brew tap web3j/web3jbrew install web3jneo@MacBook-Pro ~ % web3j              _      _____ _     _                     | |    |____ (_)   (_)       __      _____| |__      / /_     _   ___  \ \ /\ / / _ \ '_ \     \ \ |   | | / _ \  \ V  V /  __/ |_) |.___/ / | _ | || (_) |  \_/\_/ \___|_.__/ \____/| |(_)|_| \___/                          _/ |                                     |__/              Usage: web3j version|wallet|solidity ...