Merge pull request #11255 from johnA1331/master

BAEL-40948 - Main - github-related test fixes (09.2021)

core-java-modules/core-java-11-2/README.md

@@ -8,3 +8,4 @@ This module contains articles about Java 11 core features
 - [Guide to Java 8’s Collectors](https://www.baeldung.com/java-8-collectors)
 - [New Features in Java 11](https://www.baeldung.com/java-11-new-features)
 - [Getting the Java Version at Runtime](https://www.baeldung.com/get-java-version-runtime)
+- [Invoking a SOAP Web Service in Java](https://www.baeldung.com/java-soap-web-service)

core-java-modules/core-java-16/README.md

@@ -4,3 +4,4 @@
 - [Guide to mapMulti in Stream API](https://www.baeldung.com/java-mapmulti)
 - [Collecting Stream Elements into a List in Java](https://www.baeldung.com/java-stream-to-list-collecting)
 - [New Features in Java 16](https://www.baeldung.com/java-16-new-features)
+- [Guide to Java 8 groupingBy Collector](https://www.baeldung.com/java-groupingby-collector)

core-java-modules/core-java-collections-maps-3/README.md

@@ -8,5 +8,5 @@ This module contains articles about Map data structures in Java.
 - [The Map.computeIfAbsent() Method](https://www.baeldung.com/java-map-computeifabsent)
 - [Collections.synchronizedMap vs. ConcurrentHashMap](https://www.baeldung.com/java-synchronizedmap-vs-concurrenthashmap)
 - [Java HashMap Load Factor](https://www.baeldung.com/java-hashmap-load-factor)
-- [Converting java.util.Properties to HashMap](https://www.baeldung.com/java-convert-properties-to-hashmap)
+- [Converting Java Properties to HashMap](https://www.baeldung.com/java-convert-properties-to-hashmap)
 - More articles: [[<-- prev]](/core-java-modules/core-java-collections-maps-2)

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

@@ -3,6 +3,6 @@
 ### Relevant Articles:
 
 - [Read and Write User Input in Java](http://www.baeldung.com/java-console-input-output)
-- [Formatting with printf() in Java](https://www.baeldung.com/java-printstream-printf)
+- [Formatting Output with printf() in Java](https://www.baeldung.com/java-printstream-printf)
 - [ASCII Art in Java](http://www.baeldung.com/ascii-art-in-java)
 - [System.console() vs. System.out](https://www.baeldung.com/java-system-console-vs-system-out)

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

@@ -13,4 +13,5 @@ This module contains articles about core Java input/output(IO) conversions.
 - [Java – Write a Reader to File](https://www.baeldung.com/java-write-reader-to-file)
 - [Java – Reader to Byte Array](https://www.baeldung.com/java-convert-reader-to-byte-array)
 - [Java – Reader to InputStream](https://www.baeldung.com/java-convert-reader-to-inputstream)
+- [Java String to InputStream](https://www.baeldung.com/convert-string-to-input-stream)
 - More articles: [[next -->]](/core-java-modules/core-java-io-conversions-2)