diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractFileSetCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractFileSetCheck.java
index 79dc4368d..b38860f35 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractFileSetCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractFileSetCheck.java
@@ -24,6 +24,8 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.SortedSet;
 
+import org.apache.commons.lang3.ArrayUtils;
+
 import com.puppycrawl.tools.checkstyle.Utils;
 
 /**
@@ -39,7 +41,7 @@ public abstract class AbstractFileSetCheck
     private MessageDispatcher messageDispatcher;
 
     /** The file extensions that are accepted by this filter */
-    private String[] fileExtensions = {};
+    private String[] fileExtensions = ArrayUtils.EMPTY_STRING_ARRAY;
 
     /** Collects the error messages */
     private final LocalizedMessages messageCollector = new LocalizedMessages();
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java
index 3f6f9d0aa..16f12e9a7 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java
@@ -22,6 +22,8 @@ package com.puppycrawl.tools.checkstyle.checks.coding;
 import java.util.Set;
 import java.util.StringTokenizer;
 
+import org.apache.commons.lang3.ArrayUtils;
+
 import antlr.collections.AST;
 
 import com.google.common.collect.Sets;
@@ -101,7 +103,7 @@ public class IllegalInstantiationCheck
     @Override
     public int[] getAcceptableTokens() {
         // Return an empty array to not allow user to change configuration.
-        return new int[] {};
+        return ArrayUtils.EMPTY_INT_ARRAY;
     }
 
     @Override
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenCheck.java
index b63d921c3..80bd35bc1 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenCheck.java
@@ -19,6 +19,8 @@
 
 package com.puppycrawl.tools.checkstyle.checks.coding;
 
+import org.apache.commons.lang3.ArrayUtils;
+
 import com.puppycrawl.tools.checkstyle.Utils;
 import com.puppycrawl.tools.checkstyle.api.Check;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
@@ -74,7 +76,7 @@ public class IllegalTokenCheck
 
     @Override
     public int[] getRequiredTokens() {
-        return new int[0];
+        return ArrayUtils.EMPTY_INT_ARRAY;
     }
 
     @Override
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenTextCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenTextCheck.java
index 15180fa26..cbed10584 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenTextCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenTextCheck.java
@@ -21,6 +21,8 @@ package com.puppycrawl.tools.checkstyle.checks.coding;
 
 import java.util.regex.Pattern;
 
+import org.apache.commons.lang3.ArrayUtils;
+
 import com.puppycrawl.tools.checkstyle.Utils;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.checks.AbstractFormatCheck;
@@ -75,7 +77,7 @@ public class IllegalTokenTextCheck
 
     @Override
     public int[] getDefaultTokens() {
-        return new int[0];
+        return ArrayUtils.EMPTY_INT_ARRAY;
     }
 
     @Override
@@ -85,7 +87,7 @@ public class IllegalTokenTextCheck
 
     @Override
     public int[] getRequiredTokens() {
-        return new int[0];
+        return ArrayUtils.EMPTY_INT_ARRAY;
     }
 
     @Override
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/MagicNumberCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/MagicNumberCheck.java
index 261cda4cb..eb4036d7e 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/MagicNumberCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/MagicNumberCheck.java
@@ -408,7 +408,7 @@ public class MagicNumberCheck extends Check {
      */
     public void setIgnoreNumbers(double... list) {
         if (list.length == 0) {
-            ignoreNumbers = new double[0];
+            ignoreNumbers = ArrayUtils.EMPTY_DOUBLE_ARRAY;
         }
         else {
             ignoreNumbers = new double[list.length];
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanExpressionCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanExpressionCheck.java
index 190991eac..a61b128da 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanExpressionCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanExpressionCheck.java
@@ -19,6 +19,8 @@
 
 package com.puppycrawl.tools.checkstyle.checks.coding;
 
+import org.apache.commons.lang3.ArrayUtils;
+
 import com.puppycrawl.tools.checkstyle.api.Check;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
@@ -58,7 +60,7 @@ public class SimplifyBooleanExpressionCheck
     public int[] getAcceptableTokens() {
         // Return empty list to prevent user changing tokens in the
         // configuration.
-        return new int[] {};
+        return ArrayUtils.EMPTY_INT_ARRAY;
     }
 
