Java this keyword

The role of this

If you have two objects of the same type, A and B, respectively, how can you make both objects call the same method?

If there is only one method, how does this method know which object's properties are being called.

In fact, the compiler secretly passed the "reference of the Manipulated object" as the first parameter to the calling method,

This is where this,this is a reference to the object being manipulated.

Calling the properties of a class within a method will be added by default.

Java this keyword