OnJava8-Examples/generics/NonCovariantGenerics.java

// generics/NonCovariantGenerics.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.
// {WillNotCompile}
import java.util.*;

public class NonCovariantGenerics {
  // Compile Error: incompatible types:
  List<Fruit> flist = new ArrayList<Apple>();
}