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GATE | GATE-CS-2005 | Question 4

Which one of the following are essential features of an object-oriented programming language? (GATE CS 2005) (i) Abstraction and encapsulation (ii) Strictly-typedness (iii) Type-safe property coupled with sub-type rule (iv) Polymorphism in the presence of inheritance


(i) and (ii) only


(i) and (iv) only


(i), (ii) and (iv) only


(i), (iii) and (iv) only


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