每个线程上的多线程服务器/新对象

In my project I have a server that handles multiple clients that connect to it. Each time a client is connected, a new "Guitar" is created, specific to that client on a new thread. Each "Guitar" is an array of 12 guitar strings, and when a key corresponding to a string is pressed in the client window, that guitar's string is plucked. In my project I have a server that handles mult