--%>
Assignment Help - homework help

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 : What is no-arg constructor no-arg

    no-arg constructor: It is a constructor which takes no arguments. By default, each and every class without an explicit constructor has a default no-arg constructor with the public access. Its role is entirely to invoke the no-arg constructor of the in

    		•
  • Q : Define Applet Applet : The Applets are

    Applet: The Applets are Java programs based on the Applet or JApplet classes. They are closely related with the capability to give active content within the Web pages. They have numerous features that differentiate them from ordinary Java graphical ap

    		•
  • Q : Updating the Status of an Order in SQL

    Build a procedure named STATUS_SHIP_SP which permits a company to employee in the Shipping Department to update the status of an order to add up shipping information. The BB_BASKETSTATUS table maintains a list of events for each order and hence a shopper can see the c

    		•
  • Q : What is Datagram Datagram : It is a

    Datagram: It is a packet of information passed between the two communicating procedures across a network. Both the Transmission Control Protocol (abbreviated as TCP) and the User Datagram Protocol (abbreviated as UDP) are indirectly comprised in sendi

    		•
  • Q : Static and dynamic modeling in

    Illustrate in brief the term static and dynamic modeling in programming?

    		•
  • Q : What is Central Processing Unit Central

    Central Processing Unit: The Central Processing Unit (that is, CPU) is the heart of a computer as it is the portion that includes the computer's capability to follow instructions. Each kind of CPU has its own instruction set.

    		•
  • Q : Define the term Identifier Define the

    Define the term Identifier: It is a programmer-defined name for a method, variable, class and interface.

    		•
  • Q : Define the term Scheduler Define the

    Define the term Scheduler: The portion of the Java Virtual Machine (abbreviated as JVM) which is responsible for managing the threads.

    		•
  • Q : Explain the computer process Explain

    Explain the computer process.

    		•
  • Q : Define White space White space :

    White space: Characters employed to make visual spacing in a program. White spaces comprise space, tab, carriage return and the line feed characters.

    		•