--%>
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 : State Precedence rules Precedence rules

    Precedence rules: The rules which determine the order of computation of an expression comprising more than one operator. The operators of higher precedence are computed before those of lower precedence. For example, in the expression x+y*z, the multip

    		•
  • Q : Define Scope Scope : A language's scope

    Scope: A language's scope rules establish how broadly variables, methods and classes are visible in a class or program. The local variables contain a scope restricted to the block in which they are stated, for example. Private methods and variables co

    		•
  • Q : Define Octal Octal : Number

    Octal: Number representation of octal is base 8. In base 8, simply the digits 0 to 7 are employed. Digit positions symbolize successive powers of 8.

    		•
  • Q : Define the types of kernel objects

    Define the types of kernel objects.

    		•
  • Q : Define Divide and conquer Divide and

    Divide and conquer: An approach to trouble solving which attempts to decrease an overall single big trouble into multiple simpler troubles.

    		•
  • Q : Define the term Swizzling Define the

    Define the term Swizzling: It is the process of recursively writing the contents of an object through object serialization.

    		•
  • Q : Illustrates the parts of an XML

    Illustrates the parts of an XML document are case-sensitive.

    		•
  • Q : Types of layout managers Describe the

    Describe the layout manager and what are the various types of layout managers accessible?

    		•
  • 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 : What is an Infinite recursion Infinite

    Infinite recursion: Recursion which does not finish. This can effect from any of direct recursion, indirect recursion or the mutual recursion. It is generally the outcome of a logical error, and can consequence in stack overflow.

    		•