import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;

import java.util.Arrays;
import java.util.Objects;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.security.SecureRandom;
import java.util.Arrays;

import org.junit.jupiter.api.BeforeEach;

<img src="/img/tutorial/bigger-applications/image01.png">

## Include the same router multiple times with different `prefix` { #include-the-same-router-multiple-times-with-different-prefix }

You can also use `.include_router()` multiple times with the *same* router using different prefixes.

    void noDependenciesToMock() {
        // This class has no external collaborators; nothing to verify.
        // Keep Mockito import usage minimal to satisfy build-time linkage.
        Runnable r = mock(Runnable.class);
        r.run();
        verify(r, times(1)).run();
    }

            assertTrue(cbWithMetrics.getAverageResponseTime() > 0, "Average response time should be tracked");
            assertTrue(cbWithMetrics.getMinResponseTime() > 0, "Min response time should be tracked");
            assertTrue(cbWithMetrics.getMaxResponseTime() > 0, "Max response time should be tracked");
            assertTrue(cbWithMetrics.getP95ResponseTime() > 0, "P95 response time should be tracked");

import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.lenient;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

    @RetainedLocalRef Future<?> localTimer = timer;
    // Try to cancel the timer as an optimization.
    // timer may be null if this call to run was by the timer task since there is no happens-before
    // edge between the assignment to timer and an execution of the timer task.
    if (localTimer != null) {
      localTimer.cancel(false);
    }

    delegateRef = null;
    timer = null;
  }

            ace.getAccessMask();

            // Different methods called
            ace.isAllow();
            ace.getFlags();

            verify(ace, times(2)).getAccessMask();
            verify(ace, times(1)).isAllow();
            verify(ace, times(1)).getFlags();
        }
    }

    @Nested
    @DisplayName("Real-world Usage Scenarios")
    class RealWorldUsageTests {

        @Test

 * It also uses an AtomicBoolean to track whether the thread is running.
 * </p>
 *
 * <p>
 * The expired method is called when a timeout occurs.
 * It interrupts the running thread up to a maximum number of times.
 * The stop method is called to stop the timeout target.
 * </p>
 */
public class AccessTimeoutTarget implements TimeoutTarget {

    private static final Logger logger = LogManager.getLogger(AccessTimeoutTarget.class);

   *
   * <p>This is guaranteed to return zero if the dataset contains only exactly one finite value. It
   * is not guaranteed to return zero when the dataset consists of the same value multiple times,
   * due to numerical errors. However, it is guaranteed never to return a negative result.
   *
   * <h3>Non-finite values</h3>
   *