Discover how to build modern Single Page Applications (SPAs) in this 48-minute video tutorial. Create a powerful combination of Vue.js frontend and Spring Boot backend, integrating Okta for authentication using OAuth. Leverage JHipster to streamline the development process. Explore topics including Spring Boot fundamentals, Vue.js implementation, API calls, Bootstrap integration, and Okta authentication. Follow along as the instructor demonstrates the entire process in action, from initial setup to a fully functional SPA. Gain valuable insights into efficient development practices for creating robust, scalable web applications.