--%>

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 : Function overloading in C plus Function

    Function overloading in C++: The function name containing numerous definitions which are differentiable by the number or kinds of their arguments is termed as function overloading.

  • Q : Program to controls a quiz show in C++

    Foundations of Computer Science In this project, we will write a program that controls a quiz show, much like the many popular TV shows. The program will read in a group of questions and thei

  • Q : What is MIME MIME : Multipurpose

    MIME: Multipurpose Internet Mail Extensions (abbreviated as MIME) are rules which make it possible to utilize electronic mail to send content other than the simple text.

  • Q : What is Bit Bit : It is a binary digit

    Bit: It is a binary digit that can take on two possible values: 0 and 1. The bits are basic building block of both data and programs. Computers regularly shift data around in multiples of eight-bit units (that is, bytes for the sake of effectiveness).

  • Q : Explain Abstract Windowing Toolkit

    Abstract Windowing Toolkit: The Abstract Windowing Toolkit (AWT) offers a collection of classes which simplify the creation of applications with the GUI (graphical user interfaces). Such are to be found in the java.awt packages. Included are classes f

  • Q : Explain Virtual memory Virtual memory :

    Virtual memory: It is computer will comprise a limited amount of real memory accessible to it. Programs frequently need more memory than the quantity of real memory. Moreover, in a multiprogramming system, various processes will be competing for simil

  • Q : Different compatibility types when

    What are the different compatibility types when creating a COM COMPONENT?

  • Q : Describe MCP or Model Checker for C plus

    MCP: Model Checker for C++ (MCP) is an explicit-state software model checker being introduced by the Robust Software Engineering group at NASA Ames Research Center (Thompson and Brat, 2008). MCP was constructed specifically to allow programs written i

  • Q : Define the term Address space Define

    Define the term Address space: The region of virtual memory in which a procedure is run.

  • Q : What are the examples of microkernel

    What are the examples of microkernel?