Kafka message sending between producer and consumer

Broker Passing Messages Using Kafka • Apache Kafka is an open-source distributed event streaming platform used by thousands of compa- nies for high-performance data pipelines, streaming analytics, data integration, and mission-critical applications. https://kafka.apache.org/ https://kafka.apache.org/intro I want a functional program showing how 2 servers can interact with each other using kafka figure out how to run khafka on the command line. redirect that output to a .txt file and then read it from a C++ or java program or put-on