Update README.md to have ref links to source code

Author: LeonardoZ

README.md

@@ -3,52 +3,53 @@
 Concurrency Patterns and features found in Java, through multithreaded programming. 
 
 ## Features:
-* Threads and Runnables
-* Locks
-  *	Intrinsic
+* [Threads and Runnables](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/threads/UsingThreads.java)
+* [Locks](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/features/locks)
+  *	[Intrinsic](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/locks/UsingIntrinsicLocks.java)
   *	Explicit
-	* Reentrant
-	* ReadWrite 
-* Synchronizers
-  *	Latches
-  *	Semaphores
-  *	Barriers
-* Synchronized Collections
-* Concurrent Collections  
-  * CopyOnWriteArrayList
-  *	ConcurrentHashMap
-  *	Blocking Queue
-* Executors
-  *	Fixed Thread Pool
-  *	Cached Thread Pool
-  *	Single Thread Pool
-  *	Scheduled Thread Pool
-* Atomics
-* Futures
-  * FutureTask
-  * CompletableFuture
-* Java Memory Model
+	* [Reentrant](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/locks/UsingExplicitReentrantLocks.java)
+	* [ReadWrite](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/locks/UsingExplicitReadWriteLocks.java) 
+* [Synchronizers](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/features/synchronizers)
+  *	[Latches](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/synchronizers/UsingLatches.java)
+  *	[Semaphores](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/synchronizers/UsingSemaphores.java)
+  *	[Barriers](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/synchronizers/UsingBarriers.java)
+* [Synchronized Collections](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/collections/UsingSynchronizedCollections.java)
+* [Concurrent Collections](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/collections/UsingConcurrentCollections.java)  
+  * [CopyOnWriteArrayList](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/collections/UsingConcurrentCollections.java#L89)
+  *	[ConcurrentHashMap](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/collections/UsingConcurrentCollections.java#L40)
+  *	[Blocking Queue](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/collections/UsingConcurrentCollections.java#L141)
+* [Executors](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/executors/UsingExecutors.java)
+  *	[Fixed Thread Pool](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/executors/UsingExecutors.java#L89)
+  *	[Cached Thread Pool](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/executors/UsingExecutors.java#L60)
+  *	[Single Thread Pool](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/executors/UsingExecutors.java#L46)
+  *	[Scheduled Thread Pool](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/executors/UsingExecutors.java#L117)
+* [Atomics](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/atomics/UsingAtomics.java)
+* [Futures](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/features/futures)
+  * [FutureTask](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/futures/UsingFutureTasks.java)
+  * [CompletableFuture](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/futures/UsingCompletableFuture.java)
+* [Java Memory Model](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/features/java_memory_model/WhatIsJavaMemoryModel.java)
 
 ## Patterns
-* Protect Shared State
-* Lock Split
-* Protecting Composed Actions
-* Fixed Lock Ordering
-* Thread Local Confinement
-* Immutable Object
-* Safe Instantiation 
-* Safe Publication
-* Interruption
-* Resource Pool
-* Condition Queues (wait-notify / await-signal)
-* Background Task Executor
-* Task Cancel
-* Producer-Consumer
-* Task Convergence
-* Non-Blocking with Atomics
-* Controlled Concurrent Initialization
+* [Protect Shared State](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/thread_safe/shared_state)
+* [Atomic Compound Actions](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/thread_safe/compound_actions)
+* [Lock Split](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/thread_safe/lock_split)
+* [Fixed Lock Ordering](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/fixed_lock_ordering)
+* [Thread Local Confinement](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/thread_safe/thread_confinement)
+* [Immutable Object](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/thread_safe/immutable_object)
+* [Safe Lazy Initialization](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/thread_safe/initialization/SafeInitializationHolder.java) 
+* [Safe Publishing](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/thread_safe/publishing/SafePublishing.java)
+* [Resource Pool](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/resource_pool)
+* [Condition Queues](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/condition_queues) 
+  * [wait-notify](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/condition_queues/WaitNotifyQueue.java)
+  * [await-signal](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/condition_queues/ExplicitConditionQueue.java)
+* [Background Task Executor](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/task_execution/BackgroundTaskExecutor.java)
+* [Task Cancel](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/task_cancel)
+* [Producer-Consumer](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/producer_consumer/ProducerConsumer.java)
+* [Task Convergence](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/task_convergence/TaskConvergence.java)
+* [Non-Blocking with Atomics](https://github.com/LeonardoZ/java-concurrency-patterns/tree/master/src/main/java/br/com/leonardoz/patterns/non_blocking)
+* [Controlled Concurrent Initialization](https://github.com/LeonardoZ/java-concurrency-patterns/blob/master/src/main/java/br/com/leonardoz/patterns/controlled_initialization/ControlledInitialization.java)
 
 ## About
 Patterns and Algorithms inspired by the Java Concurrency in Practice book.
 
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