Java_ExceptionHandling

What is the advantage of Exception Handling

• To avoid abnormal termination of a program

• To find out errors

• To Debug program

• None of these

Which of the following key word is optional in Exception handling program

• try

• finally

• catch

• throw

What is the purpose of 'throw' keyword

• To Raise an exception explicitly

• To Raise an exception implicitly

• To create user defined exceptions

• To create custom exceptions

Exception classes belongs to following package

• import java.io.*

• import java.lang.*

• import java.util.*

• import java.lang.Exception.*

What is the default behavior of an uncaught exception in Java

• Program terminates abruptly

• Exception is ignored

• Program continues execution

• Exception is logged

Choose an exception if attempt to divide number by zero

int number = 89 / 0;

System.out.println("The answer is " + number);

• ArithmeticException

• NullPointerException

• NumberFormatException

• ArrayIndexOutOfBoundException

Choose the CORRECT exception

String department="JTMK";

Integer no=Integer.parseInt(department);

• ArithmeticException

• NullPointerException

• NumberFormatException

• ArrayIndexOutOfBoundException

Choose the CORRECT mechanism of exception handling.

• try block --> catch block --> finally block

• try block --> catch block --> throws exception

• try block --> catch block --> finally --> throws exception

• try block --> throws exception--> catch block --> finally block

Exception is a

• class

• interface

• abstract class

• other

What is correct hierarchal order of the following classes?

(Start from the most general to the most specific)

1. 1. Exception

   2. Object

2. 3. Arithmetic Exception

3. 4. Runtime Exception

4. 5. Throwable

• 1 - 2 - 3 - 4 - 5

• 2 - 3 - 4 - 5 - 1

• 2 - 5 - 1 - 4 -3

• 2 - 4 - 1 - 5 -3