--%>
Assignment Help - homework help

Explain Singleton pattern

Singleton pattern: It is a pattern which permits us to make sure that only a single instance of a specific class exists at any one time. Such an instance is termed as singleton. The pattern can as well be employed whenever instances would have no exclusive state and would act identically.

   Related Questions in Programming Languages

  • Q : Automaton distributed in the class

    Write a code in a c++/java  for the automaton distributed in the class which accepts keywords(cat,bat,cab). Create an input file with these words may be two or three copies of these words scattered in a paragraph and show that your program does accept these words and gives an output to that

    		•
  • Q : Hide sections of a course from students

    Normal 0 false false

  • Q : What is Catch clause Catch clause : It

    Catch clause: It is a part of a try statement accountable for handling the caught exception.

    		•
  • Q : Describe Uninitialized variable

    Uninitialized variable: It is a local variable which been declared, however has had no value allocated to it. The compiler will warn of variables that are employed before being initialized.

    		•
  • Q : Explain Downcast with example Explain

    Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration:        // Downcast from Object to String

    		•
  • Q : Explain This This : It is a Java

    This: It is a Java reserved word with numerous different uses: A) Within a constructor, it might be employed as the first statement to call the other constructor in similar class. For illustration:

    Q : Define Continuous simulation Continuous

    Continuous simulation: In a continuous simulation, the time ticks past at a regular rate which is applicable to the specific simulation scenario. At each and every tick, all the objects in the simulation are informed of the passage of time and updated

    		•
  • Q : What is Native Mode Native Mode :

    Native Mode: Whenever all the domain controllers in a specified domain are executing Windows 2000 Server. This mode permits organizations to take benefit of new Active Directory features like Universal groups, nested group membership, and the inter-do

    		•
  • Q : What is Avoid Redundancy Avoid

    Avoid Redundancy: While not every form of redundancy is as bad from a verification perspective as it is from a maintenance point of view, behavioral redundancy to re-create (local) state can impose problems because the model checker does not distingui

    		•
  • Q : Define the term Boot Boot: Whenever a

    Boot: Whenever a computer is switched on it is said to be `boot up'. This word comes from the phrase, “Pulling yourself up by your bootstraps”. Before a computer is ready to be utilized, it should load the programs which it requires from i

    		•