Merge pull request #14033 from edizor/master

Update README

core-java-modules/core-java-concurrency-collections-2/README.md

@@ -4,4 +4,5 @@
 - [Guide to the Java TransferQueue](http://www.baeldung.com/java-transfer-queue)
 - [Java Concurrent HashSet Equivalent to ConcurrentHashMap](https://www.baeldung.com/java-concurrent-hashset-concurrenthashmap)
 - [Reading and Writing With a ConcurrentHashMap](https://www.baeldung.com/concurrenthashmap-reading-and-writing)
+- [ArrayBlockingQueue vs. LinkedBlockingQueue](https://www.baeldung.com/java-arrayblockingqueue-vs-linkedblockingqueue)
 - [[<-- Prev]](/core-java-modules/core-java-concurrency-collections)

core-java-modules/core-java-io-apis-2/README.md

@@ -8,3 +8,5 @@ This module contains articles about core Java input/output(IO) APIs.
 - [Get the Desktop Path in Java](https://www.baeldung.com/java-desktop-path)
 - [Integer.parseInt(scanner.nextLine()) and scanner.nextInt() in Java](https://www.baeldung.com/java-scanner-integer)
 - [Difference Between FileReader and BufferedReader in Java](https://www.baeldung.com/java-filereader-vs-bufferedreader)
+- [Java: Read Multiple Inputs on Same Line](https://www.baeldung.com/java-read-multiple-inputs-same-line)
+- [Storing Java Scanner Input in an Array](https://www.baeldung.com/java-store-scanner-input-in-array)

core-java-modules/core-java-io-conversions-2/README.md

@@ -10,4 +10,6 @@ This module contains articles about core Java input/output(IO) conversions.
 - [Reading a CSV File into an Array](https://www.baeldung.com/java-csv-file-array)
 - [How to Write to a CSV File in Java](https://www.baeldung.com/java-csv)
 - [How to Convert InputStream to Base64 String](https://www.baeldung.com/java-inputstream-to-base64-string)
+- [Convert an OutputStream to an InputStream](https://www.baeldung.com/java-convert-outputstream-to-inputstream)
+- [Java PrintStream to String](https://www.baeldung.com/java-printstream-to-string)
 - More articles: [[<-- prev]](/core-java-modules/core-java-io-conversions)

core-java-modules/core-java-lang-oop-patterns/README.md

@@ -8,3 +8,4 @@ This module contains articles about Object-oriented programming (OOP) patterns i
 - [Immutable Objects in Java](https://www.baeldung.com/java-immutable-object)
 - [How to Make a Deep Copy of an Object in Java](https://www.baeldung.com/java-deep-copy)
 - [Using an Interface vs. Abstract Class in Java](https://www.baeldung.com/java-interface-vs-abstract-class)
+- [Should We Create an Interface for Only One Implementation?](https://www.baeldung.com/java-interface-single-implementation)

core-java-modules/core-java-regex-2/README.md

@@ -6,4 +6,5 @@
 - [How to Use Regular Expressions to Replace Tokens in Strings in Java](https://www.baeldung.com/java-regex-token-replacement)
 - [Creating a Java Array from Regular Expression Matches](https://www.baeldung.com/java-array-regex-matches)
 - [Getting the Text That Follows After the Regex Match in Java](https://www.baeldung.com/java-regex-text-after-match)
+- [Regular Expression: \z vs \Z Anchors in Java](https://www.baeldung.com/java-regular-expression-z-vs-z-anchors)
 - More articles: [[<-- prev]](/core-java-modules/core-java-regex)

core-java-modules/core-java-string-apis-2/README.md

@@ -4,3 +4,4 @@ This module contains articles about string APIs.
 
 ### Relevant Articles:
 - [Retain Only Digits and Decimal Separator in String](https://www.baeldung.com/java-string-retain-digits-decimal)
+- [Difference Between null and Empty String in Java](https://www.baeldung.com/java-string-null-vs-empty)

spring-boot-modules/spring-boot-3-observation/README.md

@@ -1,2 +1,3 @@
 ## Relevant Articles
 - [Observability with Spring Boot 3](https://www.baeldung.com/spring-boot-3-observability)
+- [Intercept SQL Logging with P6Spy](https://www.baeldung.com/java-p6spy-intercept-sql-logging)

testing-modules/selenium-junit-testng/README.md

@@ -11,7 +11,7 @@
 - [Implicit Wait vs Explicit Wait in Selenium Webdriver](https://www.baeldung.com/selenium-implicit-explicit-wait)
 - [StaleElementReferenceException in Selenium](https://www.baeldung.com/selenium-staleelementreferenceexception)
 - [Retrieve the Value of an HTML Input in Selenium WebDriver](https://www.baeldung.com/java-selenium-html-input-value)
-
+- [Opening a New Tab Using Selenium WebDriver in Java](https://www.baeldung.com/java-selenium-open-new-tab)
 #### Notes:
 - to run the live tests for the article *Fixing Selenium WebDriver Executable Path Error*, follow the manual setup described 
 [Fixing Selenium WebDriver Executable Path Error](https://www.baeldung.com/java-selenium-webdriver-path-error#manual-setup); download the 3