Two keywords static and final

static keyword: can be used to modify properties, can also be used for cosmetic methods, and can also be used to decorate classes. modifier properties: Regardless of how many objects a class generates, all of these objects work together using One by one parts static member variables, one object modifies the static member variable, and the other object then we can pass the class name . The name of the member variable to use it (recommended in this way). A static variable is a class, not an object exclusive! Object Sharing! Non-static variables each object has a copy of the

Two keywords static and final