Exceptions in Java Programming Questions with Answers | Page 2

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.

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Q11

Which of these is a checked exception in Java?

A RuntimeException
B IOException
C NullPointerException
D ArithmeticException

Answer: Option B

Explanation: Checked exceptions must be handled at compile time.

Q12

What is the parent class of all exceptions in Java?

A Throwable
B Exception
C Error
D Object

Answer: Option A

Explanation: Throwable is the superclass of all errors and exceptions.

Q13

Which keyword is used to explicitly throw an exception?

A throws
B throw
C try
D catch

Answer: Option B

Explanation: The throw keyword is used to manually throw exceptions.

Q14

Which block is used to handle exceptions in Java?

A try-catch
B throw-catch
C exception-handle
D error-handle

Answer: Option A

Explanation: try-catch blocks are used for exception handling.

Q15

Which block is always executed regardless of whether an exception occurs or not?

A finally
B catch
C throw
D throws

Answer: Option A

Explanation: finally block always executes after try-catch.

Q16

What is the output when a NullPointerException occurs?

A Runtime exception when using null object reference
B Compile time error
C Warning message
D No output

Answer: Option A

Explanation: NullPointerException occurs when using null objects.

Q17

Which of these exceptions is related to array operations?

A ArrayIndexOutOfBoundsException
B NullPointerException
C ClassCastException
D IOException

Answer: Option A

Explanation: ArrayIndexOutOfBoundsException occurs with invalid array indices.

Q18

What does the try-with-resources statement ensure?

A Automatic resource closure
B Manual resource management
C Exception suppression
D No exception handling

Answer: Option A

Explanation: try-with-resources automatically closes resources.

Q19

Which exception occurs when converting invalid string to number?

A NumberFormatException
B IllegalArgumentException
C ParseException
D FormatException

Answer: Option A

Explanation: NumberFormatException occurs during invalid number conversion.

Q20

What is the purpose of the throws keyword?

A Declare exceptions in method signature
B Throw an exception
C Catch an exception
D Handle an exception

Answer: Option A

Explanation: throws declares exceptions that a method might throw.

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