Question

Given the following program, which statements are true?

public class ExceptionLabExercise {

    public static void main(String[] args) {

        try {

            System.out.println(args[0]);

        } finally {

            System.out.println("FINALLY");

        }

    }

}

C. Given the following classes,

public class TestClass {

    public static void main(String[] args) throws A {

        try {

            f();

        } finally {

            System.out.println("Done.");

Test Stem / Question	Choices
4: Run the class above. What happens when you run with no arguments?	A: It printed finally then thrown ArrayIndexOutOfBoundsException
	B: It printed ArrayIndexOutOfBoundsException
	C: It printed finally
	D: Nothing happend
5: If an ArrayIndexOutOfBoundsException occurred, what is the best way to handle this?	A: Check the length of the array before printing the arguments
	B: Add a catch clause for the said exception
	C: Always use finally clause in order to avoid exceptions
	D: Nothing. That Exception needs not be caught.

} catch (Exception1 e) {

            throw e;

        }

    }

}

public class Exception1 extends Throwable{}

Test Stem / Question	Choices
6: What is the problem with the above code?	A: The finally statement must be preceeded by the catch clause
	B: Exceptions cannot be extended
	C: It is illegal to throw an exception
	D: Nothing is wrong
7: What should be done with the code?	A: Move the catch clause before the finally clause.
	B: Do not use Throwable as the supertype of Exception 1.
	C: Do not throw the exception.
	D: Nothing is wrong
8: What happens after you have been able to fix the code?	A: “Done” is printed and an exception is shown in the stack
	B: “Done” is printed
	C: Exception is shown in the stack
	D: Nothing is wrong

public class JavaApplication1 {

    public static void main(String[] args) {

        RuntimeException exception = null;

        throw exception;

    }

}

Test Stem / Question	Choices
9: What is the problem with the above code?	A: null exception cannot be thrown
	B: the main method must be declared with throws statement
	C: It is illegal to throw an exception
	D: Nothing is wrong
10: How should you fix the code? Choose from the following: Instantiate the exception Add a throws statement in the method declaration Do no throw the exception	A: A & B
	B: A only
	C: B only
	D: All is correct

Fix the codes and show the correct answer

Answer 1

Answer 4:C: It printed finally

as it throws exception and executes in finally block

Answer 5: A: Check the length of the array before printing the arguments

Answer 6:
A: The finally statement must be preceeded by the catch clause

Answer 7:
A: Move the catch clause before the finally clause.

Answer 8:
Done” is printed and an exception is shown in the stack

prints the stack trace because it is re throwing the exception

Answer 9:
A: null exception cannot be thrown

Answer 10:

Instantiate the exception

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