Java EE 8 Design Patterns and Best Practices

Explaining Proxy

Sometimes, creating a new object can be a big process and several rules can be involved in creating this object. Imagine that we want to create a list of objects, and these objects represent telecommunication equipment, which has a lot of calculus to generate the information of each object. As well as this, these objects will not be accessed at the same time but will be accessed on demand. A good strategy is to create each object when it is accessed, thereby minimizing the cost and time it takes to create all objects and only access some. The Proxy can help us to solve this.

The Proxy pattern is a pattern that surrogates an object instance (original object) to another object instance (Proxy object) that permitting access ...