Merge pull request #11532 from johnA1331/master

BAEL-44759 - add links to github-baeldung articles

core-java-modules/core-java-networking-3/README.md

@@ -9,4 +9,5 @@ This module contains articles about networking in Java
 - [Connection Timeout vs. Read Timeout for Java Sockets](https://www.baeldung.com/java-socket-connection-read-timeout)
 - [Find Whether an IP Address Is in the Specified Range or Not in Java](https://www.baeldung.com/java-check-ip-address-range)
 - [Find the IP Address of a Client Connected to a Server](https://www.baeldung.com/java-client-get-ip-address)
+- [Unix Domain Socket in Java 16](https://www.baeldung.com/java-unix-domain-socket)
 - [[<-- Prev]](/core-java-modules/core-java-networking-2)

core-java-modules/core-java-string-operations-4/README.md

@@ -2,4 +2,5 @@
 
 - [Ignoring Commas in Quotes When Splitting a Comma-separated String](https://www.baeldung.com/java-split-string-commas)
 - [Compare Strings While Ignoring Whitespace in Java](https://www.baeldung.com/java-compare-string-whitespace)
+- [Concatenating Null Strings in Java](https://www.baeldung.com/java-concat-null-string)
 

jackson-modules/jackson-conversions-2/README.md

@@ -11,4 +11,5 @@ This module contains articles about Jackson conversions.
 - [Jackson Streaming API](https://www.baeldung.com/jackson-streaming-api)
 - [Jackson: java.util.LinkedHashMap cannot be cast to X](https://www.baeldung.com/jackson-linkedhashmap-cannot-be-cast)
 - [Deserialize Snake Case to Camel Case With Jackson](https://www.baeldung.com/jackson-deserialize-snake-to-camel-case)
+- [Serialize and Deserialize Booleans as Integers With Jackson](https://www.baeldung.com/jackson-booleans-as-integers)
 - More articles: [[<-- prev]](../jackson-conversions)

quarkus-jandex/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Quarkus Bean Discovery With Jandex Indexing](https://www.baeldung.com/quarkus-bean-discovery-index)

spring-boot-rest-2/README.md

@@ -2,3 +2,4 @@
 
 - [Get All Endpoints in Spring Boot](https://www.baeldung.com/spring-boot-get-all-endpoints)
 - [HTTP PUT vs. POST in REST API](https://www.baeldung.com/rest-http-put-vs-post)
+- [415 Unsupported MediaType in Spring Application](https://www.baeldung.com/spring-415-unsupported-mediatype)

spring-websockets/README.md

@@ -7,3 +7,4 @@ This module contains articles about Spring WebSockets.
 - [A Quick Example of Spring Websockets’ @SendToUser Annotation](https://www.baeldung.com/spring-websockets-sendtouser)
 - [Scheduled WebSocket Push with Spring Boot](https://www.baeldung.com/spring-boot-scheduled-websocket)
 - [Test WebSocket APIs With Postman](https://www.baeldung.com/postman-websocket-apis)
+- [Debugging WebSockets](https://www.baeldung.com/debug-websockets)