OnJava8-Examples/generics/HijackedInterface.java

17 lines
464 B
Java

// generics/HijackedInterface.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}
class Cat
extends ComparablePet implements Comparable<Cat>{
// error: Comparable cannot be inherited with
// different arguments: <Cat> and <ComparablePet>
// class Cat
// ^
// 1 error
public int compareTo(Cat arg) { return 0; }
}