Merge pull request #15800 from rcalago/master

Update on README.md

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

@@ -6,3 +6,4 @@ This module contains articles about Java Character Class
 - [Character#isAlphabetic vs. Character#isLetter](https://www.baeldung.com/java-character-isletter-isalphabetic)
 - [Difference Between Java’s “char” and “String”](https://www.baeldung.com/java-char-vs-string)
 - [Increment Character in Java](https://www.baeldung.com/java-char-sequence)
+- [Creating Unicode Character From Its Code Point Hex String](https://www.baeldung.com/java-unicode-character-from-code-point-hex-string)

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

@@ -3,4 +3,4 @@ This module contains articles about date operations in Java.
 
 ### Relevant Articles:
 - [Calculate Number of Weekdays Between Two Dates in Java](https://www.baeldung.com/java-count-weekdays-between-two-dates)
-
+- [Convert Long to Date in Java](https://www.baeldung.com/java-long-date-conversion)

core-java-modules/core-java-datetime-conversion-2/README.md

@@ -3,4 +3,4 @@
 This module contains articles about converting between Java date and time objects.
 
 ### Relevant Articles: 
-
+- [Convert Gregorian to Hijri Date in Java](https://www.baeldung.com/java-date-gregorian-hijri-conversion)

core-java-modules/core-java-lang-6/README.md

@@ -14,3 +14,4 @@ This module contains articles about core features in the Java language
 - [Static Final Variables in Java](https://www.baeldung.com/java-static-final-variables)
 - [What Is the Error: “Non-static method cannot be referenced from a static context”?](https://www.baeldung.com/java-non-static-method-cannot-be-referenced-from-a-static-context)
 - [Recursively Sum the Integers in an Array](https://www.baeldung.com/java-recursive-sum-integer-array)
+- [Set an Environment Variable at Runtime in Java](https://www.baeldung.com/java-set-environment-variable-runtime)

core-java-modules/core-java-string-operations-7/README.md

@@ -14,3 +14,4 @@
 - [UTF-8 Validation in Java](https://www.baeldung.com/java-utf-8-validation)
 - [Simple Morse Code Translation in Java](https://www.baeldung.com/java-morse-code-english-translate)
 - [How to Determine if a String Contains Invalid Encoded Characters](https://www.baeldung.com/java-check-string-contains-invalid-encoded-characters)
+- [Regular Expression for Password Validation in Java](https://www.baeldung.com/java-regex-password-validation)

logging-modules/logging-techniques/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Structured Logging in Java](https://www.baeldung.com/java-structured-logging)

patterns-modules/monkey-patching/README.md

@@ -1 +1,2 @@
 ### Relevant Articles:
+- [Monkey Patching in Java](https://www.baeldung.com/java-monkey-patching)

persistence-modules/spring-boot-persistence-4/README.md

@@ -1,3 +1,4 @@
 ## Relevant Articles
 - [Scroll API in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-scroll-api)
 - [List vs. Set in @OneToMany JPA](https://www.baeldung.com/spring-jpa-onetomany-list-vs-set)
+- [N+1 Problem in Hibernate and Spring Data JPA](https://www.baeldung.com/spring-hibernate-n1-problem)

persistence-modules/spring-data-jpa-repo-4/README.md

@@ -6,4 +6,5 @@
 - [TRUNCATE TABLE in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-truncate-table)
 - [When to Use the getReferenceById() and findById() Methods in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-getreferencebyid-findbyid-methods)
 - [Implementing Persistable-Only Entities in Spring Data JPA](https://www.baeldung.com/spring-data-persistable-only-entities)
+- [Storing PostgreSQL JSONB Using Spring Boot and JPA](https://www.baeldung.com/spring-boot-jpa-storing-postgresql-jsonb)
 - More articles: [[<-- prev]](../spring-data-jpa-repo-3)

spring-batch-2/README.md

@@ -2,4 +2,5 @@
 
 - [Spring Boot With Spring Batch](https://www.baeldung.com/spring-boot-spring-batch)
 - [How to Trigger and Stop a Scheduled Spring Batch Job](https://www.baeldung.com/spring-batch-start-stop-job)
+- [Access Job Parameters From ItemReader in Spring Batch](https://www.baeldung.com/spring-batch-itemreader-access-job-parameters)
 - More articles [[<-- prev]](/spring-batch)

spring-reactive-modules/spring-reactive-3/README.md

@@ -8,4 +8,5 @@ This module contains articles about reactive Spring Boot.
 - [Spring Boot Actuator](https://www.baeldung.com/spring-boot-actuators)
 - [Reactive WebSockets with Spring 5](https://www.baeldung.com/spring-5-reactive-websockets)
 - [A Guide to Spring Session Reactive Support: WebSession](https://www.baeldung.com/spring-session-reactive)
+- [Custom JSON Deserialization Using Spring WebClient](https://www.baeldung.com/spring-webclient-json-custom-deserialization)
 - More articles: [[<-- prev]](../spring-reactive-2)