diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 6fd8d918d0..32f656b6ed 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,102 +4,9 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="2a855b03-5ee0-4324-b916-110994784a14" name="Changes" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/compiler.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/encodings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/encodings.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" />
+    <list default="true" id="2a855b03-5ee0-4324-b916-110994784a14" name="Changes" comment="Update change to different folder and set to rebuild">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-annotations/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-annotations/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-datetime-conversion/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-datetime-conversion/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetime/ConvertInstantToTimestampUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetime/ConvertInstantToTimestampUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-io/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-io/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/convertlisttomap/ListToMapConverter.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/convertlisttomap/ListToMapConverter.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/MapperUtil.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/modelmapper/MapperUtil.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/User.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/modelmapper/User.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/UserDTO.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/modelmapper/UserDTO.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/UserList.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/modelmapper/UserList.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/UserListDTO.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/modelmapper/UserListDTO.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/UsersListConverter.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/main/java/com/ossez/modelmapper/UsersListConverter.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/baeldung/arrayconversion/ArrayToListConversionUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/ossez/arrayconversion/ArrayToListConversionUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/baeldung/convertarraytostring/ArrayToStringUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/ossez/convertarraytostring/ArrayToStringUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/baeldung/convertlisttomap/ListToMapUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/ossez/convertlisttomap/ListToMapUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/baeldung/modelmapper/UsersListMappingUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/ossez/modelmapper/UsersListMappingUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/baeldung/setiteration/SetIteration.java" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions-2/src/test/java/com/ossez/setiteration/SetIteration.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-collections-conversions/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/java-collections-conversions/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/.gitignore" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/compiler.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/encodings.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/jarRepositories.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/misc.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/runConfigurations.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/.idea/vcs.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/README.md" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/BigIntegerPrimeChecker.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/BigIntegerPrimeChecker.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/BruteForcePrimeChecker.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/BruteForcePrimeChecker.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/OptimisedPrimeChecker.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/OptimisedPrimeChecker.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/PrimeChecker.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/PrimeChecker.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/PrimesPrimeChecker.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/algorithms/primechecker/PrimesPrimeChecker.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/area/circle/Circle.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/area/circle/Circle.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/area/circle/CircleArea.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/area/circle/CircleArea.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/binarynumbers/BinaryNumbers.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/binarynumbers/BinaryNumbers.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/lcm/BigIntegerLCM.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/lcm/BigIntegerLCM.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/lcm/EuclideanAlgorithm.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/lcm/EuclideanAlgorithm.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/lcm/PrimeFactorizationAlgorithm.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/lcm/PrimeFactorizationAlgorithm.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/lcm/SimpleAlgorithm.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/lcm/SimpleAlgorithm.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/nan/NaNExample.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/nan/NaNExample.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/pow/PowerExample.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/pow/PowerExample.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/main/java/com/ossez/prime/PrimeGenerator.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/main/java/com/ossez/prime/PrimeGenerator.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/algorithms/primechecker/PrimeCheckerUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/algorithms/primechecker/PrimeCheckerUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/binarynumbers/BinaryNumbersUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/binarynumbers/BinaryNumbersUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/java/math/MathUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/java/math/MathUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/lcm/BigIntegerLCMUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/lcm/BigIntegerLCMUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/lcm/EuclideanAlgorithmUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/lcm/EuclideanAlgorithmUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/lcm/PrimeFactorizationAlgorithmUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/lcm/PrimeFactorizationAlgorithmUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/lcm/SimpleAlgorithmUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/lcm/SimpleAlgorithmUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/lossyconversion/ConversionTechniquesUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/lossyconversion/ConversionTechniquesUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/prime/PrimeGeneratorUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/src/test/java/com/ossez/prime/PrimeGeneratorUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers-2/src/test/java/com/ossez/primechecker/PrimeCheckerUnitTest.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/.gitignore" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/README.md" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/maths/BigDecimalDemo.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/maths/BigDecimalDemo.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/maths/FloatingPointArithmetic.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/maths/FloatingPointArithmetic.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/maths/Round.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/maths/Round.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/nth/root/calculator/NthRootCalculator.