Revert "BAEL-4134"

core-java-modules/core-java-concurrency-advanced-3/README.md

@@ -13,4 +13,6 @@ This module contains articles about advanced topics about multithreading with co
 - [Java Thread Deadlock and Livelock](https://www.baeldung.com/java-deadlock-livelock)
 - [Guide to AtomicStampedReference in Java](https://www.baeldung.com/java-atomicstampedreference)
 - [The ABA Problem in Concurrency](https://www.baeldung.com/cs/aba-concurrency)
+- [Introduction to Lock-Free Data Structures](https://www.baeldung.com/lock-free-programming)
+- [Introduction to Exchanger in Java](https://www.baeldung.com/java-exchanger)
 - [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

core-java-modules/core-java-concurrency-advanced-3/src/main/java/com/baeldung/thisescape/ImplicitEscape.java

@@ -0,0 +1,16 @@
+package com.baeldung.thisescape;
+
+public class ImplicitEscape {
+
+    public ImplicitEscape() {
+        Thread t = new Thread() {
+
+            @Override
+            public void run() {
+                System.out.println("Started...");
+            }
+        };
+
+        t.start();
+    }
+}

core-java-modules/core-java-concurrency-advanced-3/src/main/java/com/baeldung/thisescape/LoggerRunnable.java

@@ -0,0 +1,14 @@
+package com.baeldung.thisescape;
+
+public class LoggerRunnable implements Runnable {
+
+    public LoggerRunnable() {
+        Thread thread = new Thread(this); // this escapes
+        thread.start();
+    }
+
+    @Override
+    public void run() {
+        System.out.println("Started...");
+    }
+}

core-java-modules/core-java-concurrency-advanced-3/src/main/java/com/baeldung/thisescape/SafePublication.java

@@ -0,0 +1,24 @@
+package com.baeldung.thisescape;
+
+public class SafePublication implements Runnable {
+
+    private final Thread thread;
+
+    public SafePublication() {
+        thread = new Thread(this);
+    }
+
+    @Override
+    public void run() {
+        System.out.println("Started...");
+    }
+
+    public void start() {
+        thread.start();
+    }
+
+    public static void main(String[] args) {
+        SafePublication publication = new SafePublication();
+        publication.start();
+    }
+}