Java Packages, Exception Handling, and Files Quiz

What is a Java package?

• A way to format date and time

• A method for file handling

• A type of exception in Java

• A group of similar types of classes and interfaces

Which of the following is a built-in package in Java?

• java.exception

• java.lang

• java.custom

• java.user

What keyword is used to import a package in Java?

• package

• require

• import

• include

What does the 'throws' keyword do in Java?

• It throws an exception

• It declares an exception

• It imports a package

• It handles an exception

Which of the following is NOT a type of exception in Java?

• Runtime Exception

• Unchecked Exception

• Handled Exception

• Checked Exception

What is the purpose of the 'finally' block in exception handling?

• To catch exceptions

• To execute code regardless of exceptions

• To declare exceptions

• To throw exceptions

Which class is used for reading character data from a file?

• BufferedWriter

• BufferedReader

• FileWriter

• FileReader

What is the main purpose of the Scanner class in Java?

• To handle exceptions

• To parse input from various sources

• To read files

• To create packages

Which of the following exceptions is a checked exception?

• ArrayIndexOutOfBoundsException

• ArithmeticException

• NullPointerException

• IOException

What does the 'throw' keyword do in Java?

• It imports a package

• It handles an exception

• It throws an exception

• It declares an exception