Fix non-finishing UsingConcurrentCollections method

Author: LeonardoZ

src/main/java/br/com/leonardoz/features/collections/UsingConcurrentCollections.java

@@ -155,6 +155,8 @@ public static void usingBlockingQueue() {
 
 				} catch (InterruptedException e) {
 					// interrupted pattern
+					// InterruptedException makes isInterrupted returns false
+					Thread.currentThread().interrupt(); 
 					System.err.println("Consumer Finished");
 				}
 			}
@@ -181,7 +183,7 @@ public static void usingBlockingQueue() {
 			}
 		};
 
-		// Multiple producers - Examples using simple threads this time. 
+		// Multiple producers - Examples using simple threads this time.
 		Thread producer1 = new Thread(runProducer);
 		producer1.start();
 		Thread producer2 = new Thread(runProducer);
@@ -204,8 +206,8 @@ public static void usingBlockingQueue() {
 	}
 
 	public static void main(String[] args) {
-		usingConcurrentHashMap();
-		usingCopyOnWriteArrayList();
+//		usingConcurrentHashMap();
+//		usingCopyOnWriteArrayList();
 		usingBlockingQueue();
 	}
 

src/main/java/br/com/leonardoz/patterns/task_cancel/ThreadTaskCancel.java

@@ -19,7 +19,7 @@ public class ThreadTaskCancel {
 	private Thread thread;
 	private Runnable task = () -> {
 		while (!Thread.currentThread().isInterrupted()) {
-			// keep going
+			// keep going - be aware of using this Pattern with the Interrupted exception! It won't work.
 		}
 	};