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/nth/root/calculator/NthRootCalculator.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/nth/root/main/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/nth/root/main/Main.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/numberofdigits/Benchmarking.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/numberofdigits/Benchmarking.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/numberofdigits/NumberOfDigits.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/numberofdigits/NumberOfDigits.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/numberofdigits/NumberOfDigitsDriver.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/numberofdigits/NumberOfDigitsDriver.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/pairsaddupnumber/DifferentPairs.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/pairsaddupnumber/DifferentPairs.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/pairsaddupnumber/ExistingPairs.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/pairsaddupnumber/ExistingPairs.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/pairsaddupnumber/FindPairs.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/pairsaddupnumber/FindPairs.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/random/SecureRandomDemo.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/random/SecureRandomDemo.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/java/com/ossez/string/DoubleToString.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/java/com/ossez/string/DoubleToString.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/resources/log4j.properties" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/resources/log4j.properties" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/main/resources/logback.xml" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/main/resources/logback.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/decimalformat/DecimalFormatExamplesUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/decimalformat/DecimalFormatExamplesUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/BigDecimalDemoUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/BigDecimalDemoUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/BigDecimalImplUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/BigDecimalImplUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/BigIntegerDemoUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/BigIntegerDemoUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/BigIntegerImplUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/BigIntegerImplUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/FloatingPointArithmeticUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/FloatingPointArithmeticUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/MathSinUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/MathSinUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/maths/RoundUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/maths/RoundUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/nth/root/calculator/NthRootCalculatorUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/nth/root/calculator/NthRootCalculatorUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/nth/root/main/MainUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/nth/root/main/MainUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/numberofdigits/NumberOfDigitsIntegrationTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/numberofdigits/NumberOfDigitsIntegrationTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/pairsaddupnumber/DifferentPairsUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/pairsaddupnumber/DifferentPairsUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/pairsaddupnumber/ExistingPairsUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/pairsaddupnumber/ExistingPairsUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/random/JavaRandomUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/random/JavaRandomUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/removingdecimals/RemovingDecimalsManualTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/removingdecimals/RemovingDecimalsManualTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/removingdecimals/RemovingDecimalsUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/removingdecimals/RemovingDecimalsUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/java-numbers/src/test/java/com/ossez/string/DoubleToStringUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers/src/test/java/com/ossez/string/DoubleToStringUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/parent-java/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/test/java/com/ossez/codebank/algorithm/tests/VariableTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/com/ossez/codebank/algorithm/tests/VariableTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/parent-java/java-numbers-2/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/parent-java/java-numbers-2/README.md" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -117,13 +24,27 @@
   <component name="PropertiesComponent">
     <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
     <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="TF_FMT" value="false" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="node.js.detected.package.eslint" value="true" />
     <property name="node.js.detected.package.tslint" value="true" />
     <property name="node.js.selected.package.eslint" value="(autodetect)" />
     <property name="node.js.selected.package.tslint" value="(autodetect)" />
   </component>
-  <component name="RunManager">
+  <component name="RunManager" selected="Application.NaNExample">
+    <configuration name="NaNExample" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="com.ossez.nan.NaNExample" />
+      <module name="java-numbers-2" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.ossez.nan.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
     <configuration name="PrimeCheckerUnitTest.whenCheckIsPrime_thenTrue" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="java-numbers-2" />
       <extension name="coverage">
@@ -169,6 +90,7 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="Application.NaNExample" />
         <item itemvalue="JUnit.PrimeCheckerUnitTest.whenCheckIsPrime_thenTrue" />
       </list>
     </recent_temporary>
@@ -182,11 +104,42 @@
       <option name="presentableId" value="Default" />
       <updated>1632408056518</updated>
       <workItem from="1632408057926" duration="1144000" />
-      <workItem from="1632417263821" duration="622000" />
+      <workItem from="1632417263821" duration="2908000" />
     </task>
+    <task id="LOCAL-00001" summary="修改项目到不同的路径">
+      <created>1632420206392</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1632420206392</updated>
+    </task>
+    <task id="LOCAL-00002" summary="Update change to different folder and set to rebuild">
+      <created>1632420268850</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1632420268850</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
     <option name="version" value="3" />
   </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="修改项目到不同的路径" />
+    <MESSAGE value="Update change to different folder and set to rebuild" />
+    <option name="LAST_COMMIT_MESSAGE" value="Update change to different folder and set to rebuild" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/parent-java/java-numbers-2/README.md b/parent-java/java-numbers-2/README.md
index 1d996e32cc..d29b9e1809 100644
--- a/parent-java/java-numbers-2/README.md
+++ b/parent-java/java-numbers-2/README.md
@@ -1,12 +1,12 @@
-## Java Number Cookbooks and Examples
+## Java 数字相关的文章和实例
 
-This module contains articles about numbers in Java.
+本模块中包含了与 Java 数字相关的一些文章
 
-### Relevant Articles
+### 相关文章
 - [Lossy Conversion in Java](https://www.baeldung.com/java-lossy-conversion)
 - [A Guide to the Java Math Class](https://www.baeldung.com/java-lang-math)
 - [Calculate the Area of a Circle in Java](https://www.baeldung.com/java-calculate-circle-area)
-- [NaN in Java](https://www.baeldung.com/java-not-a-number)
+- [Java 中的 NaN](https://www.ossez.com/t/java-nan/13748)
 - [Generating Prime Numbers in Java](https://www.baeldung.com/java-generate-prime-numbers)
 - [Using Math.pow in Java](https://www.baeldung.com/java-math-pow)
 - [Check If a Number Is Prime in Java](https://www.baeldung.com/java-prime-numbers)