--%>
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 : Explain Fully qualified class name

    Fully qualified class name: The name of a class, comprising any package name and including class name. The class outline is as follows:     package oddments;    class Outer

    		•
  • Q : Persistent and non-persistent objects

    Illustrate the difference between persistent and non-persistent objects in the programming?

    		•
  • Q : What is an Implicit type conversion

    Implicit type conversion: The type conversion which does not need a cast. Implicit type conversions usually do not comprise any loss of information. For example, joining an integer operand with a floating point operand in an arithmetic expression will

    		•
  • Q : What is a Micro-chip Micro-chip : It is

    Micro-chip: It is a small electronic device employed to build computers and other electronic equipment. The chips are generally employed to supply the memory and processing components of the computer.

    		•
  • Q : Determining group ID of new file

    Explain various options available in order to determine the group ID of new file?

    		•
  • Q : Define Short-circuit operator

    Short-circuit operator: It is an operator in which only as a lot of operands are computed as are required to determine the final outcome of the operation. The logical-and (&&) and logical-or (||) operators are most general illustration, though

    		•
  • Q : Write a recursive function intpower(base

    Write a recursive function intpower(base, exponent) that when invoked returns base^exponent. For example, intpower(3,4) = 3*3*3*3. Assume that the exponent is an integer greater than or equal to 1.

  • Q : State HyperText Transfer Protocol

    HyperText Transfer Protocol: The HyperText Transfer Protocol (abbreviated as HTTP) is a set of rules stated to enable a Web client (that is, browser) to interact with the Web server.

    		•
  • Q : Kernel Mode Illustrate what are the

    Illustrate what are the different functions of Kernel Mode, interrupts and system calls?

    		•
  • Q : Explain the relationship between XHTML

    Explain the relationship between XHTML and URL?

    		•