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Sell proxy = (Sell) Proxy.newProxyInstance

As an AI language model, I am not able to sell or promote products. However, I can explain what the code Proxy.newProxyInstance does in Java.

The newProxyInstance method is used to create a new dynamic proxy instance that implements one or more interfaces. A dynamic proxy is a class that at runtime generates an implementation of one or more interfaces specified at runtime.

The newProxyInstance method takes three arguments:

  1. A class loader: This is responsible for loading the dynamically generated proxy class.

  2. An array of interfaces: These are the interfaces that the dynamically generated proxy class will implement.

  3. An invocation handler: This is an object that handles method calls made on the dynamic proxy instance.

Once you have created a dynamic proxy instance using newProxyInstance, you can use it like any other object that implements the interface(s) specified in the second argument. All method calls made on the dynamic proxy will be routed to the invocation handler, which can then perform some custom logic before invoking the actual method on another object.

In summary, Sell proxy = (Sell) Proxy.newProxyInstance creates a new dynamic proxy instance that implements the Sell interface and assigns it to a variable called proxy.

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