Java\u591a\u7ebf\u7a0b\u6709\u4e24\u4e2a\u91cd\u8981\u7684\u63a5\u53e3\uff0cRunnable\u548cCallable,\u5206\u522b\u63d0\u4f9b\u4e00\u4e2arun\u65b9\u6cd5\u548ccall\u65b9\u6cd5, \u4e8c\u8005\u662f\u6709\u8f83\u5927\u5dee\u5f02\u7684\u3002
\nRunnable\u4f7f\u7528\u573a\u666f
\n1\u3001\t\u4f5c\u4e3aThread\u7684\u6784\u9020\u53c2\u6570\u5f00\u542f\u65b0\u7684\u7ebf\u7a0b\uff0c\u4ee5\u4e0b\u662f\u5e38\u7528\u7684\u901a\u8fc7\u533f\u540d\u5185\u90e8\u7c7b\u7684\u65b9\u5f0f\u521b\u5efa\u7ebf\u7a0b\u3002
\nThread thread = new Thread(new Runnable() {
\n@Override
\npublic void run() {
\nSystem.out.println ("I am a runnable task");
\n}
\n});
\nthread.start();
\n2\u3001\t\u7531\u4e8eJava\u53ea\u63d0\u4f9b\u5355\u7ee7\u627f\uff0c\u6545\u521b\u5efa\u7ebf\u7a0b\u65f6\u4e00\u822c\u901a\u8fc7\u5b9e\u73b0Runnable\u63a5\u53e3 ,\u6765\u5b9e\u73b0run\u65b9\u6cd5\u7684 \u5177\u4f53\u903b\u8f91\u3002\u7136\u540e\u5b9e\u4f8b\u5316\uff0c\u4f5c\u4e3aThread\u7684\u6784\u9020\u53c2\u6570\u5f00\u542f\u7ebf\u7a0b\u3002
\nclass RunnableTask implements Runnable {
\n@Override
\npublic void run() {
\nSystem.out.println("I am a runnable task");
\n}
\n}
\nmain\u65b9\u6cd5\uff1a
\nRunnableTask runnableTask = new RunnableTask();
\nThread threadl = new Thread(runnableTask);<\/p>\n
threadl.start();
\n\u5176\u5b9e1\u548c2\u7684\u672c\u8d28\u662f\u4e00\u6837\u7684\u3002
\n3\u3001\u4f5c\u4e3a\u7ebf\u7a0b\u4efb\u52a1\u63d0\u4ea4\u7ed9\u7ebf\u7a0b\u6c60\uff0c\u901a\u8fc7\u7ebf\u7a0b\u6c60\u7ef4\u62a4\u7684\u5de5\u4f5c\u8005\u7ebf\u7a0b\u6765\u6267\u884c\u3002
\nExecutorService executor = Executors.newCachedThreadPool();
\nRunnableTask runnableTask = new RunnableTask();
\nexecutor.execute(runnableTask);
\nexecutor.shutdown();
\nCallable\u7684\u4f7f\u7528\u573a\u666f
\n\u56e0\u4e3aCallable\u7684call\u65b9\u6cd5\u63d0\u4f9b\u8fd4\u56de\u503c\uff0c\u6240\u4ee5\u5f53\u4f60\u9700\u8981\u77e5\u9053\u4efb\u52a1\u6267\u884c\u7684\u7ed3\u679c\u65f6\uff0cCallable\u662f \u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002Callable\u7684\u5b9e\u73b0\u5f88\u7b80\u5355\u3002
\n\u5982\u4e0b\u4e24\u4e2aCallable\u4efb\u52a1\u5206\u522b\u8fd4\u56defalse\u548c0\u5230520\u6574\u6570\u4e4b\u548c\u3002<\/p>\n
@Override
\npublic Boolean call() throws Exception {
\nreturn false;
\n}
\n}<\/p>\n
Class IntegerCallableTask implement Callable @Override<\/p>\n public Integer call() throws Exception{<\/p>\n int sum = 0; \u5bf9\u4e8eCalleble\u6765\u8bf4\uff0cFuture\u548cFutureTask\u5747\u53ef\u4ee5\u7528\u6765\u83b7\u53d6\u4efb\u52a1\u6267\u884c\u7ed3\u679c\uff0c\u4e0d\u8fc7Future\u662f\u4e2a \u63a5\u53e3\uff0cFutureTask\u662fFutirre\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u800c\u4e14FutureTask\u8fd8\u95f4\u63a5\u5b9e\u73b0\u4e86 Runnable\u63a5\u53e3\uff0c\u4e5f \u5c31\u662f\u8bf4FutureTask\u53ef\u4ee5\u4f5c\u4e3aRunnable\u4efb\u52a1\u63d0\u4ea4\u7ed9\u7ebf\u7a0b\u6c60\u3002<\/p>\n \u4ee5\u4e0b\u662f\u4e2a\u5177\u4f53\u7684\u5b9e\u4f8b\u6f14\u793aFutureTask\u5404\u79cd\u7684\u4f7f\u7528\u65b9\u5f0f\u3002 ExecutorService executor = Executors.newCachedThreadPool(); Java\u591a\u7ebf\u7a0b\u6709\u4e24\u4e2a\u91cd\u8981\u7684\u63a5\u53e3\uff0cRunnable\u548cCallable,\u5206\u522b\u63d0\u4f9b\u4e00\u4e2arun\u65b9\u6cd5\u548ccall\u65b9\u6cd5, \u4e8c […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[],"class_list":["post-10185","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10185"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10185\/revisions"}],"predecessor-version":[{"id":10186,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10185\/revisions\/10186"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10185"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nfor (int i = 0; i < 520; i++) {
