The Strategy design pattern allows an object to change its behavior at runtime, while the State design pattern changes the behavior of an object based on its internal state.

The best way to prevent cloning of a singleton object in Java is by throwing a CloneNotSupportedException in the clone method. This will make the class not cloneable and prevent other objects from attempting to create a copy of the singleton object.

The Service Locator pattern involves a centralized object that provides access to dependencies, while Dependency Injection provides objects to dependencies through constructor injection, method injection, or setter injection.

The Intercepting Filter pattern is a design pattern used in web applications to pre-process requests before they are sent to the target resource. This is done to add additional functionality to the request such as security checks, data validation, or header modification.

The Factory pattern is a creational design pattern that provides a way to create objects in a more efficient and centralized manner. The Factory pattern abstracts the process of object creation and allows the client code to be decoupled from the actual implementation of the objects being created. This allows for greater flexibility and maintainability in the code, as the specific implementation of the objects can be changed without affecting the client code.

Facade pattern is a design pattern that provides a simplified interface to a complex system, allowing the client to interact with the system through a single, unified interface. The pattern involves creating a facade class that acts as a wrapper around the complex system, providing a simplified interface to the client. This pattern can be useful in situations where you want to simplify the interface of a complex system, making it easier for clients to use the system.

The Facade design pattern provides a simplified interface to a complex system, while the Proxy design pattern provides a placeholder for another object to control access to it. The Adapter design pattern converts the interface of a class into another interface that the client expects, and the Decorator design pattern adds behavior to an individual object, dynamically, without affecting the behavior of other objects from the same class.

A pattern is a general, reusable solution to a commonly occurring problem in a specific context. In software development, patterns are often used to solve design problems and improve the quality and maintainability of code.

Event Sourcing is a way of modeling the state changes of an application as a sequence of events, allowing us to persist these events as they occur. The events are stored in an event store, and can be used to reconstruct the state of the application at any point in time.

The Template pattern defines the basic steps of an algorithm and allows subclasses to provide concrete implementations for these steps