--%>

Explain Upcast

Upcast: It is a cast towards an object's ultimate super type - which is, `up' the inheritance hierarchy towards the Object class, for example:

        // Upcast from VariableController to HeaterController
        VariableController v;
        ...
        HeaterController c = v;

   Related Questions in Programming Languages

  • Q : Explain Polling Polling : It is the

    Polling: It is the process of repeatedly testing until a situation becomes true. Polling can be incompetent when the time between tests is little compared with the time it will take for the condition to become true or right. A polling thread must slee

  • Q : Write a recursive function intpower(base

    Write a recursive function intpower(base, exponent) that when invoked returns base^exponent. For example, intpower(3,4) = 3*3*3*3. Assume that the exponent is an integer greater than or equal to 1.

  • Q : Where must I utilize XML Where must I

    Where must I utilize XML?

  • Q : Maintaining audit trail of product

    The accuracy of product table data is crucial and the Brwebean’s. owner prefers to have an audit file which contains information regarding all DML activity on the BB_PRODUCT table. This information must point out the user id of the user running a DML statement,

  • Q : Explain relationship between XHTML and

    Explain relationship between XHTML and DTD?

  • Q : What do you mean by ActiveX control

    What do you mean by ActiveX control? Describe in brief.

  • Q : Explain the term Portable Portable :

    Portable: The Portability is the quality of a program which makes it probable to run it on different kinds of computers. The programs written in low level languages are usually not very portable since they are generally closely tied to a particular in

  • Q : What is session What is meant by the

    What is meant by the session?

  • Q : ArrayLists I. The Assignment The

    I. The Assignment The Bashemin Parking Garage contains a single lane that can hold up to ten cars.  Arriving cars enter the garage at the rear and are parked in the empty space nearest to the front.  Departing cars exit only from the front.  If a cu

  • Q : Define Multiple Inheritance Multiple

    Multiple Inheritance: In C++, multiple-inheritance occurs when a class inherits from more than one parent. For example: 524_mult</span></p>
                                        </div>
                                        <!-- /comment-box -->
                                    </li>
   
   </td>
	</tr>
</table>



                                    
                                    
                                </ul>
                                <!-- /user-comments-list -->
                            </div>
                        </div>
                    <div  class=

    Discover Q & A

    Leading Solution Library
    Avail More Than 1436954 Solved problems, classrooms assignments, textbook's solutions, for quick Downloads
    No hassle, Instant Access
    Start Discovering

    18,76,764

    1921803
    Asked

    3,689

    Active Tutors

    1436954

    Questions
    Answered

    Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

    Submit Assignment

    ©TutorsGlobe All rights reserved 2022-2023.