// generics/BasicHolder.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

public class BasicHolder {
  T element;
  void set(T arg) { element = arg; }
  T get() { return element; }
  void f() {
    System.out.println(
      element.getClass().getSimpleName());
  }
}