Which design pattern ensures that only one object of particular class gets created?

Related MCQs

• Which design pattern you would you use to have a prototypical instance determine the concrete class of object being created?
• Which design pattern you would you use to limit the class instantiation to one object?
• A unary association is an association between an object of one class and another object in the same class.
• Which Design Pattern should you use when more than one object may handle a request, and the handler isn't known a priori. The handler should be ascertained automatically.
• Which design pattern provides a single class which provides simplified methods required by client and delegates call to those methods?
• Which design pattern provides a single class which provides simplified methods required by client and delagates call to those methods?
• In which of the following pattern, a visitor class is used which changes the executing algorithm of an element class?
• In which of the following pattern, a visitor class is used which changes the executing algorithm of an element class?
• In which of the following pattern, a null object replaces check of NULL object instance?
• ___________ pattern ensure a class only has one instance and provide a global point of access to it.