Java Exception Handling MCQs

What is the base class for all exceptions in Java?

• Object

• Throwable

• Exception

• RuntimeException

Which keyword is used to manually throw an exception in Java?

• throw

• throws

• try

• catch

Which of the following is a checked exception?

• ArrayIndexOutOfBoundsException

• IOException

• NullPointerException

• ArithmeticException

Which block is used to handle exceptions in Java?

• finally

• try

• catch

• throw

What will happen if an exception is not handled in a Java program?

• The program will terminate abnormally

• The program will continue execution

• The exception will be ignored

• The program will enter an infinite loop

Which of the following is an unchecked exception?

• FileNotFoundException

• IOException

• NullPointerException

• SQLException

The finally block in Java is used for:

• Handling exceptions

• Ensuring code is executed whether an exception occurs or not

• Declaring exceptions

• Throwing exceptions

Can a try block be used without a catch block in Java?

• Yes, but only if there is a finally block

• No, it must always be followed by a catch block

• Yes, it can exist without any catch or finally blocks

• No, it's a compile-time error

Which of these is not a type of exception in Java?

• IOException

• ClassCastException

• MemoryException

• ArithmeticException

If an exception is thrown in the try block and not caught, which block will still be executed?

• catch block

• throw block

• finally block

• none