Java | Exception Handling | Question 7

Predict the output of the following program.

class Test
{
    String str = "a";

    void A()
    {
        try
        {
            str +="b";
            B();
        }
        catch (Exception e)
        {
            str += "c";
        }
    }

    void B() throws Exception
    {
        try
        {
            str += "d";
            C();
        }
        catch(Exception e)
        {
            throw new Exception();
        }
        finally
        {
            str += "e";
        }

        str += "f";

    }

    void C() throws Exception
    {
        throw new Exception();
    }

    void display()
    {
        System.out.println(str);
    }

    public static void main(String[] args)
    {
        Test object = new Test();
        object.A();
        object.display();
    }

}

(A) abdef
(B) abdec
(C) abdefc

Answer: (B)
Explanation: ‘throw’ keyword is used to explicitly throw an exception.
finally block is always executed even when an exception occurs.
Call to method C() throws an exception. Thus, control goes in catch block of method B() which again throws an exception. So, control goes in catch block of method A().
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