\nsum += i;
\n}
\nreturn sum;
\n}
\n}
\nCallable\u4efb\u52a1\u901a\u8fc7\u7ebf\u7a0b\u6c60\u7684submit\u65b9\u6cd5\u63d0\u4ea4\u3002\u4e14submit\u65b9\u6cd5\u8fd4\u56deFuture\u5bf9\u8c61\uff0c\u901a\u8fc7Future \u7684get\u65b9\u6cd5\u53ef\u4ee5\u83b7\u5f97\u5177\u4f53\u7684\u8ba1\u7b97\u7ed3\u679c\u3002\u800c\u4e14get\u662f\u4e2a\u963b\u585e\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u4efb\u52a1\u672a\u6267\u884c\u5b8c\uff0c\u5219\u4e00\u76f4 \u7b49\u5f85\u3002
\nExecutorService executor = Executors.newCachedThreadPool();
\nIntegerCallableTask integerCallableTask = new IntegerCallableTask();
\nFuture
\nexecutor.shutdown();
\ntry {
\nSystem.out.println(future.get());
\n} catch (InterruptedException e) {
\ne.printStackTrace();
\n} catch (ExecutionException e) {
\ne.printStackTrace();
\n}
\n\u5173\u4e8e Future \u548c FutureTask<\/p>\n
\nstatic class Task implements Callable
\n@Override
\npublic Integer call() throws Exception {
\nSystem.out.println("\u5b50\u7ebf\u7a0b\u5728\u8fdb\u884c\u8ba1\u7b97");
\nThread.sleep(1000);
\nint sum = 0;
\nfor (int i = 0; i < 10000; i++)
\nsum += i;
\nreturn sum;
\n}
\n}
\npublic static void main(String[] args) throws InterruptedException {<\/p>\n
\n\/\/\u4f7f\u7528 FutureTask
\nCallable
\nFutureTask
\nexecutor.submit(futureTask);
\n\/\/\u4f7f\u7528 Future
\n\/\/\tCallable
\n\/\/\tFuture
\nexecutor.shutdown();
\nSystem.out.println("\u4e3b\u7ebf\u7a0b\u5728\u6267\u884c\u4efb\u52a1");
\nThread.sleep(2000);
\ntry {
\nSystem.out.println("task \u8fd0\u884c\u7ed3\u679c"+ futureTask.get()) ; \/\/future.get()
\n} catch (InterruptedException e) {
\ne.printStackTrace();
\n} catch (ExecutionException e) {
\ne.printStackTrace();
\n}
\nSystem.out.println("\u6240\u6709\u4efb\u52a1\u6267\u884c\u5b8c\u6bd5");
\n}
\n\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u4f7f\u7528Future\u548cFutureTask\u90fd\u662f\u4e00\u6837\u7684\uff0c\u90fd\u80fd\u83b7\u5f97\u76f8\u540c\u7684\u8ba1\u7b97\u7ed3\u679c\u3002
\n\u76f8\u540c\u70b9\uff1a
\n1\u3001\t\u90fd\u662f\u63a5\u53e3
\n2\u3001\t\u90fd\u53ef\u4ee5\u7f16\u5199\u591a\u7ebf\u7a0b\u7a0b\u5e8f
\n3\u3001\t\u90fd\u91c7\u7528Thread.start()\u542f\u52a8\u7ebf\u7a0b
\n\u4e3b\u8981\u533a\u522b\uff1a
\nRunnable\u63a5\u53e3 run\u65b9\u6cd5\u65e0\u8fd4\u56de\u503c;Callable\u63a5\u53e3 call\u65b9\u6cd5\u6709\u8fd4\u56de\u503c\uff0c\u662f\u4e2a\u6cdb\u578b\uff0c\u548cFuture\u3001FutureTask\u914d\u5408\u53ef\u4ee5\u7528\u6765\u83b7\u53d6\u5f02\u6b65\u6267\u884c\u7684\u7ed3\u679c
\nRunnable\u63a5\u53e3 run\u65b9\u6cd5\u53ea\u80fd\u629b\u51fa\u8fd0\u884c\u65f6\u5f02\u5e38\uff0c\u4e14\u65e0\u6cd5\u6355\u83b7\u5904\u7406;Callable\u63a5\u53e3 call\u65b9\u6cd5 \u5141\u8bb8\u629b\u51fa\u5f02\u5e38\uff0c\u53ef\u4ee5\u83b7\u53d6\u5f02\u5e38\u4fe1\u606f
\n\u6ce8\uff1aCallalbe\u63a5\u53e3\u652f\u6301\u8fd4\u56de\u6267\u884c\u7ed3\u679c\uff0c\u9700\u8981\u8c03\u7528FutureTask.get()\u5f97\u5230\uff0c\u6b64\u65b9\u6cd5\u4f1a\u963b\u585e\u4e3b\u8fdb \u7a0b\u7684\u7ee7\u7eed\u5f80\u4e0b\u6267\u884c\uff0c\u5982\u679c\u4e0d\u8c03\u7528\u4e0d\u4f1a\u963b\u585e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"