22 lines
548 B
Java
22 lines
548 B
Java
|
// functional/ProduceFunction.java
|
|||
|
// <20>2016 MindView LLC: see Copyright.txt
|
|||
|
// We make no guarantees that this code is fit for any purpose.
|
|||
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|||
|
import java.util.function.*;
|
|||
|
|
|||
|
interface
|
|||
|
FuncSS extends Function<String, String> {} // (1)
|
|||
|
|
|||
|
public class ProduceFunction {
|
|||
|
static FuncSS produce() {
|
|||
|
return s -> s.toLowerCase(); // (2)
|
|||
|
}
|
|||
|
public static void main(String[] args) {
|
|||
|
FuncSS f = produce();
|
|||
|
System.out.println(f.apply("YELLING"));
|
|||
|
}
|
|||
|
}
|
|||
|
/* Output:
|
|||
|
yelling
|
|||
|
*/
|