declares a reference variable called obj
for an array of Object
s that private
to the class that declared it. (Note that this doesn't create this array, only declares a variable capable of referencing it).
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