Clean up core-java-8 samples

core-java-8/src/test/java/com/baeldung/doublecolon/TestComputerUtils.java

@@ -6,7 +6,9 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
 import java.util.function.BiFunction;
 
 import static com.baeldung.doublecolon.ComputerUtils.*;

core-java-8/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java

@@ -1,14 +1,13 @@
 package com.baeldung.java8;
 
-import static org.hamcrest.Matchers.hasSize;
-import static org.junit.Assert.assertThat;
+import com.google.common.collect.Lists;
+import org.junit.Test;
 
 import java.util.List;
 import java.util.stream.Collectors;
 
-import org.junit.Test;
-
-import com.google.common.collect.Lists;
+import static org.hamcrest.Matchers.hasSize;
+import static org.junit.Assert.assertThat;
 
 public class Java8CollectionCleanupUnitTest {
 

core-java-8/src/test/java/com/baeldung/java8/Java8ExecutorServiceTest.java

@@ -7,6 +7,7 @@ import org.junit.Test;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.*;
+
 import static org.junit.Assert.*;
 
 
@@ -53,8 +54,8 @@ public class Java8ExecutorServiceTest {
     public void creationSubmittingTasksShuttingDownNow_whenShutDownAfterAwating_thenCorrect() {
 
         ExecutorService threadPoolExecutor =
-          new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS,
-            new LinkedBlockingQueue<>());
+                new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS,
+                        new LinkedBlockingQueue<>());
 
         for (int i = 0; i < 100; i++) {
             threadPoolExecutor.submit(callableTask);

core-java-8/src/test/java/com/baeldung/java8/Java8ForkJoinTest.java

@@ -1,7 +1,6 @@
 package com.baeldung.java8;
 
 
-
 import com.baeldung.forkjoin.CustomRecursiveAction;
 import com.baeldung.forkjoin.CustomRecursiveTask;
 import com.baeldung.forkjoin.util.PoolUtil;

core-java-8/src/test/java/com/baeldung/java8/Java8FunctionalInteracesLambdasTest.java

@@ -1,16 +1,15 @@
 package com.baeldung.java8;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-
-import java.util.function.Function;
-
-import org.junit.Before;
-import org.junit.Test;
-
 import com.baeldung.Foo;
 import com.baeldung.FooExtended;
 import com.baeldung.UseFoo;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.function.Function;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 
 public class Java8FunctionalInteracesLambdasTest {
 

core-java-8/src/test/java/com/baeldung/java8/Java8SortUnitTest.java

@@ -1,17 +1,16 @@
 package com.baeldung.java8;
 
-import static org.hamcrest.Matchers.equalTo;
+import com.baeldung.java8.entity.Human;
+import com.google.common.collect.Lists;
+import com.google.common.primitives.Ints;
+import org.junit.Assert;
+import org.junit.Test;
 
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 
-import org.junit.Assert;
-import org.junit.Test;
-
-import com.baeldung.java8.entity.Human;
-import com.google.common.collect.Lists;
-import com.google.common.primitives.Ints;
+import static org.hamcrest.Matchers.equalTo;
 
 public class Java8SortUnitTest {
 

core-java-8/src/test/java/com/baeldung/java8/JavaFolderSizeTest.java

@@ -1,22 +1,18 @@
 package com.baeldung.java8;
 
-import static org.junit.Assert.assertEquals;
+import org.apache.commons.io.FileUtils;
+import org.junit.Before;
+import org.junit.Test;
 
 import java.io.File;
 import java.io.IOException;
-import java.nio.file.FileVisitResult;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.SimpleFileVisitor;
+import java.nio.file.*;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.text.DecimalFormat;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.stream.StreamSupport;
 
-import org.apache.commons.io.FileUtils;
-import org.junit.Before;
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
 
 public class JavaFolderSizeTest {
 
@@ -93,7 +89,7 @@ public class JavaFolderSizeTest {
         final File folder = new File(path);
         final long size = getFolderSize(folder);
 
-        final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };
+        final String[] units = new String[]{"B", "KB", "MB", "GB", "TB"};
         final int unitIndex = (int) (Math.log10(size) / 3);
         final double unitValue = 1 << (unitIndex * 10);
 

core-java-8/src/test/java/com/baeldung/java8/JavaTryWithResourcesTest.java

@@ -1,13 +1,13 @@
 package com.baeldung.java8;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.Date;
 import java.util.Scanner;
 
-import org.junit.Assert;
-import org.junit.Test;
-
 public class JavaTryWithResourcesTest {
 
     private static final String TEST_STRING_HELLO_WORLD = "Hello World";

core-java-8/src/test/java/com/baeldung/java8/base64/ApacheCommonsEncodeDecodeTest.java

@@ -1,14 +1,12 @@
 package com.baeldung.java8.base64;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-
-import java.io.UnsupportedEncodingException;
-
 import org.apache.commons.codec.binary.Base64;
 import org.junit.Test;
 
+import java.io.UnsupportedEncodingException;
+
+import static org.junit.Assert.*;
+
 public class ApacheCommonsEncodeDecodeTest {
 
     // tests

core-java-8/src/test/java/com/baeldung/java8/base64/Java8EncodeDecodeTest.java

@@ -1,14 +1,12 @@
 package com.baeldung.java8.base64;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
+import org.junit.Test;
 
 import java.io.UnsupportedEncodingException;
 import java.util.Base64;
 import java.util.UUID;
 
-import org.junit.Test;
+import static org.junit.Assert.*;
 
 public class Java8EncodeDecodeTest {