The first example is an IPv4 address. Because IPv4 is only 32 bits long there are only about 4 billion addresses available. To expand the address space IPv6 came into existence and your second example is an IPv6 address.
Answer:
The correct answer is Option A (A class can only have one parent class (superclass))
Explanation:
The inheritance model is a computer program used in Javascript. This model aimed to make code that has been programmed already still relevant to be used again at any time minimizing errors associated with typing a new code. Inheritance makes the attributes of a particular class valid while still possible to use the attributes of another class.
A child class (subclass) inherits from the parent class (superclass). So, it is a single inheritance once the child class (subclass) inherits from a single parent class (superclass) creating a subclass. A parent class (superclass) is the class that gives its attributes for inheritance.
Answer:
You absolutely should throw an exception from a constructor if you're unable to create a valid object. This allows you to provide proper invariants in your class. ... Throw an exception if you're unable to initialize the object in the constructor, one example are illegal arguments.
Explanation: