C++ , Common lisp and few other languages supports multiple inheritance while java doesn’t support it. Java doesn’t allow multiple inheritance to avoid the ambiguity caused by it. One of the example of such problem is the diamond problem that occurs in multiple inheritance.

What is diamond problem?
We will discuss this problem with the help of the diagram below: which shows multiple inheritance as Class D extends both classes B & C. Now lets assume we have a method in class A and class B & C overrides that method in their own way. Wait!! here the problem comes – Because D is extending both B & C so if D wants to use the same method which method would be called (the overridden method of B or the overridden method of C). Ambiguity. That’s the main reason why Java doesn’t support multiple inheritance.

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