--%>
Assignment Help - homework help

Define Null reference

Null reference: A value utilized to mean, `no object'. Employed whenever an object reference variable is not referring to the object.

   Related Questions in Programming Languages

  • Q : Explain the term accessibility testing

    Explain the term accessibility testing.

    		•
  • Q : Explain Semantic error Semantic error:

    Semantic error: It is an error in the meaning of program. A statement might contain no syntax errors, however might still break the rules of Java language. For example, when ivar is an int variable, the shown statement is syntactically correct

  • Q : Define Uniform Resource Locator Uniform

    Uniform Resource Locator: It is a Uniform Resource Locator (abbreviated as URL) expands the concept of file access from a wholly local context to one in which the resources are named uniformly, irrespective of where they may be physically situated. A

    		•
  • Q : What is a Port Port: It is a number

    Port: It is a number employed by a procedure to communicate with the other procedure across a network, employing the Transmission Control Protocol (abbreviated as TCP) or User Datagram Protocol (abbreviated as UDP), for instance.

    		•
  • Q : Explain One Dimensional array One

    One Dimensional array:1) An array is a continuous memory location having similar kind of data in a single row or single column. Declaration in c++ is as under: const int size = 20;int a[size] or int a[2

    		•
  • Q : Explain way to communicate server with

    Explain the way to communicate server with more than one client.

    		•
  • Q : What do you mean by java Swing What do

    What do you mean by the term java Swing? Describe in brief.

    		•
  • Q : Define Aliases Aliases : It is a

    Aliases: It is a multiple references to a single object. Messages might be sent to the object through any of its aliases. The resultant state modifications will be detectable by all.

    		•
  • Q : Main uses of Virtual memory Illustrate

    Illustrate the main uses of Virtual memory?

    		•
  • Q : Define the term Trusted applet Define

    Define the term Trusted applet: It is an applet with additional privileges than an ordinary (that is, untrusted) applet.

    		•