BAEL-1077 Guide to volatile keyword (#2433)

* review changes

* BAEL-1024 Removed the proxy reference

* BAEL-1024 Renamed methods

* BAEL-1077 Guide to volatile keyword

core-java/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java

@@ -0,0 +1,13 @@
+package com.baeldung.concurrent.volatilekeyword;
+
+
+public class SharedObject {
+    private volatile int count=0;
+
+    public void increamentCount(){
+        count++;
+    }
+    public int  getCount(){
+        return count;
+    }
+}