     @Override
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/UnnecessaryParenthesesCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/UnnecessaryParenthesesCheck.java
index 5df630b67..f89f47911 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/UnnecessaryParenthesesCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/UnnecessaryParenthesesCheck.java
@@ -19,6 +19,8 @@
 
 package com.puppycrawl.tools.checkstyle.checks.coding;
 
+import org.apache.commons.lang3.ArrayUtils;
+
 import com.puppycrawl.tools.checkstyle.api.Check;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
@@ -186,7 +188,7 @@ public class UnnecessaryParenthesesCheck extends Check {
     @Override
     public int[] getRequiredTokens() {
         // Check can work with any of acceptable tokens
-        return new int[] {};
+        return ArrayUtils.EMPTY_INT_ARRAY;
     }
 
     @Override
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheckTest.java
index b1d6925c3..cb3e7a2f1 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheckTest.java
@@ -260,8 +260,7 @@ public class DescendantTokenCheckTest extends BaseCheckTestSupport {
         checkConfig.addAttribute("maximumNumber", "1");
         checkConfig.addAttribute("maximumMessage", "What are you doing?");
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig,
                getPath("coding" + File.separator + "InputReturnFromFinallyCheck.java"),
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/SuppressWarningsHolderTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/SuppressWarningsHolderTest.java
index fef1dffa3..e9d488861 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/SuppressWarningsHolderTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/SuppressWarningsHolderTest.java
@@ -43,8 +43,7 @@ public class SuppressWarningsHolderTest extends BaseCheckTestSupport {
     public void testOnComplexAnnotations() throws Exception {
         Configuration checkConfig = createCheckConfig(SuppressWarningsHolder.class);
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("InputSuppressWarningsHolder.java"), expected);
     }
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/annotation/SuppressWarningsCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/annotation/SuppressWarningsCheckTest.java
index 15ce9ca0b..6e998c555 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/annotation/SuppressWarningsCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/annotation/SuppressWarningsCheckTest.java
@@ -23,6 +23,7 @@ import static com.puppycrawl.tools.checkstyle.checks.annotation.SuppressWarnings
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Test;
 
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
@@ -788,9 +789,7 @@ public class SuppressWarningsCheckTest extends BaseCheckTestSupport {
     public void testUncheckedInConstant() throws Exception {
         DefaultConfiguration checkConfig = createCheckConfig(SuppressWarningsCheck.class);
 
-        String[] expected = {
-
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("annotation" + File.separator
                 + "SuppressWarningsConstants.java"), expected);
@@ -800,8 +799,7 @@ public class SuppressWarningsCheckTest extends BaseCheckTestSupport {
     public void testValuePairAnnotation() throws Exception {
         DefaultConfiguration checkConfig = createCheckConfig(SuppressWarningsCheck.class);
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("annotation" + File.separator
                 + "SuppressWarningsValuePair.java"), expected);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/blocks/LeftCurlyCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/blocks/LeftCurlyCheckTest.java
index 9227e371a..7f6d30fe9 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/blocks/LeftCurlyCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/blocks/LeftCurlyCheckTest.java
@@ -256,8 +256,7 @@ public class LeftCurlyCheckTest extends BaseCheckTestSupport {
     public void testIgnoreEnumsOptionTrue() throws Exception {
         checkConfig.addAttribute("option", LeftCurlyOption.EOL.toString());
         checkConfig.addAttribute("ignoreEnums", "true");
-        final String[] expectedWhileTrue = {
-        };
+        final String[] expectedWhileTrue = ArrayUtils.EMPTY_STRING_ARRAY;
         verify(checkConfig, getPath("InputLeftCurlyEnums.java"), expectedWhileTrue);
     }
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalThrowsCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalThrowsCheckTest.java
index 89b4b584f..21009bf06 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalThrowsCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalThrowsCheckTest.java
@@ -23,6 +23,7 @@ import static com.puppycrawl.tools.checkstyle.checks.coding.IllegalThrowsCheck.M
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -104,9 +105,7 @@ public class IllegalThrowsCheckTest extends BaseCheckTestSupport {
         DefaultConfiguration checkConfig = createCheckConfig(IllegalThrowsCheck.class);
         checkConfig.addAttribute("ignoreOverriddenMethods", "true");
 
