Detailed explanation and example application of Java static proxy mode

Java static proxy mode

Proxy mode: provides a proxy for other objects to control access to this object.

The proxy model is simply the representative of "real objects". It introduces a certain degree of indirectness when accessing objects, because this indirectness can be used for a variety of purposes.

Before implementing the code, let's tell a simple life story. We all know that many companies around us have house sales or leasing business, For example, Lianjia does not have any real housing assets. The houses he sells and leases need to be provided by the homemaster to meet the company's housing demand; at the same time, the company's selling and renting business needs the company's employees (seller) to implement this method, but employees must be authorized by the company and use the company's business resources to complete the task. At the end of the story, we should know that the seller here is actually a static agent in the agent mode, so we start the code writing of this mode (the business logic before and after the agent implementation method is omitted):

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