原文：https://www.helplib.com/Java_API_Classes/article_64580
以下是展示如何使用io.netty.util.ReferenceCountUtil的最佳示例。 我们使用了代码质量辨别算法从开源项目中提取出了最佳的优秀示例。
实例 1
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private static void testPerformOpeningHandshake0(boolean subProtocol) { EmbeddedChannel ch = new EmbeddedChannel( new HttpObjectAggregator(42), new HttpRequestDecoder(), new HttpResponseEncoder()); FullHttpRequest req = ReferenceCountUtil.releaseLater( new DefaultFullHttpRequest(HTTP_1_1, HttpMethod.GET, "/chat")); req.headers().set(Names.HOST, "server.example.com"); req.headers().set(Names.UPGRADE, WEBSOCKET.toLowerCase()); req.headers().set(Names.CONNECTION, "Upgrade"); req.headers().set(Names.SEC_WEBSOCKET_KEY, "dGhlIHNhbXBsZSBub25jZQ=="); req.headers().set(Names.SEC_WEBSOCKET_ORIGIN, "http://example.com"); req.headers().set(Names.SEC_WEBSOCKET_PROTOCOL, "chat, superchat"); req.headers().set(Names.SEC_WEBSOCKET_VERSION, "13"); if (subProtocol) { new WebSocketServerHandshaker13( "ws://example.com/chat", "chat", false, Integer.MAX_VALUE).handshake(ch, req); } else { new WebSocketServerHandshaker13( "ws://example.com/chat", null, false, Integer.MAX_VALUE).handshake(ch, req); } ByteBuf resBuf = (ByteBuf) ch.readOutbound(); EmbeddedChannel ch2 = new EmbeddedChannel(new