OnJava8-Examples/generics/CompilerIntelligence.java
2015-04-20 15:36:01 -07:00

13 lines
381 B
Java

//: generics/CompilerIntelligence.java
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'
}
} ///:~