caver-java is a lightweight, high modular, convenient Java and Android library to interact with clients (nodes) on the Klaytn network: This library is an interface which allows Java applications to easily communicate with Klaytn network.
Features
Complete implementation of Klaytn’s JSON-RPC client API over HTTP and IPC
Klaytn 트랜잭션, 계정 및 계정 키 유형 지원
Auto-generation of Java smart contract wrapper to deploy and execute a smart contract from native Java code