Spark graphx moved to a new project due to a incompatibility of scala compiler

core-java-modules/core-java-lang/README.md

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+=========
+
+## Core Java Lang Cookbooks and Examples
+
+### Relevant Articles: 
+
+- [Generate equals() and hashCode() with Eclipse](https://www.baeldung.com/java-eclipse-equals-and-hashcode)
+- [Iterating Over Enum Values in Java](https://www.baeldung.com/java-enum-iteration)
+- [Java Double Brace Initialization](https://www.baeldung.com/java-double-brace-initialization)
+- [Guide to the Diamond Operator in Java](https://www.baeldung.com/java-diamond-operator)
+- [Comparator and Comparable in Java](https://www.baeldung.com/java-comparator-comparable)
+- [The Java continue and break Keywords](https://www.baeldung.com/java-continue-and-break)
+- [Nested Classes in Java](https://www.baeldung.com/java-nested-classes)
+- [A Guide to Inner Interfaces in Java](https://www.baeldung.com/java-inner-interfaces)
+- [Recursion In Java](https://www.baeldung.com/java-recursion)
+- [A Guide to the finalize Method in Java](https://www.baeldung.com/java-finalize)
+- [Infinite Loops in Java](https://www.baeldung.com/infinite-loops-java)
+- [Quick Guide to java.lang.System](https://www.baeldung.com/java-lang-system)
+- [Using Java Assertions](https://www.baeldung.com/java-assert)
+- [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding)
+- [Synthetic Constructs in Java](https://www.baeldung.com/java-synthetic)
+- [How to Separate Double into Integer and Decimal Parts](https://www.baeldung.com/java-separate-double-into-integer-decimal-parts)
+- [Retrieving a Class Name in Java](https://www.baeldung.com/java-class-name)
+- [Java Compound Operators](https://www.baeldung.com/java-compound-operators)
+- [Guide to Java Packages](https://www.baeldung.com/java-packages)
+- [The Java Native Keyword and Methods](https://www.baeldung.com/java-native)
+- [If-Else Statement in Java](https://www.baeldung.com/java-if-else)
+- [Control Structures in Java](https://www.baeldung.com/java-control-structures)
+- [Java Interfaces](https://www.baeldung.com/java-interfaces)
+- [Attaching Values to Java Enum](https://www.baeldung.com/java-enum-values)
+- [Variable Scope in Java](https://www.baeldung.com/java-variable-scope)
+- [Java Classes and Objects](https://www.baeldung.com/java-classes-objects)
+- [A Guide to Java Enums](https://www.baeldung.com/a-guide-to-java-enums)