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Update sync.md
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@ -4,5 +4,72 @@ Synchronous subscriptions require the application to wait for messages. This typ
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For example, to subscribe to the subject `updates` and receive a single message you could do:
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!INCLUDE "../../\_examples/subscribe\_sync.html"
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{% tabs %}
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{% tab title="Go" %}
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```go
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nc, err := nats.Connect("demo.nats.io")
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if err != nil {
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log.Fatal(err)
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}
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defer nc.Close()
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// Subscribe
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sub, err := nc.SubscribeSync("updates")
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if err != nil {
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log.Fatal(err)
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}
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// Wait for a message
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msg, err := sub.NextMsg(10 * time.Second)
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if err != nil {
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log.Fatal(err)
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}
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// Use the response
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log.Printf("Reply: %s", msg.Data)
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```
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{% endtab %}
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{% tab title="Java" %}
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```java
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Connection nc = Nats.connect("nats://demo.nats.io:4222");
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// Subscribe
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Subscription sub = nc.subscribe("updates");
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// Read a message
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Message msg = sub.nextMessage(Duration.ZERO);
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String str = new String(msg.getData(), StandardCharsets.UTF_8);
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System.out.println(str);
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// Close the connection
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nc.close();
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```
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{% endtab %}
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{% tab title="JavaScript" %}
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```javascript
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// node-nats subscriptions are always async.
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```
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{% endtab %}
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{% tab title="Python" %}
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```python
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# Asyncio NATS client currently does not have a sync subscribe API
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```
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{% endtab %}
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{% tab title="Ruby" %}
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```ruby
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# The Ruby NATS client subscriptions are all async.
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```
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{% endtab %}
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{% tab title="TypeScript" %}
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```typescript
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/ Typescript NATS subscriptions are always async.
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```
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{% endtab %}
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{% endtabs %}
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