Exception Handling – Multiple Choice Questions (MCQs)

1. 25. What is the output of the following code? `try { int result = 10 / 0; System.out.println(\Result: \" + result); } catch (ArithmeticException e) { System.out.println(\""Caught ArithmeticException\""); }`"""

   • A. Result: ...
   • B. Caught ArithmeticException
   • C. Error
   • D. None

2. 26. What is the output of the following code? `try { int[] arr = new int[5]; System.out.println(arr[10]); } catch (ArrayIndexOutOfBoundsException e) { System.out.println(\Caught ArrayIndexOutOfBoundsException\"); }`"""

   • A. 0
   • B. Caught ArrayIndexOutOfBoundsException
   • C. Error
   • D. None

3. 27. What is the output of the following code? `try { String s = null; System.out.println(s.length()); } catch (NullPointerException e) { System.out.println(\Caught NullPointerException\"); }`"""

   • A. null
   • B. 0
   • C. Caught NullPointerException
   • D. Error

4. 28. What is the output of the following code? `try { System.out.println(\Try block\"); } finally { System.out.println(\""Finally block\""); }`"""

   • A. Try block
   • B. Finally block
   • C. Try block\nFinally block
   • D. Error

5. 29. What is the output of the following code? `try { int result = 5 / 1; System.out.println(\Result: \" + result); } catch (ArithmeticException e) { System.out.println(\""Caught ArithmeticException\""); } finally { System.out.println(\""Finally block\""); }`"""

   • A. Result: 5
   • B. Caught ArithmeticException\nFinally block
   • C. Result: 5\nFinally block
   • D. Error

6. 30. What is the output of the following code? `try { int result = 5 / 0; System.out.println(\Result: \" + result); } catch (ArithmeticException e) { System.out.println(\""Caught ArithmeticException\""); } finally { System.out.println(\""Finally block\""); }`"""

   • A. Caught ArithmeticException
   • B. Result: ...\nFinally block
   • C. Caught ArithmeticException\nFinally block
   • D. Error

7. 31. What is the output of the following code? `try { throw new Exception(\Generic exception\"); } catch (Exception e) { System.out.println(\""Caught Exception: \"" + e.getMessage()); }`"""

   • A. Generic exception
   • B. Caught Exception
   • C. Caught Exception: Generic exception
   • D. Error

8. 32. What is the output of the following code? `void process() throws IOException { // Code that might throw IOException } public static void main(String[] args) { // How should process() be called? }`

   • A. `process();`
   • B. `try { process(); } catch (IOException e) { ... }`
   • C. `try-catch-finally block is mandatory`
   • D. `if (exceptionPossible) process();`

9. 33. What is the purpose of the `getMessage()` method of the `Throwable` class?

   • A. To get the name of the exception class
   • B. To get a detailed description of the exception
   • C. To print the stack trace
   • D. To get the cause of the exception

10. 34. What is the purpose of the `printStackTrace()` method of the `Throwable` class?

    • A. To get the name of the exception class
    • B. To get a detailed description of the exception
    • C. To print the stack trace of the exception
    • D. To get the cause of the exception

11. 35. What is the purpose of the `getCause()` method of the `Throwable` class?

    • A. To get the name of the exception class
    • B. To get a detailed description of the exception
    • C. To print the stack trace
    • D. To get the underlying cause of the exception

12. 36. Can you have a `try` block without a `catch` or `finally` block?

    • A. No
    • B. Yes
    • C. Only if it's nested
    • D. Only in specific scenarios