OnJava8-Examples/interfaces/AttemptToUseBasic.java

// interfaces/AttemptToUseBasic.java
// (c)2017 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.
// {WillNotCompile}

public class AttemptToUseBasic {
  Basic b = new Basic();
  // error: Basic is abstract; cannot be instantiated
}