package hprose.example.promise; import hprose.util.concurrent.Promise; import hprose.util.concurrent.Rejector; import hprose.util.concurrent.Resolver; public class Exam3 { public static void main(String[] args) { Promise<Integer> promise = new Promise<>((Resolver<Integer> resolver, Rejector rejector) -> { resolver.resolve(100); }); promise.then((Integer value) -> { System.out.println(value); }); } }