Exception Handling Quiz

What is an exception in programming?

• A method of data storage

• A type of variable

• A problem or error in a program

• A feature of the programming language

What does exception handling do?

• It increases program speed

• It creates new variables

• It catches and fixes problems

• It stops the program from running

In the context of exception handling, what does 'try' do?

• It ends the program

• It attempts to execute a block of code

• It defines a new variable

• It creates an exception

What will happen if an exception occurs in a 'try' block?

• The catch block will execute

• The try block will repeat

• Nothing will happen

• The program will crash

What type of exception is thrown when dividing by zero?

• ArithmeticException

• NullPointerException

• IOException

• ArrayIndexOutOfBoundsException

What does the 'catch' block do?

• It defines a new exception

• It handles exceptions that occur in the try block

• It creates a new thread

• It stops the program

What is the purpose of the 'finally' block?

• To declare exceptions

• To handle exceptions

• To execute code regardless of an exception

• To create new variables

What does the 'throw' keyword do?

• It creates a new variable

• It ends the program

• It defines a method

• It manually raises an exception

What is the output of the following code: System.out.println(lunch.length()); if lunch is null?

• It prints 'null'

• It does nothing

• It throws a NullPointerException

• It prints the length of lunch

What happens if you try to access an invalid index in an array?

• It creates a new array

• An ArrayIndexOutOfBoundsException is thrown

• It returns null

• The program will crash