this a java program for ISP services. Calculates billing costs using .txt file to read and write-this is a java program for ISP services. Calculates billing costs using .txt file to read and write

分布式 spring-cloud eureka(Service discovery is like a chat room, where each user comes to the server to register, so that his friends can see you, and you will also get a list of friends on the line In micro service, the service is equivalent to the u