Does a Planetary Nebula Have Anything to Do with Planets

question 140

Essay

Does a planetary nebula have anything to do with planets? Explain.

---

Definitions:

InputMismatchException

An exception thrown by scanner methods in Java to indicate that the retrieved data does not match the expected type.

Exception-Handling Technique

A programming method used to manage the occurrence of exceptions—events that disrupt the normal flow of program execution.

FileNotFoundException

An exception thrown when an attempt to open the file denoted by a specified pathname has failed.

RuntimeException

A type of unchecked exception in Java that indicates errors that can occur during the execution of a program and are not checked at compile-time.