Core Java Programming Course- "Throws" Declaration

The video tutorial explains how to handle exceptions in Java using the throws keyword. It covers creating a throws declaration at the method level, the hierarchy of exceptions, and the significance of the throws keyword. The tutorial also discusses how to handle exceptions in methods and the importance of communicating potential exceptions to users of a method.

What is the primary purpose of using the 'throws' keyword in a method declaration?

• To handle exceptions within the method

• To declare that a method might throw certain exceptions

• To prevent exceptions from occurring

• To log exceptions for debugging purposes

Which of the following is the most specific exception type that can be declared using 'throws'?

• IOException

• FileNotFoundException

• Throwable

• Exception

What is the relationship between IOException and FileNotFoundException?

• FileNotFoundException is a subclass of IOException

• Both are subclasses of Throwable

• IOException is a subclass of FileNotFoundException

• They are unrelated exceptions

What must a method do if it calls another method that declares a 'throws' exception?

• Ignore the exception

• Handle the exception using try-catch or declare it with 'throws'

• Log the exception

• Terminate the program

What is the significance of the 'throws' keyword in terms of exception handling?

• It logs exceptions for future reference

• It prevents exceptions from being thrown

• It warns that a method might throw an exception

• It automatically handles exceptions