Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] [X] object hierarchy object initialization sequence inconsistencies object references and Shared members objects, thread-safe Open-Closed Principle (OCP) 2nd 3rd Option Strict default Optional keyword in overriding method optional parameters overloaded operators overloading base method overloading to change signature Overloads keyword overridable method overridden methods in derived classes override( ) method override/overrides 2nd accidental hiding overriding and overloading to change signature overriding method that throws exception |