Java Exception Handling

What is the advantage of Exception Handling

• To avoid abnormal termination of a program

• To find out errors

• To Debug program

• None of these

What is the parent class of All Exceptions in JAVA

• Throw

• Exception

• Error

• Bug

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

• try

• catch

• finally

• throw

What is the purpose of 'throw' keyword

• To Raise an exception explicityly

• To Raise an exception implicityly

• 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.*

How to create our own exception

• using 'throw' keyword

• using 'throws' keyword

• using 'finally' keyword

• using 'throwable' keyword

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

What will it print?

• 1

  2

  3

  30

• 1

  2

  30

• 1

  2

  3

  11

• 1

  2

  11

What will this program print?

• Nothing, there is an error

• There was a ValueError, please try again

public class Foo

{

public static void main(String[] args)

{

try

{

return;

}

finally

{

System.out.println( "Finally" );

}

}

}

• Finally

• Compilation fails.

• The code runs with no output

• An exception is thrown at runtime.