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Learn Ethereum

You're reading from   Learn Ethereum A practical guide to help developers set up and run decentralized applications with Ethereum 2.0

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Product type Paperback
Published in Aug 2023
Publisher Packt
ISBN-13 9781804616512
Length 814 pages
Edition 2nd Edition
Languages
Concepts
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Authors (3):
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Dongying Song Dongying Song
Author Profile Icon Dongying Song
Dongying Song
Zhihong Zou Zhihong Zou
Author Profile Icon Zhihong Zou
Zhihong Zou
Xun (Brian) Wu Xun (Brian) Wu
Author Profile Icon Xun (Brian) Wu
Xun (Brian) Wu
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Toc

Table of Contents (24) Chapters Close

Preface 1. Part 1: Blockchain and Ethereum Basics
2. Chapter 1: Blockchain and Cryptocurrency FREE CHAPTER 3. Chapter 2: Ethereum Architecture and Ecosystem 4. Chapter 3: Decentralized Finance 5. Chapter 4: EVM-Compatible Blockchain Networks 6. Chapter 5: Deep Research and the Latest Developments in Ethereum 7. Part 2:Ethereum Development Fundamentals
8. Chapter 6: Fundamentals of Solidity 9. Chapter 7: Web3 API Fundamentals 10. Chapter 8: Developing Your Own Cryptocurrency 11. Part 3: Ethereum Development Fundamentals
12. Chapter 9: Smart Contract Development and Test Fundamentals 13. Chapter 10: Writing a Frontend to Build the NFT Marketplace DApp 14. Chapter 11: Ethereum Tools and Frameworks 15. Part 4:Production and Deployment
16. Chapter 12: Setting Up Ethereum Private Chain 17. Chapter 13: Deployment of Your DApps 18. Chapter 14: Building Ethereum Wallets 19. Chapter 15: Oracles, Technology, and Layer 2 in Practice 20. Part 5:Conclusion
21. Chapter 16: Conclusion 22. Index 23. Other Books You May Enjoy

Introducing Web3j – Web3 Java Ethereum DApp API

Web3j is an open source Java library for interacting with nodes on the Ethereum network. It abstracts the complexities of the Ethereum protocol. It provides a simple Java-based interface for accessing Ethereum clients, deploying smart contracts, sending Ethereum transactions, performing data queries, and handling smart contract events. Web3j is an excellent library for Ethereum Java developers with which to build DApps on the Ethereum platform.

This following section will use Web3j to build a Java application to deploy the Orders smart contract and interact with order functions.

Setting up a simple Spring Boot application

In this section, you will learn the process of setting up a simple Spring Boot application with Web3j integration. Spring Boot is a popular Java framework that simplifies the development of Java applications, and Web3j is a powerful library for interacting with the Ethereum blockchain using Java.

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