OnJava8-Examples/generics/Manipulator3.java

// generics/Manipulator3.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
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class Manipulator3 {
  private HasF obj;
  Manipulator3(HasF x) { obj = x; }
  public void manipulate() { obj.f(); }
}