Merge pull request #14169 from edizor/master

Update README

apache-kafka-2/README.md

@@ -9,3 +9,5 @@ You can build the project from the command line using: *mvn clean install*, or i
 - [Guide to Check if Apache Kafka Server Is Running](https://www.baeldung.com/apache-kafka-check-server-is-running)
 - [Add Custom Headers to a Kafka Message](https://www.baeldung.com/java-kafka-custom-headers)
 - [Get Last N Messages in Apache Kafka Topic](https://www.baeldung.com/java-apache-kafka-get-last-n-messages)
+- [Is a Key Required as Part of Sending Messages to Kafka?](https://www.baeldung.com/java-kafka-message-key)
+- [Read Data From the Beginning Using Kafka Consumer API](https://www.baeldung.com/java-kafka-consumer-api-read)

core-java-modules/core-java-collections-list-5/README.md

@@ -7,3 +7,5 @@ This module contains articles about the Java List collection
 - [Finding All Duplicates in a List in Java](https://www.baeldung.com/java-list-find-duplicates)
 - [Moving Items Around in an Arraylist](https://www.baeldung.com/java-arraylist-move-items)
 - [Check if a List Contains an Element From Another List in Java](https://www.baeldung.com/java-check-elements-between-lists)
+- [Array vs. List Performance in Java](https://www.baeldung.com/java-array-vs-list-performance)
+- [Set Default Value for Elements in List](https://www.baeldung.com/java-list-set-default-values)

core-java-modules/core-java-collections-maps-6/README.md

@@ -1,2 +1,3 @@
 ## Relevant Articles
 - [Copying All Keys and Values From One Hashmap Onto Another Without Replacing Existing Keys and Values](https://www.baeldung.com/java-copy-hashmap-no-changes)
+- [Convert Hashmap to JSON Object in Java](https://www.baeldung.com/java-convert-hashmap-to-json-object)

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

@@ -12,3 +12,5 @@ This module contains articles about core Java input/output(IO) APIs.
 - [Storing Java Scanner Input in an Array](https://www.baeldung.com/java-store-scanner-input-in-array)
 - [How to Take Input as String With Spaces in Java Using Scanner?](https://www.baeldung.com/java-scanner-input-with-spaces)
 - [Write Console Output to Text File in Java](https://www.baeldung.com/java-write-console-output-file)
+- [What’s the difference between Scanner next() and nextLine() methods?](https://www.baeldung.com/java-scanner-next-vs-nextline)
+- [Handle NoSuchElementException When Reading a File Through Scanner](https://www.baeldung.com/java-scanner-nosuchelementexception-reading-file)

core-java-modules/core-java-serialization/README.md

@@ -7,3 +7,4 @@
 - [Deserialization Vulnerabilities in Java](https://www.baeldung.com/java-deserialization-vulnerabilities)
 - [Serialization Validation in Java](https://www.baeldung.com/java-validate-serializable)
 - [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid)
+- [Java Serialization: readObject() vs. readResolve()](https://www.baeldung.com/java-serialization-readobject-vs-readresolve)

json-modules/gson-2/README.md

@@ -3,5 +3,5 @@
 This module contains articles about Gson
 
 ### Relevant Articles: 
-
+- [Solving Gson Parsing Errors](https://www.baeldung.com/gson-parsing-errors)
 

persistence-modules/spring-data-jpa-repo-3/README.md

@@ -6,4 +6,5 @@ This module contains articles about Spring Data JPA.
 - [New CRUD Repository Interfaces in Spring Data 3](https://www.baeldung.com/spring-data-3-crud-repository-interfaces)
 - [How to Persist a List of String in JPA?](https://www.baeldung.com/java-jpa-persist-string-list)
 - [Hibernate Natural IDs in Spring Boot](https://www.baeldung.com/spring-boot-hibernate-natural-ids)
+- [Correct Use of flush() in JPA](https://www.baeldung.com/spring-jpa-flush)
 - More articles: [[<-- prev]](../spring-data-jpa-repo-2)

spring-boot-modules/spring-boot-gradle-2/README.md

@@ -0,0 +1,2 @@
+## Relevant Articles
+- [Configuring Gradle Tasks in Spring Boot 3](https://www.baeldung.com/spring-boot-3-gradle-configure-tasks)

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

@@ -13,4 +13,5 @@
 - [Using Environment Variables in Spring Boot’s application.properties](https://www.baeldung.com/spring-boot-properties-env-variables)
 - [Loading Multiple YAML Configuration Files in Spring Boot](https://www.baeldung.com/spring-boot-load-multiple-yaml-configuration-files)
 - [Using Environment Variables in Spring Boot’s Properties Files](https://www.baeldung.com/spring-boot-properties-env-variables)
+- [Spring Boot Properties Prefix Must Be in Canonical Form](https://www.baeldung.com/spring-boot-properties-canonical-form)
 - More articles: [[<-- prev]](../spring-boot-properties-2)

spring-security-modules/spring-security-web-boot-4/README.md

@@ -9,5 +9,5 @@ The "REST With Spring" Classes: http://github.learnspringsecurity.com
 
 - [Spring Security: Upgrading the Deprecated WebSecurityConfigurerAdapter](https://www.baeldung.com/spring-deprecated-websecurityconfigureradapter)
 - [Spring @EnableMethodSecurity Annotation](https://www.baeldung.com/spring-enablemethodsecurity)
-
+- [Securing Spring Boot API With API Key and Secret](https://www.baeldung.com/spring-boot-api-key-secret)
 More articles: [[<-- prev]](/spring-security-modules/spring-security-web-boot-3)

testing-modules/testing-libraries-2/README.md

@@ -4,3 +4,4 @@
 - [Guide to the System Stubs Library](https://www.baeldung.com/java-system-stubs)
 - [Code Coverage with SonarQube and JaCoCo](https://www.baeldung.com/sonarqube-jacoco-code-coverage)
 - [Exclusions from Jacoco Report](https://www.baeldung.com/jacoco-report-exclude)
+- [Gray Box Testing Using the OAT Technique](https://www.baeldung.com/java-gray-box-orthogonal-array-testing)

xml-2/README.md

@@ -6,3 +6,4 @@ This module contains articles about eXtensible Markup Language (XML)
 
 - [Pretty-Print XML in Java](https://www.baeldung.com/java-pretty-print-xml)
 - [Validate an XML File Against an XSD File](https://www.baeldung.com/java-validate-xml-xsd)
+- [Converting JSON to XML in Java](https://www.baeldung.com/java-convert-json-to-xml)