Option(c) i.e "A NullPointerException error " is the correct answer for the given question.
Explanation:
Exception are the run time error in the program.A NullPointerException is the runtime error when the pointer containing the NULL value .This type of exception occur when we call that function on the pointer variable which contains the NULL.
ArrayIndexOutOfBoundsException error occur when we accessing the element which is out of the index or bound so this option is incorrect.
An ArithmeticException error occur in the arithmetic operation. Suppose a number is divided by zero then the ArithmeticException error is occured .
ClassCastException error occur in the typecasting of a specific object.So this option is incorrect.
Answer: Maintenance. This is the stage where software is updated and hardware issues are fixed if and when they occur. Retirement. In this final stage, hardware becomes unusable or no longer needed and it needs to be properly removed from the fleet
Answer: The Internet started in the 1960s as a way for government researchers to share information. ... This eventually led to the formation of the ARPANET (Advanced Research Projects Agency Network), the network that ultimately evolved into what we now know as the Internet.
