Which language does not support multiple inheritence?
JAVA Reasons: 1) ambiguity around Diamond problem 2) multiple inheritances does complicate the design and creates problem during casting, constructor chaining etc and given that there are not many...
View ArticleHow to achieve “is-a” relationship?
“Is-a” relationship is basic element of OOP. This functionality is helps to achieve re-useabilty in our code. Basically “Is-a” relationship also called parent-child relationship between two classes. We...
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A very simple singleton pattern in c#
If you need a class which can have only one instance , then you can use the following pattern. Although there are many other ways but i sure this is the best and simple way to get the singleton...
View Articlewhat is an Abstract class
An abstract class is a class that has at least one pure virtual function( A pure virtual function can have no code. ). An abstract class is just a model for all derived classes and cannot be...
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what is diamond problem?
Explanation with examples:- In OOP(Object-oriented programming language)there is a concept of multiple inheritance. Suppose we have two child classes child1 and child2 that...
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