package edu.xcdq;
import java.util.Locale;
@FunctionalInterface
interface IMMessage1<R>{
R zhuandaxie();
}
public class Demo05 {
public static void main(String[] args) {
IMMessage1<String>shili="hello"::toUpperCase;
System.out.println(shili.zhuandaxi对象对象());
}
}
