Comment by mytochar

10 years ago

Java's Runnable interface was an example of this in practice. Rather than passing a function, you passed an object whose primary purpose was to carry around a function that would be called.

   DoSomething(func() { ... })

becomes

   DoSomething(new Runnable() {
      public void run() { ... }
   });

or the longer form

   class MyAction implements Runnable {
      public void run() { ... }
   }

   DoSomething(new MyAction());

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