Is it compulsory to have constructor for all the classes involved in multiple inheritance?(a) Yes, always(b) Yes, only if no abstract class is involved(c) No, only classes being used should have a constructor(d) No, they must not contain constructorsThe question was posed to me in a national level competition.I'm obligated to ask this question of Multiple Inheritance topic in section Inheritance & its Types of Object Oriented Programming

Is it compulsory to have constructor for all the classes involved in m

1.	Is it compulsory to have constructor for all the classes involved in multiple inheritance?(a) Yes, always(b) Yes, only if no abstract class is involved(c) No, only classes being used should have a constructor(d) No, they must not contain constructorsThe question was posed to me in a national level competition.I'm obligated to ask this question of Multiple Inheritance topic in section Inheritance & its Types of Object Oriented Programming
Answer» Correct ANSWER is (b) Yes, only if no abstract class is involved Explanation: The constructors must be DEFINED in every class. If class is abstract, it won’t have any CONSTRUCTOR but other CLASSES must have constructor. Either IMPLICIT or explicit.

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