The Java SDK for interacting with Hedera Hashgraph: the official distributed consensus platform built using the hashgraph consensus algorithm for fast, fair and secure transactions. Hedera enables and empowers developers to build an entirely new class of decentralized applications.
NOTE: v1 of the SDK is deprecated and support was discontinued after October 2021. Please install the latest version 2.x.x or migrate from v1 to the latest 2.x.x version. You can reference the migration documentation.
The Java application quickstart guide covers how to properly set up the dependencies needed to start developing your Java project using the Hedera™ Java SDK.
The Android application quickstart guide covers how to properly set up the dependencies needed to start developing your Android project using the Hedera™ Java SDK.
This repository includes Java examples and an Android example that showcase different use cases and workflows.
The developer quickstart guide provides instructions on how to set up the environment, run unit and integration tests, and configure the project to work with different networks such as the Hedera test network, preview network, etc.
If you have a question on how to use the product, please see our support guide.
We welcome participation from all developers!
For instructions on how to contribute to this repo, please
review the Contributing Guide.
More instructions for contribution can be found in the Global Contributing Guide.
This project is governed by the Contributor Covenant Code of Conduct. By participating, you are expected to uphold this code of conduct.