Explicaţie:
The Iterator offers methods for systematically gaining access to components of an aggregate object without disclosing the entity's internal structure. Aggregate objects are files. The Iterator pattern is exhibited in office environments when access to files is made through administrative or secretarial staff with the secretary serving as the Iterator.
Explicaţie:
The Facade design pattern is notably utilized when a system is extremely complex or challenging to comprehend due to the system's numerous interdependent classes or the lack of the system's source code.
Explicaţie:
A trigger or action can be contained inside an object using the Command design pattern in order to use it afterwards to trigger an event
Explicaţie:
In order to increase the utility of classes in object-oriented computer software, a design method known as the decorator design pattern, or decorator pattern for short, was introduced in 1994. The pattern states that any object can be given additional functionality without affecting the functionality of other objects belonging to the same classes.
Explicaţie:
A design pattern known as the template method design pattern uses an abstract method known as the template method to provide an abstract definition of an algorithm.
Explicaţie:
One of the simplest design patterns in Java is the singleton pattern. This kind of design pattern falls under the category of a creational pattern because it offers one of the finest ways to make an object.
Explicaţie:
Just specify an interface or abstract class to create an object, according to the factory pattern or factory method pattern, and then let the subclasses choose which class to instantiate. In other words, subclasses are in charge of producing a class instance.