16 lines
536 B
Java
16 lines
536 B
Java
// generics/CompilerIntelligence.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.
|
|
import java.util.*;
|
|
|
|
public class CompilerIntelligence {
|
|
public static void main(String[] args) {
|
|
List<? extends Fruit> flist =
|
|
Arrays.asList(new Apple());
|
|
Apple a = (Apple)flist.get(0); // No warning
|
|
flist.contains(new Apple()); // Argument is 'Object'
|
|
flist.indexOf(new Apple()); // Argument is 'Object'
|
|
}
|
|
}
|