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Full Stack Development with Spring Boot 3 and React

Full Stack Development with Spring Boot 3 and React

By : Juha Hinkula
4.4 (18)
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Full Stack Development with Spring Boot 3 and React

Full Stack Development with Spring Boot 3 and React

4.4 (18)
By: Juha Hinkula

Overview of this book

If you’re an existing Java developer who wants to go full stack or pick up another frontend framework, this book is your concise introduction to React. In this three-part build-along, you’ll create a robust Spring Boot backend, a React frontend, and then deploy them together. This new edition is updated to Spring Boot 3 and includes expanded content on security and testing. For the first time ever, it also covers React development with the in-demand TypeScript. You’ll explore the elements that go into creating a REST API and testing, securing, and deploying your applications. You’ll learn about custom Hooks, third-party components, and MUI. By the end of this book, you'll be able to build a full stack application using the latest tools and modern best practices.
Table of Contents (23 chapters)
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1
Part I: Backend Programming with Spring Boot
8
Part II: Frontend Programming with React
14
Part III: Full Stack Development
21
Other Books You May Enjoy
22
Index

Handling forms with React

Form handling is a little bit different with React. An HTML form will navigate to the next page when it is submitted. In React, often, we want to invoke a JavaScript function that has access to form data after submission, and avoid navigating to the next page. We already covered how to avoid submission in the previous section using preventDefault().

Let’s first create a minimalistic form with one input field and a Submit button. In order to get the value of the input field, we use the onChange event handler. We use the useState hook to create a state variable called text. When the value of the input field is changed, the new value will be saved to the state. This component is called a controlled component because form data is handled by React. In an uncontrolled component, the form data is handled only by the DOM.

The setText(event.target.value) statement gets the value from the input field and saves it to the state. Finally, we will show the...

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