Using AtomicInteger to avoid Race conditions

core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java

@@ -10,7 +10,7 @@ public class CountdownLatchResetExampleUnitTest {
     
     @Test
     public void whenCountDownLatch_noReset() {
-        CountdownLatchResetExample ex = new CountdownLatchResetExample(new ArrayList<>(),5,20);
+        CountdownLatchResetExample ex = new CountdownLatchResetExample(5,20);
         int lineCount = ex.countWaits();
         assertEquals(5, lineCount);
     }

core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java

@@ -2,15 +2,13 @@ package com.baeldung.concurrent.cyclicbarrier;
 
 import static org.junit.Assert.assertEquals;
 
-import java.util.ArrayList;
-
 import org.junit.Test;
 
 public class CyclicBarrierCompletionMethodExampleUnitTest {
     
     @Test
     public void whenCyclicBarrier_countTrips() {
-        CyclicBarrierCompletionMethodExample ex = new CyclicBarrierCompletionMethodExample(new ArrayList<>(),5,20);
+        CyclicBarrierCompletionMethodExample ex = new CyclicBarrierCompletionMethodExample(5,20);
         int lineCount = ex.countTrips();
         assertEquals(4, lineCount);
     }

core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java

@@ -2,15 +2,13 @@ package com.baeldung.concurrent.cyclicbarrier;
 
 import static org.junit.Assert.assertEquals;
 
-import java.util.ArrayList;
-
 import org.junit.Test;
 
 public class CyclicBarrierResetExampleUnitTest {
     
     @Test
     public void whenCyclicBarrier_reset() {
-        CyclicBarrierResetExample ex = new CyclicBarrierResetExample(new ArrayList<>(),5,20);
+        CyclicBarrierResetExample ex = new CyclicBarrierResetExample(5,20);
         int lineCount = ex.countWaits();
         assertEquals(16, lineCount);
     }