diff --git a/core-java/src/main/java/com/baeldung/stringtokenizer/Application.java b/core-java/src/main/java/com/baeldung/stringtokenizer/Application.java
new file mode 100644
index 0000000000..caa7ef06da
--- /dev/null
+++ b/core-java/src/main/java/com/baeldung/stringtokenizer/Application.java
@@ -0,0 +1,21 @@
+package com.baeldung.stringtokenizer;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+public class Application {
+
+	public List<String> getTokens(String str) {
+		List<String> tokens = new ArrayList<String>();
+//		StringTokenizer tokenizer = new StringTokenizer( str );
+		StringTokenizer tokenizer = new StringTokenizer( str , "," );
+//		StringTokenizer tokenizer = new StringTokenizer( str , "," , true );
+		while (tokenizer.hasMoreElements()) {
+			tokens.add( tokenizer.nextToken() );
+//			tokens.add( tokenizer.nextToken( "," ) );
+		}
+		return tokens;
+	}
+
+}
diff --git a/core-java/src/test/java/com/baeldung/stringtokenizer/ApplicationTest.java b/core-java/src/test/java/com/baeldung/stringtokenizer/ApplicationTest.java
new file mode 100644
index 0000000000..5e3df5b303
--- /dev/null
+++ b/core-java/src/test/java/com/baeldung/stringtokenizer/ApplicationTest.java
@@ -0,0 +1,30 @@
+package com.baeldung.stringtokenizer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class ApplicationTest {
+
+	Application application = new Application();
+	List<String> expectedTokens = new ArrayList<String>();
+	
+	@Before
+	public void init() {
+		expectedTokens.add( "Welcome" );
+		expectedTokens.add( "to" );
+		expectedTokens.add( "baeldung.com" );
+	}
+	
+	@Test
+	public void givenString_thenGetListOfString() {
+		String str = "Welcome,to,baeldung.com";
+		List<String> actualTokens = application.getTokens(str);
+		assertEquals(expectedTokens, actualTokens);
+	}
+	
+}
diff --git a/ratpack/src/main/java/com/baeldung/Application.java b/ratpack/src/main/java/com/baeldung/Application.java
index 94709e88e9..7f46b241ea 100644
--- a/ratpack/src/main/java/com/baeldung/Application.java
+++ b/ratpack/src/main/java/com/baeldung/Application.java
@@ -46,3 +46,4 @@ public class Application {
 	}
 
 }
+ 
diff --git a/resteasy/src/main/java/com/baeldung/filter/CORSFilter.java b/resteasy/src/main/java/com/baeldung/filter/CORSFilter.java
new file mode 100644
index 0000000000..16562d4359
--- /dev/null
+++ b/resteasy/src/main/java/com/baeldung/filter/CORSFilter.java
@@ -0,0 +1,18 @@
+package com.baeldung.filter;
+
+import java.io.IOException;
+
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerResponseContext;
+import javax.ws.rs.container.ContainerResponseFilter;
+
+public class CORSFilter implements ContainerResponseFilter {
+
+	@Override
+	public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext)
+			throws IOException {
+		responseContext.getHeaders().add("Access-Control-Allow-Origin", "*");
+		
+	}
+
+}