-        String[] expected = {
-
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("coding" + File.separator
                 + "InputIllegalThrowsCheckIgnoreOverriddenMethods.java"), expected);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/PackageDeclarationCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/PackageDeclarationCheckTest.java
index 5d17640db..772398f0d 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/PackageDeclarationCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/PackageDeclarationCheckTest.java
@@ -23,6 +23,7 @@ import static com.puppycrawl.tools.checkstyle.checks.coding.PackageDeclarationCh
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -57,8 +58,7 @@ public class PackageDeclarationCheckTest extends BaseCheckTestSupport {
     public void testCorrectFile() throws Exception {
         DefaultConfiguration checkConfig = createCheckConfig(PackageDeclarationCheck.class);
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("coding/InputPackageDeclaration.java"), expected);
     }
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheckTest.java
index 1f4726c18..4f6292187 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheckTest.java
@@ -494,8 +494,7 @@ public class CustomImportOrderCheckTest extends BaseCheckTestSupport {
     public void testDefaultConfiguration() throws Exception {
         final DefaultConfiguration checkConfig =
             createCheckConfig(CustomImportOrderCheck.class);
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         try {
             createChecker(checkConfig);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheckTest.java
index 8b96f4704..71b3d61bc 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheckTest.java
@@ -557,9 +557,7 @@ public class JavadocMethodCheckTest extends BaseCheckTestSupport {
     @Test
     public void testSkipCertainMethods() throws Exception {
         checkConfig.addAttribute("ignoreMethodNamesRegex", "^foo.*$");
-        String[] expected = {
-
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
         verify(checkConfig, getPath("javadoc/InputJavadocMethodIgnoreNameRegex.java"), expected);
     }
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java
index d6479c90b..86dfd9903 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java
@@ -23,10 +23,10 @@ import static com.puppycrawl.tools.checkstyle.checks.metrics.BooleanExpressionCo
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
@@ -55,8 +55,7 @@ public class BooleanExpressionComplexityCheckTest extends BaseCheckTestSupport {
         checkConfig.addAttribute("max", "5");
         checkConfig.addAttribute("tokens", "BXOR,LAND,LOR");
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("metrics" + File.separator + "BooleanExpressionComplexityCheckTestInput.java"), expected);
     }
@@ -66,8 +65,7 @@ public class BooleanExpressionComplexityCheckTest extends BaseCheckTestSupport {
         DefaultConfiguration checkConfig =
             createCheckConfig(BooleanExpressionComplexityCheck.class);
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("metrics" + File.separator + "InputBooleanExpressionComplexityNPE.java"), expected);
     }
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java
index 38505c738..8d0574e5e 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java
@@ -24,10 +24,10 @@ import static org.junit.Assert.fail;
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
@@ -57,8 +57,7 @@ public class ClassDataAbstractionCouplingCheckTest extends BaseCheckTestSupport
     public void testDefaultConfiguration() throws Exception {
         DefaultConfiguration checkConfig =
             createCheckConfig(ClassDataAbstractionCouplingCheck.class);
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         try {
             createChecker(checkConfig);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheckTest.java
index 795382fa1..e80fa30da 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheckTest.java
@@ -24,6 +24,7 @@ import static org.junit.Assert.fail;
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -54,8 +55,7 @@ public class ClassFanOutComplexityCheckTest extends BaseCheckTestSupport {
 
         checkConfig.addAttribute("max", "0");
 
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         verify(checkConfig, getPath("Input15Extensions.java"), expected);
     }
@@ -64,8 +64,7 @@ public class ClassFanOutComplexityCheckTest extends BaseCheckTestSupport {
     public void testDefaultConfiguration() throws Exception {
         DefaultConfiguration checkConfig =
             createCheckConfig(ClassFanOutComplexityCheck.class);
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         try {
             createChecker(checkConfig);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/JavaNCSSCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/JavaNCSSCheckTest.java
index 6959da664..4c2765d35 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/JavaNCSSCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/JavaNCSSCheckTest.java
@@ -26,6 +26,7 @@ import static org.junit.Assert.fail;
 
