## Core Java 11 This module contains articles about Java 11 core features ### Relevant articles - [Guide To Java 8 Optional](https://www.baeldung.com/java-optional) - [Guide to Java Reflection](http://www.baeldung.com/java-reflection) - [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) - [Java HTTPS Client Certificate Authentication](https://www.baeldung.com/java-https-client-certificate-authentication) - [Call Methods at Runtime Using Java Reflection](https://www.baeldung.com/java-method-reflection) - [Java HttpClient Basic Authentication](https://www.baeldung.com/java-httpclient-basic-auth) - [Java HttpClient With SSL](https://www.baeldung.com/java-httpclient-ssl)