Answer:
True
Explanation:
You can learn through many different textbooks that a closed system is always closed.
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:
True
Explanation:
Ethereum uses Smart Contracts Blockchains and one of the programmers actually explained how it works at a DC Blockchain Summit.