Java Exception Handling

Which of the following should be true of the object thrown by a thrown statement?

• a) Should be assignable to String type

• b) Should be assignable to Exception type

• c) Should be assignable to Throwable type

• d) Should be assignable to Error type

Which of the following keywords is used for throwing exception manually?

• finally

• try

• throw

• catch

• A

• B

• Compilation Error

• Runtime Error

Which of these keywords are used for the block to be examined for exceptions?

• try

• catch

• throw

• finally

• Hello

• World

• HelloWOrld

• Compilation Error

• Hello

• World

• HelloWOrld

• Compilation Error

• Hello

• World

• HelloWOrld

• WorldWorld

Which of these classes is super class of Exception class?

• Throwable

• System

• RunTime

• Class

5) What is the need for Autoboxing and Unboxing in Java?

• A) Reduces code to be written by developers to convert from Wrapper to Primitive vice versa

• B) Compile time is reduced due to fixed methods followed to automatically convert Objects and Primitives

• C) Auto-unboxing improves memory efficiency by converting Wrapper to Primitive and process when object version is not needed

• D) All the above

  Answer [=]

public class ExceptionTest9

{

public static void main(String[] args)

{

System.out.println("I am going to forest.");

throw new ClassNotFoundException();

}

}

• I am going to forest.

• No output

• Compiler error

• None of the above