diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/AnnotatedJTool.java b/Appendices/Java Interoperability/Examples/src/interoperability/AnnotatedJTool.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/AnnotatedJTool.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/AnnotatedJTool.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/CallTopLevelFunction.java b/Appendices/Java Interoperability/Examples/src/interoperability/CallTopLevelFunction.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/CallTopLevelFunction.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/CallTopLevelFunction.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/CallTopLevelFunction2.java b/Appendices/Java Interoperability/Examples/src/interoperability/CallTopLevelFunction2.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/CallTopLevelFunction2.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/CallTopLevelFunction2.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/CatchChecked.java b/Appendices/Java Interoperability/Examples/src/interoperability/CatchChecked.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/CatchChecked.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/CatchChecked.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/Chameleon.java b/Appendices/Java Interoperability/Examples/src/interoperability/Chameleon.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/Chameleon.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/Chameleon.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/JTool.java b/Appendices/Java Interoperability/Examples/src/interoperability/JTool.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/JTool.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/JTool.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/JavaChecked.java b/Appendices/Java Interoperability/Examples/src/interoperability/JavaChecked.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/JavaChecked.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/JavaChecked.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/JavaWrapper.java b/Appendices/Java Interoperability/Examples/src/interoperability/JavaWrapper.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/JavaWrapper.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/JavaWrapper.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/MakeSalad.java b/Appendices/Java Interoperability/Examples/src/interoperability/MakeSalad.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/MakeSalad.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/MakeSalad.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/UseDataClass.java b/Appendices/Java Interoperability/Examples/src/interoperability/UseDataClass.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/UseDataClass.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/UseDataClass.java
diff --git a/Appendices/Java Interoperability/Examples/src/Interoperability/UsingKotlinClass.java b/Appendices/Java Interoperability/Examples/src/interoperability/UsingKotlinClass.java
similarity index 100%
rename from Appendices/Java Interoperability/Examples/src/Interoperability/UsingKotlinClass.java
rename to Appendices/Java Interoperability/Examples/src/interoperability/UsingKotlinClass.java