--%>
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 : Define Parallel programming Parallel

    Parallel programming or parrelel computing is the concurrent use of multiple compute resources to resolve a specified problem. Parallel program always comprises of concurrently executing processes, problem decomposition relates to the manner in which

    		•
  • Q : What is Big-endian Big-endian : This is

    Big-endian: This is a common difference among machines, the order in which they store individual bytes of multi-byte numerical data. Big-endian machine stores the higher-order bytes previous to the lower-order bytes.

    		•
  • Q : What is decimal Decimal: The number

    Decimal: The number representation in decimal is base 10. In base 10, the digits 0 to 9 are utilized. Digit positions symbolize successive powers of 10.

    		•
  • Q : Explain Twos-complement notation

    Twos-complement notation: In twos-complement notation, the most noteworthy bit in an integer value is employed as the sign bit. A 1 bit points out a negative number, and a 0 bit points out a positive number. The positive number can be transformed to i

    		•
  • Q : Define Radio buttons Radio buttons : It

    Radio buttons: It is a group of selectable components in which merely one component might be selected. The selection of one of the group that causes the previously chosen component to be deselected.

    		•
  • Q : Phenomenon of page fault Explain the

    Explain the phenomenon of page fault?

    		•
  • Q : Define the term Blank final variable

    Blank final variable: A final variable which is not initialized as portion of its declaration. This variable should be initialized in either an instance initialization block or every of the constructors for its class before it is employed. A static bl

    		•
  • Q : Different layers in Windows Architecture

    Explain how many different layers comprise in Windows Architecture?

    		•
  • Q : Write a program to print out ten random

    Write a program to print out ten random numbers from the following sets: a) {0, 1, 2, 3, 4, 5, ...99, 100} b) {1, 2, 3, 4, 5, 6} c) (10, 20, 30, 40, 50,...990, 1000} d) {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5} e) {1.5, 2.0, 2.5, 3.0, 3.5}  

    		•
  • Q : Application of S60 device The

    The application has been earlier tested along with an S60 2nd Edition device and this is Symbian Signed. So can I install similar application to another S60 device?

    		•