java实现“烧水泡茶”

心已赠人 2023-01-01 01:50 96阅读 0赞

烧水泡茶，烧水泡茶最优分工方案图如下

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzM3NzMyODI5_size_16_color_FFFFFF_t_70][]

import java.util.concurrent.Callable;
    import java.util.concurrent.ExecutionException;
    import java.util.concurrent.FutureTask;
    import java.util.concurrent.TimeUnit;
    
    public class FutureTaskDemo {
        static class T1Task implements Callable<String> {
    
            FutureTask<String> ft2;
    
            public T1Task(FutureTask<String> ft2) {
                this.ft2 = ft2;
            }
    
            @Override
            public String call() throws Exception {
                System.out.println("T1:洗水壶...");
                TimeUnit.SECONDS.sleep(1);
    
                System.out.println("T1:烧开水...");
                TimeUnit.SECONDS.sleep(15);
    
                //获取ft2线程中的茶叶
                String tea = ft2.get();
                System.out.println("T1:拿到茶叶:" + tea);
    
                System.out.println("T1:泡茶...");
                return "上茶:" + tea;
            }
        }
    
        static class T2Task implements Callable<String> {
            @Override
            public String call() throws Exception {
                System.out.println("T2:洗茶壶...");
                TimeUnit.SECONDS.sleep(1);
    
                System.out.println("T2:洗茶杯...");
                TimeUnit.SECONDS.sleep(2);
    
                System.out.println("T2:拿茶叶...");
                TimeUnit.SECONDS.sleep(1);
                return "龙井";
            }
        }
    
        public static void main(String[] args) throws ExecutionException, InterruptedException {
            FutureTask<String> ft2 = new FutureTask<>(new T2Task());
            FutureTask<String> ft1 = new FutureTask<>(new T1Task(ft2));
            Thread t1 = new Thread(ft1);
            t1.start();
            Thread t2 = new Thread(ft2);
            t2.start();
            System.out.println(ft1.get());
        }
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzM3NzMyODI5_size_16_color_FFFFFF_t_70]: /images/20221120/8bd3183ab39d4e608579ed716ea93dc0.png