Answer:
It is an error in the program that warns the users that something is wrong in the data they have entered
Explanation:
Null pointer exception, ArrayIndexOutOfBounds and arithmetic exception are some of the exception which can be thrown in a code segment. example if we use divide by zero then the exception to be used is arithmetic exception. Similarly we can also define our own conditions for throwing an exception using the keyword throw. Example throw exception class("error message"),
