OnJava8-Examples/functional/ProduceFunction.java
2016-12-30 17:23:13 -08:00

22 lines
532 B
Java

// functional/ProduceFunction.java
// (c)2017 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.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
*/