Examples of simple implementation of UDP and TCP in Java

TCP implementation

TCP protocol needs to establish a connection between both parties and exchange data through input and output streams. The establishment needs three handshakes and disconnection needs four waves to ensure the integrity of data, but the transmission efficiency will be reduced accordingly.

Simple TCP implementation

Improve the server and enable multithreading to receive data from the client

Transfer picture

UDP implementation

UDP is to send data as packets to the other party. It only concerns whether the transmission is successful, but does not care whether the reception is successful. It has fast transmission speed, but low reliability.

UDP code implementation

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