A Passwordless Future & AI in Java

Java User Group Paderborn

Passkeys for Java Developers, Langchain4J

adesso SE

<h4>Passkeys for Java</h4><p><br></p><p>Weak passwords remain one of the major causes of breaches and security incidents. The Web Authentication standard provides a robust framework for passwordless authentication using passkeys. Passkeys are the latest revolution in authentication. You may have used it with Google or GitHub. But what exactly is it and how does it work? You will learn all about it in this talk.<br><br>We will dive into the core concepts of passkeys, their architecture, and their pros and cons. We will see how Passkey leverages public key cryptography and biometrics/hardware authenticators to offer enhanced security and usability while eliminating the vulnerabilities associated with traditional password-based systems.<br><br>We will explore how Java developers can leverage WebAuthn Java libraries to implement passkeys in their apps. We will also learn to use passkeys with Spring Security and external Identity providers. There will be demos, showing step-by-step integration of passkeys into Java web applications.</p>

<h4>Pioneering the Future of Java with Intelligent Apps</h4><p>Disruptive changes are so called because they cut across traditional boundaries in whatever domain it is they are disrupting. This keynote from 30-year software industry veteran Ed Burns and cutting-edge AI practitioner Sandra Ahlgrimm explores the ways that AI can be practically applied in a typical contemporary cloud-native Java Azure application deployment. We take examples from a full-length workshop and examine each in the context of the AI and cloud-native application patterns being illustrated.</p><ul><li>What is the state of the art for continuing to derive value from existing legacy enterprise Java software line-of-business (LOB) applications?</li><li>We will use a chatbot to interact with GPT-4 and implement the Retrieval Augmented Generation (RAG) pattern.</li><li>Using a vector database, the model will be able to answer questions in natural language and generate complete, sourced responses from your own documents.</li><li>How can AI augment legacy LOB apps?</li><li>We will create a Quarkus service based on the open-source LangChain4J and ChatBootAI frameworks to test our chatbot.</li><li>This being Global Azure Austria, naturally, these resources are deployed to Azure.</li></ul>

<h3>Deepu K Sasidharan</h3><p>JHipster co-lead, Java Champion &amp; Staff Developer Advocate @ Okta</p><p>Deepu K Sasidharan is a Software Engineer by passion and profession. He is a Java Champion working as a Staff Developer Advocate at Auth0 by Okta. He is the co-lead of JHipster and the creator of KDash and JDL Studio. He is a polyglot programmer working with Java, Rust, JavaScript, Go, and so on. He is also a cloud technology advocate and an open-source software aficionado. He has authored books on Full-stack development and frequently writes about Java, Rust, JavaScript, Go, DevOps, Kubernetes, Linux, and so on, on his blog.</p><p><br></p>

<h3><strong><strong>Sandra Ahlgrimm</strong></strong></h3><p>Sandra is a Cloud Developer Advocate focusing on Java in Microservice Architectures and Containers on the Azure platform. She helps in the Docker and Kubernetes community whenever she can. She is organizing the JUG Berlin/Brandenburg and the Berlin Docker Meetup. Sandra has a strong background in software development. She holds an M.Sc. in Media and Computer Science from Berlin University of Applied Sciences. During her studies she worked in several Start Ups and Companies of Axel Springers where she gained expertise in setting up hybrid infrastructures, devops culture and process automation. Sandra is a huge fan of event driven architectures with real time requirements.</p>

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