Go

Generate

protoc --go_out=plugins=grpc:go/proto awesome_service.proto

Execute

Server

cd go/server
go run main.go

Client

cd go/client
go run main.go

Java

Generate

protoc --java_out=java/src/main/java awesome_service.proto
protoc --plugin=protoc-gen-grpc-java=/usr/local/bin/protoc-gen-grpc-java --grpc-java_out=java/src/main/java  awesome_service.proto

Execute

Use NetBeans IDE