 import java.io.File;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -71,8 +72,7 @@ public class JavaNCSSCheckTest extends BaseCheckTestSupport {
     @Test
     public void testDefaultConfiguration() throws Exception {
         DefaultConfiguration checkConfig = createCheckConfig(JavaNCSSCheck.class);
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         try {
             createChecker(checkConfig);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java
index 76b441b2c..4cba69aec 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java
@@ -22,11 +22,11 @@ package com.puppycrawl.tools.checkstyle.checks.metrics;
 import static com.puppycrawl.tools.checkstyle.checks.metrics.NPathComplexityCheck.MSG_KEY;
 import static org.junit.Assert.fail;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
@@ -75,8 +75,7 @@ public class NPathComplexityCheckTest extends BaseCheckTestSupport {
     public void testDefaultConfiguration() throws Exception {
         DefaultConfiguration checkConfig =
             createCheckConfig(NPathComplexityCheck.class);
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         try {
             createChecker(checkConfig);
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/ModifierOrderCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/ModifierOrderCheckTest.java
index 29d08dbe6..d6bddd4af 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/ModifierOrderCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/ModifierOrderCheckTest.java
@@ -73,7 +73,7 @@ public class ModifierOrderCheckTest
         ModifierOrderCheck modifierOrderCheckObj = new ModifierOrderCheck();
         int[] actual = modifierOrderCheckObj.getDefaultTokens();
         int[] expected = {TokenTypes.MODIFIERS};
-        int[] unexpectedEmptyArray = {};
+        int[] unexpectedEmptyArray = ArrayUtils.EMPTY_INT_ARRAY;
         int[] unexpectedArray = {
             TokenTypes.MODIFIERS,
             TokenTypes.OBJBLOCK,
@@ -89,7 +89,7 @@ public class ModifierOrderCheckTest
         ModifierOrderCheck modifierOrderCheckObj = new ModifierOrderCheck();
         int[] actual = modifierOrderCheckObj.getAcceptableTokens();
         int[] expected = {TokenTypes.MODIFIERS};
-        int[] unexpectedEmptyArray = {};
+        int[] unexpectedEmptyArray = ArrayUtils.EMPTY_INT_ARRAY;
         int[] unexpectedArray = {
             TokenTypes.MODIFIERS,
             TokenTypes.OBJBLOCK,
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/RedundantModifierTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/RedundantModifierTest.java
index 72d784f26..443aa469b 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/RedundantModifierTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/modifier/RedundantModifierTest.java
@@ -123,7 +123,7 @@ public class RedundantModifierTest
     public void testGetRequiredTokens() {
         RedundantModifierCheck redundantModifierCheckObj = new RedundantModifierCheck();
         int[] actual = redundantModifierCheckObj.getRequiredTokens();
-        int[] expected = {};
+        int[] expected = ArrayUtils.EMPTY_INT_ARRAY;
         Assert.assertArrayEquals(expected, actual);
     }
 }
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/regexp/RegexpCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/regexp/RegexpCheckTest.java
index d86a79d80..76c307fb5 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/regexp/RegexpCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/regexp/RegexpCheckTest.java
@@ -200,7 +200,7 @@ public class RegexpCheckTest extends BaseCheckTestSupport {
             createCheckConfig(RegexpCheck.class);
         checkConfigFalse.addAttribute("format", illegalFalse);
         checkConfigFalse.addAttribute("illegalPattern", "true");
-        final String[] expectedFalse = {};
+        final String[] expectedFalse = ArrayUtils.EMPTY_STRING_ARRAY;
         verify(checkConfigFalse, getPath("InputSemantic.java"), expectedFalse);
     }
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java
index 3427e38e5..2cbae6a67 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java
@@ -22,10 +22,10 @@ package com.puppycrawl.tools.checkstyle.checks.sizes;
 import static com.puppycrawl.tools.checkstyle.checks.sizes.ExecutableStatementCountCheck.MSG_KEY;
 import static org.junit.Assert.fail;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
@@ -146,8 +146,7 @@ public class ExecutableStatementCountCheckTest
     public void testDefaultConfiguration() throws Exception {
         DefaultConfiguration checkConfig =
             createCheckConfig(ExecutableStatementCountCheck.class);
-        String[] expected = {
-        };
+        String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
 
         try {
             createChecker(checkConfig);