多语言-异步并发

func main() {
	//创建消息通道
	var quitMsg chan  int = make(chan int)
	//数据量
	var num = 100000
	//生成随机数组
	var randomArray []int = GeneralRandomArray(num,0,num)
	//生成近似随机数组
	var nearlyArray  []int = GeneralNearlyArray(num,700)
	
	go func() { //起一个协程
		for i := 0; i < 3;i ++ {
			TestAltorithm(randomArray,false,num,i) //循环测试不同算法
		}
		quitMsg <- 0 //channel 存入消息 保证不销毁
	}()
	<- quitMsg //消费 消息 销毁
}

    public static void main(String[] args) throws InterruptedException , ExecutionException {
        int num = 10000;
        int arr[] = GeneralRandomArray.initLimitRandomArray(num,0,num);//生成测试数组
        System.out.println("数据量"+num);
        //开启四个线程
        ExecutorService threadPool = Executors.newFixedThreadPool(4);
        for (int i = 0;i < 4;i ++) {
            final int TaskId = i;
            threadPool.execute(new Runnable() {
                @Override
                public void run() {
                    if (TaskId == 0) {
                        TestAlgorithm(arr,false,num,AlgorithmTyep.InsertSort);
                    } else if (TaskId == 1) {
                        TestAlgorithm(arr,false,num,AlgorithmTyep.SelectSort);
                    }else  if (TaskId == 2){
                        TestAlgorithm(arr,false,num,AlgorithmTyep.MergeSort);
                    }else {
                        threadPool.shutdown();
                    }
                }
            });
        }
    }

        dispatch_queue_t queue = dispatch_queue_create("CONCURRENT", DISPATCH_QUEUE_CONCURRENT);
        dispatch_async(dispatch_get_main_queue(), ^{
                //执行队列应该为 DISPATCH_QUEUE_CONCURRENT
                //但是 在非主线程会直接销毁
                //所以还是用主队列吧
        });

Swift5.5 新出了async 和 await 
暂时先不用,国内企业用Swift版本一般不会太高