[source,kotlin]
----
tasks.register("helloTask") {
    group = "Other"
    description = "Hello task"
    println("Hello")
}
----
=====
[.multi-language-sample]
=====
.app/build.gradle
[source,groovy]
----
tasks.register("helloTask") {
    group = "Other"
    description = "Hello task"
    println("Hello")
}
----
=====
====

Now that the group is added, the task is visible:

include::sample[dir="snippets/tutorial/taskOnlyIf/groovy",files="build.gradle[]"]

----
$ gradle hello -PskipHello
include::{snippetsPath}/tutorial/taskOnlyIf/tests/taskOnlyIf.out[]
----
====

To find why a task was skipped, run the build with the `--info` logging level.

====
----
$ gradle hello -PskipHello --info
include::{snippetsPath}/tutorial/taskOnlyIf/tests/taskOnlyIf-info.out[]
----
====

    assertEquals(TypeToken.of(String.class), invokable.getParameters().get(1).getType());
  }

  public void testAnonymousClassDefaultConstructor() {
    final int i = 1;
    final String s = "hello world";
    Class<?> anonymous =
        new Runnable() {
          @Override
          public void run() {
            System.out.println(s + i);
          }
        }.getClass();

    assertEquals(TypeToken.of(String.class), invokable.getParameters().get(1).getType());
  }

  public void testAnonymousClassDefaultConstructor() {
    final int i = 1;
    final String s = "hello world";
    Class<?> anonymous =
        new Runnable() {
          @Override
          public void run() {
            System.out.println(s + i);
          }
        }.getClass();

// encrypts the pre-master secret to the server's public key.
type rsaKeyAgreement struct{}

func (ka rsaKeyAgreement) generateServerKeyExchange(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg) (*serverKeyExchangeMsg, error) {
	return nil, nil
}

func (ka rsaKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) {

	if err != nil {
		b.Fatal(err)
	}
	message := []byte("Hello, world!")
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		Sign(priv, message)
	}
}

func BenchmarkVerification(b *testing.B) {
	var zero zeroReader
	pub, priv, err := GenerateKey(zero)
	if err != nil {
		b.Fatal(err)
	}
	message := []byte("Hello, world!")
	signature := Sign(priv, message)
	b.ResetTimer()

[source, java]
----
package authoring.tutorial;

public class App {
    public String getGreeting() {
        return "Hello World!";
    }

    public static void main(String[] args) {
        System.out.println(new App().getGreeting());
    }
}
----

The code prints out a simple "Hello World" greeting to the screen.

A test class is available at `app/src/test/java/authoring/tutorial/AppTest.java`:

	// We should have "Hello" at least sitting there.
	firstRead := make([]byte, 10)
	n, err := res.Body.Read(firstRead)
	if err != nil {
		t.Fatal(err)
	}
	firstRead = firstRead[:n]

	close(cancel)

	rest, err := io.ReadAll(res.Body)
	all := string(firstRead) + string(rest)
	if all != "Hello" {
		t.Errorf("Read %q (%q + %q); want Hello", all, firstRead, rest)
	}

      MockResponse.Builder()
        .headersDelay(1500, TimeUnit.MILLISECONDS)
        .build(),
    )
    val request =
      Request.Builder()
        .url(server.url("/"))
        .post(DelayedRequestBody("hello".toRequestBody(null), 1500, TimeUnit.MILLISECONDS))
        .build()
    client =
      client.newBuilder()
        .readTimeout(1000, TimeUnit.MILLISECONDS)
        .build()
    val call = client.newCall(request)

			expectedReason: metav1.StatusReasonAlreadyExists,
		},
		{
			name:           "Nested, no match",
			err:            fmt.Errorf("wrapping: %w", fmt.Errorf("some more: %w", errors.New("hello"))),
			expectedReason: metav1.StatusReasonUnknown,
		},
		{
			name:           "Nil",
			expectedReason: metav1.StatusReasonUnknown,
		},
	}

	for _, tc := range testCases {