Exceptions in Java Programming Questions with Answers | Page 3

Exception handling in Java is one of the most frequently tested concepts in both academic exams and software placement tests. This compilation of Exceptions in Java programming questions with answers covers topics such as try-catch blocks, finally statements, custom exceptions, and exception hierarchies. Designed for TCS, Wipro, and Infosys aspirants, these Java MCQs and explanations ensure you master the art of writing reliable and error-handling Java programs. Practicing these questions will help you confidently approach real-world coding scenarios and interview challenges.

Showing 10 of 30 questions

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Q21

Which of these is NOT a checked exception?

A NullPointerException
B IOException
C SQLException
D ClassNotFoundException

Answer: Option A

Explanation: RuntimeException and its subclasses are unchecked.

Q22

What happens if an exception is not caught?

A Program terminates if reaches main method
B Program continues normally
C Exception is ignored
D Automatic recovery

Answer: Option A

Explanation: Uncaught exceptions propagate up the call stack.

Q23

Which method returns the description of an exception?

A getMessage()
B toString()
C printStackTrace()
D getDescription()

Answer: Option A

Explanation: getMessage() provides exception details.

Q24

What is the difference between error and exception?

A Errors are unrecoverable, exceptions can be handled
B Exceptions are unrecoverable, errors can be handled
C Both are same
D Errors are checked, exceptions are unchecked

Answer: Option A

Explanation: Errors are serious system problems, exceptions are application issues.

Q25

Which exception occurs when a file is not found?

A FileNotFoundException
B IOException
C FileException
D NoFileException

Answer: Option A

Explanation: FileNotFoundException is a checked exception for missing files.

Q26

What is exception propagation in Java?

A Exception moves up call stack until caught
B Exception moves down call stack
C Exception is automatically handled
D Exception is ignored

Answer: Option A

Explanation: Exceptions move up the call stack until caught.

Q27

Which class is used to create custom exceptions?

A By extending Exception class
B By implementing Exception interface
C By using new keyword
D By using createException method

Answer: Option A

Explanation: Extend Exception class to create custom exceptions.

Q28

What is the purpose of the printStackTrace() method?

A Prints exception stack trace
B Handles the exception
C Prevents exception
D Ignores exception

Answer: Option A

Explanation: Prints the stack trace to help debug exceptions.

Q29

Which exception occurs during arithmetic operations?

A ArithmeticException
B MathException
C CalculationException
D NumberException

Answer: Option A

Explanation: ArithmeticException for math errors like division by zero.

Q30

What is the main advantage of exception handling?

A Maintains normal program flow
B Increases program speed
C Reduces code size
D Eliminates all errors

Answer: Option A

Explanation: Prevents program termination and maintains normal flow.

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