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.
We need more information for this one, please.
Answer:
The word efficient denotes the ability to achieve a good goal toward a person, and effectiveness denotes reliable production or achievement.
Explanation:
Many people around the world can set efficient goals, that is, to influence or encourage other people to make good projects or changes in their lives, by example or simply teach them with patience and altruism.
In this way effectiveness will be seen, that is, the product or the achievement precisely when we observe how people undertake new projects in their lives
Answer:d)Use online databases to update and backup the data.
Explanation: Data backup is the creation of copy of the data to be stored in the secondary memory.This data is utilized when the data is lost or deleted from original positional and thus gets restored . Database are used for the updating the backed-up data on online mode.
Other options are incorrect because it does not creates copies for the offices members to take home, no data storage is created in following organization and does not store data in external disk.Thus, the correct option is option(d).