Top 10 Spring Boot Interview Questions and Answers

The document discusses the benefits of progressive web apps (PWAs) over traditional mobile apps. Some key points: - PWAs provide fast loading, engageing experiences for users regardless of network connectivity. They have app-like capabilities but without large storage requirements. - PWAs can be accessed via a home screen icon like native apps but are less expensive to develop and maintain than mobile apps. They also have fewer barriers to adoption. - Metrics like speed and performance are important for PWAs. Tools like Lighthouse can help optimize a site and ensure it meets baseline PWA requirements. - Case studies found PWAs led to a 50% improvement in load time, 150% increase

Spring Roo is a development tool that aims to improve Java developer productivity without compromising flexibility or performance. It uses code generation techniques to rapidly generate Spring-based applications. Spring Roo supports features like entity management, persistence, testing, security, and internationalization. It can also generate code to support deployment to the cloud. While powerful, Spring Roo is a code generation tool and its annotations and code can be removed from an application as it is developed further.

To go faster in a car, you need not only a powerful engine, but also safety mechanisms like brakes, air bags, and seat belts. This is a talk about the safety mechanisms that allow you to build software faster. It's based on the book "Hello, Startup" (http://www.hello-startup.net/). You can find the video of the talk here: https://www.youtube.com/watch?v=4fKm6ImKml8

The document discusses Spring Boot, a framework for creating stand-alone, production-grade Spring based applications. It describes how Spring Boot allows creating projects quickly with features like embedded servers and auto-configuration. It then covers how to develop a basic Spring Boot web application including creating the project structure with Maven, adding controllers and properties files, and connecting to databases using Spring Data. Overall, the document provides an overview of Spring Boot and guidance on starting a Spring Boot web application project.

The document discusses the author's experience teaching 150 beginners programming over 2 hours. They covered basic programming concepts like variables, arrays, loops and functions using JavaScript. The author emphasizes coming prepared with a skeleton code, easy to follow URL, and being ready to answer questions. They also note the importance of inspiring students and finding teaching rewarding, especially when sharing something you're passionate about.

Building Rich Applications with Appcelerator presentation from Colorado Software Summit 2008. http://softwaresummit.com/2008/speakers/raible.htm

A beginner's guide to what Application Insights is, and how to get up and running with it quickly using Azure as a web application host.

This document discusses automation testing using Selenium. It begins by outlining the objectives of learning about manual testing and its disadvantages, automation testing, Selenium and its advantages, automation metrics, Selenium Grid, and the Selenium web driver. It then covers topics such as manual testing workflows, how Selenium can automate testing and improve workflows, what Selenium is and its features, Selenium Grid, the Selenium web driver, and using Selenium to automate tasks on a content management system called Mambo. It concludes with discussing companies that use Selenium and current job trends related to Selenium.

1) Single page applications (SPAs) use JavaScript to dynamically update the content of a single web page rather than loading entire new pages. This reduces page refreshes. 2) React is a popular JavaScript library for building user interfaces, especially for SPAs. It uses a virtual DOM for faster rendering. 3) Create-React-App is a command line interface that sets up a React project with common dependencies like Babel and Webpack preconfigured.