Hi all, This question is from a Mock Test. Which of the following is true ? a. Subclasses must define all the methods that the superclass defines. b. A class must define all the methods in the interface that it says it implements. c. A class can't override the super class's constructor. d. It is possible for 2 classes to be superclass of each other. e. An interface can implement multiple interfaces. My answers were .... a. False. b. True // Note c. True d. False never. ClassCircularityError occurs e. False it can only extend multiple interface
But the test says the right answer is only c. I think this is true b. A class must define all the methods in the interface that it says it implements.
Aruna. [This message has been edited by Aru (edited August 31, 2000).]
Hi, Aruna, no, the only answer is C. Answer b(A class must define all the methods in the interface that it says it implements) is wrong because a class does not implement all the methods in an interface. In this case this class is an abstract class, must be declared as abastract. With regards! Frank
Joined: Jul 20, 2000
Thx , Yes..unless it is abstract. Aruna
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