Java socket programming connect with client via TCP serverport and secret key is stored in server.config like this: serv

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Java socket programming connect with client via TCP
serverport and secret key is stored in server.config like
this:
server_port=8080
key=88
client send message like this
token:message
Server java compare message and do process if the message is
match
for example
token:quit = have "quit" statement and "token" is
right
server reply with
"closing session"
"done"
token come from user:pass:num1:num2 encoded in base64
num1 and num2 is stored in number.csv
num1,num2
1125684367,0787
9605347263,0808
user client can get token by send "num1:num2:request_token" to
server which server will reply with "token is: <token>"