Collapse core-java-8 into core-java

core-java-8/README.md

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 ## Core Java 8 Cookbooks and Examples
 
 ### Relevant Articles: 
-- [Java 8 – Powerful Comparison with Lambdas](http://www.baeldung.com/java-8-sort-lambda)
-- [Java – Directory Size](http://www.baeldung.com/java-folder-size)
-- [Java – Try with Resources](http://www.baeldung.com/java-try-with-resources)
-- [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial)
-- [Java 8 New Features](http://www.baeldung.com/java-8-new-features)
-- [Lambda Expressions and Functional Interfaces: Tips and Best Practices](http://www.baeldung.com/java-8-lambda-expressions-tips)
-- [The Double Colon Operator in Java 8](http://www.baeldung.com/java-8-double-colon-operator)
-- [Java 8 Streams Advanced](http://www.baeldung.com/java-8-streams)
-- [Introduction to Thread Pools in Java](http://www.baeldung.com/thread-pool-java-and-guava)
-- [Guide to Java 8 Collectors](http://www.baeldung.com/java-8-collectors)
-- [The Java 8 Stream API Tutorial](http://www.baeldung.com/java-8-streams)
-- [New Features in Java 8](http://www.baeldung.com/java-8-new-features)
-- [Introduction to Java 8 Streams](http://www.baeldung.com/java-8-streams-introduction)
-- [Guide to the Fork/Join Framework in Java](http://www.baeldung.com/java-fork-join)
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