}

func doprint() {
	once.Do(setup)
	print(a)
}

func twoprint() {
	go doprint()
	go doprint()
}
</pre>

<p>
calling <code>twoprint</code> will call <code>setup</code> exactly
once.
The <code>setup</code> function will complete before either call
of <code>print</code>.
The result will be that <code>"hello, world"</code> will be printed
twice.
</p>

    // Ensure we are compiling against the right variant
    println(AndroidPlatform.isSupported)

    val url = "https://github.com/square/okhttp".toHttpUrl()
    println(url.topPrivateDomain())

    client.newCall(Request(url)).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          println("failed: $e")
        }

        override fun onResponse(

        return (bytes + 1023) / 1024;
    }

    private void println(String event, String message) {
        print(event, message);
        out.println();
    }

    private void print(String event, String message) {
        out.print("Aether Transfer - " + event);
        if (message != null) {
            out.print(": ");
            out.print(message);
        }
    }

">=1.4-0, <1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "extensions/v1beta1" -}} {{- else if semverCompare "^1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "networking.k8s.io/v1beta1" -}} {{- end -}} {{- end -}} {{/* Return the appropriate apiVersion for deployment. */}} {{- define "minio.deployment.apiVersion" -}} {{- if semverCompare "<1.9-0" .Capabilities.KubeVersion.Version -}} {{- print "apps/v1beta2" -}} {{- else -}} {{- print "apps/v1" -}} {{- end -}} {{- end -}} {{/* Return the...

">=1.4-0, <1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "extensions/v1beta1" -}} {{- else if semverCompare "^1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "networking.k8s.io/v1beta1" -}} {{- end -}} {{- end -}} {{/* Return the appropriate apiVersion for deployment. */}} {{- define "minio.deployment.apiVersion" -}} {{- if semverCompare "<1.9-0" .Capabilities.KubeVersion.Version -}} {{- print "apps/v1beta2" -}} {{- else -}} {{- print "apps/v1" -}} {{- end -}} {{- end -}} {{/* Return the...

">=1.4-0, <1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "extensions/v1beta1" -}} {{- else if semverCompare "^1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "networking.k8s.io/v1beta1" -}} {{- end -}} {{- end -}} {{/* Return the appropriate apiVersion for deployment. */}} {{- define "minio.deployment.apiVersion" -}} {{- if semverCompare "<1.9-0" .Capabilities.KubeVersion.Version -}} {{- print "apps/v1beta2" -}} {{- else -}} {{- print "apps/v1" -}} {{- end -}} {{- end -}} {{/* Return the...

">=1.4-0, <1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "extensions/v1beta1" -}} {{- else if semverCompare "^1.7-0" .Capabilities.KubeVersion.Version -}} {{- print "networking.k8s.io/v1beta1" -}} {{- end -}} {{- end -}} {{/* Return the appropriate apiVersion for deployment. */}} {{- define "minio.deployment.apiVersion" -}} {{- if semverCompare "<1.9-0" .Capabilities.KubeVersion.Version -}} {{- print "apps/v1beta2" -}} {{- else -}} {{- print "apps/v1" -}} {{- end -}} {{- end -}} {{/* Return the...

      client.start()
      val request = SimpleHttpRequests.get("https://google.com/robots.txt")
      val response = client.execute(request, LoggingCallback).get()

      println("Protocol ${response.version}")
      println("Response ${response.code}")
      println("${response.body.bodyText.substring(0, 20)}...")

      Assert.assertEquals(ProtocolVersion("HTTP", 2, 0), response.version)
    }
  }
}

                                .param("q", "curl4j")
                                .header("Accept", "application/json")
                                .execute()) {
    System.out.println("Status: " + response.getHttpStatusCode());
    System.out.println(response.getContentAsString());
}
```

### Asynchronous request

```java
import org.codelibs.curl.Curl;

Curl.post("https://api.example.com/items")

        ArrayMap<String, String> m = new ArrayMap<String, String>();
        m.put("1", "d");
        m.put("2", "d");
        System.out.println("remove before:" + m);
        m.remove("2");
        System.out.println("remove after:" + m);
        assertThat(m.containsKey("2"), is(not(true)));
        assertThat(m.containsKey("1"), is(true));
        assertThat(m.get("1"), is("d"));