--%>

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 Class inheritance Class

    Class inheritance: Whenever a super class is expanded through a sub class, a class inheritance relationship exists among them. The sub class inherits the attributes and methods of its super class. Class inheritance in Java, is single

  • 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 : Why is either inspection or walkthrough

    You were specified a chance to implement either inspections or walkthroughs. Based upon your personal experience that one would you decide? Please share your reason?

  • Q : Are you sure that XHTML element name

    Are you sure that XHTML element name case sensitive? Answer: XHTML element names surely are case sensitive. Every element names should be written within lower case l

  • 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 : Explain the term soft real-time Explain

    Explain the term soft real-time.

  • Q : Explain Sign extension Sign extension :

    Sign extension: Whenever an integer value from a type with a specific range is stored in a variable with a larger range, Java employs sign extension to determine the resultant value. The most important bit in the original value is employed to fill the

  • Q : Program to Calculate Estimate

    Collaboration Policy Collaboration between students on programming assignments is NOT allowed under any circumstances - you may not even discuss your work with other

  • Q : What is HSB Color Model HSB Color Model

    HSB Color Model: A color model based on symbolizing a color as 3-components: hue, saturation and brightness. This is at times termed as the HSV color model - hue, saturation and value.

  • Q : Define Fetch-execute cycle

    Fetch-execute cycle: The simple set of steps which are endlessly recurring by a computer's Central Processing Unit for each and every program instruction: `Fetch the next instruction suggested by the program counter,' `update the program counter to pa