Multiple inheritance causes Diamond problem which happens when:
Class A is parent of class B and C
Now when class D will be inherited from both Class B and C it will have all the members of class A and B which if same will confuse the compiler to import which one?
C++ solves it by using virtual keyword with them and thus telling the compiler which one to inherit.
Java has introduced the interface concept rather then allowing multiple inheritance.
Answer:
The answer is "Option D".
Explanation:
A system or a group of components that communicate with your environment through the sharing of resources, materials, and knowledge with a view to system regeneration and development is known as an Open system. In other words, we can say that it is a system that includes a non-proprietary hardware and advert-based software which enables third parties to add or interact with products to plug in the system and It is freely available on the internet. In this question, the incorrect options can be described as follows:
- In option A, The management system is used by an organization. It is a paid system that's why it is not correct.
- In option B, This system enables users in online communities and evaluates one another that's why it is not correct.
- In option C, This type of system provides resources for upgrade user knowledge. It is a paid system that's why it is not correct.
Answer:
The answer to this question is given in the explanation section.
Explanation:
This is a type of software which show us data in tabular form. These software can easily store, analyze and organize data.
They are divided in rows and columns. They are mainly used for accounting and book keeping.
The commonly used spread sheet software in the market are MS Excel by Microsoft, Calc by libre office.
Float: 26.2
Array: c, o, m, p, u, t, er
Boolean: false
Character: c
Answer:
i have no idea what the answer is
Explanation: