Merge pull request #9067 from johnA1331/master

BAEL-22989

core-java-modules/core-java-14/README.md

@@ -7,3 +7,4 @@ This module contains articles about Java 14.
 - [Guide to the @Serial Annotation in Java 14](https://www.baeldung.com/java-14-serial-annotation)
 - [Java Text Blocks](https://www.baeldung.com/java-text-blocks)
 - [Pattern Matching for instanceof in Java 14](https://www.baeldung.com/java-pattern-matching-instanceof)
+- [Helpful NullPointerExceptions in Java 14](https://www.baeldung.com/java-14-nullpointerexception)

core-java-modules/core-java-concurrency-advanced-3/README.md

@@ -10,4 +10,5 @@ This module contains articles about advanced topics about multithreading with co
 - [Guide to RejectedExecutionHandler](https://www.baeldung.com/java-rejectedexecutionhandler)
 - [Guide to Work Stealing in Java](https://www.baeldung.com/java-work-stealing)
 - [Asynchronous Programming in Java](https://www.baeldung.com/java-asynchronous-programming)
+- [Java Thread Deadlock and Livelock](https://www.baeldung.com/java-deadlock-livelock)
 - [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

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

@@ -8,4 +8,5 @@ This module contains articles about basic Java concurrency
 - [Difference Between Wait and Sleep in Java](https://www.baeldung.com/java-wait-and-sleep)
 - [Guide to the Synchronized Keyword in Java](https://www.baeldung.com/java-synchronized)
 - [Life Cycle of a Thread in Java](https://www.baeldung.com/java-thread-lifecycle)
-- [[<-- Prev]](/core-java-modules/core-java-concurrency-basic)
+- [Guide to AtomicMarkableReference](https://www.baeldung.com/java-atomicmarkablereference)
+- [[<-- Prev]](/core-java-modules/core-java-concurrency-basic)

core-java-modules/core-java-date-operations-2/README.md

@@ -7,4 +7,5 @@ This module contains articles about date operations in Java.
 - [Checking If Two Java Dates Are on the Same Day](https://www.baeldung.com/java-check-two-dates-on-same-day)
 - [Converting Java Date to OffsetDateTime](https://www.baeldung.com/java-convert-date-to-offsetdatetime)
 - [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone)
+- [How to determine day of week by passing specific date in Java?](https://www.baeldung.com/java-get-day-of-week)
 - [[<-- Prev]](/core-java-modules/core-java-date-operations-1)

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

@@ -10,4 +10,5 @@ This module contains articles about core features in the Java language
 - [How to Return Multiple Values From a Java Method](https://www.baeldung.com/java-method-return-multiple-values)
 - [Guide to the Java finally Keyword](https://www.baeldung.com/java-finally-keyword)
 - [The Java Headless Mode](https://www.baeldung.com/java-headless-mode)
+- [Comparing Long Values in Java](https://www.baeldung.com/java-compare-long-values)
 - [[<-- Prev]](/core-java-modules/core-java-lang)

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

@@ -9,3 +9,4 @@
 - [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
 - [Difference Between Java Matcher find() and matches()](https://www.baeldung.com/java-matcher-find-vs-matches)
 - [How to Use Regular Expressions to Replace Tokens in Strings](https://www.baeldung.com/java-regex-token-replacement)
+- [Regular Expressions \s and \s+ in Java](https://www.baeldung.com/java-regex-s-splus)

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

@@ -8,4 +8,5 @@ This module contains articles about core Java Security
 - [MD5 Hashing in Java](http://www.baeldung.com/java-md5)
 - [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing)
 - [SHA-256 and SHA3-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java)
+- [Checksums in Java](https://www.baeldung.com/java-checksums)
 - More articles: [[<-- prev]](/core-java-modules/core-java-security)

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

@@ -9,4 +9,5 @@ This module contains articles about the Stream API in Java.
 - [Guide to Java 8’s Collectors](https://www.baeldung.com/java-8-collectors)
 - [Primitive Type Streams in Java 8](https://www.baeldung.com/java-8-primitive-streams)
 - [Debugging Java 8 Streams with IntelliJ](https://www.baeldung.com/intellij-debugging-java-streams)
+- [Add BigDecimals using the Stream API](https://www.baeldung.com/java-stream-add-bigdecimals)
 - More articles: [[<-- prev>]](/../core-java-streams-2)

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

@@ -13,4 +13,5 @@ This module contains articles about string operations.
 - [Adding a Newline Character to a String in Java](https://www.baeldung.com/java-string-newline)
 - [Check If a String Contains a Substring](https://www.baeldung.com/java-string-contains-substring)
 - [Java Base64 Encoding and Decoding](https://www.baeldung.com/java-base64-encode-and-decode)
+- [Java Convert PDF to Base64](https://www.baeldung.com/java-convert-pdf-to-base64)
 - More articles: [[next -->]](../core-java-string-operations-2)

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

@@ -12,3 +12,4 @@ This module contains articles about strings in Java.
 - [Java String Interview Questions and Answers](https://www.baeldung.com/java-string-interview-questions)
 - [Java Multi-line String](https://www.baeldung.com/java-multiline-string)
 - [Guide to Java String Pool](https://www.baeldung.com/java-string-pool)
+- [Fixing “constant string too long” Build Error](https://www.baeldung.com/java-constant-string-too-long-error)