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import gnu.io.CommPort;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;

import java.io.InputStream;
import java.io.OutputStream;

public class SerialCommunication {
    public static void main(String[] args) {
        try {
            // 鑾峰彇涓插彛鏍囪瘑绗?/span>
            CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier("COM1");

            // 鎵撳紑涓插彛骞惰缃€氫俊鍙傛暟
            CommPort commPort = portIdentifier.open("SerialCommunication", 2000);
            SerialPort serialPort = (SerialPort) commPort;
            serialPort.setSerialPortParams(9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

            // 鑾峰彇杈撳叆娴佸拰杈撳嚭娴?/span>
            InputStream inputStream = serialPort.getInputStream();
            OutputStream outputStream = serialPort.getOutputStream();

            // 鍚戜覆鍙ｅ彂閫佹暟鎹?/span>
            outputStream.write("Hello World".getBytes());

            // 浠庝覆鍙ｈ鍙栨暟鎹?/span>
            byte[] buffer = new byte[1024];
            int len = inputStream.read(buffer);
            String receivedData = new String(buffer, 0, len);
            System.out.println("Received data: " + receivedData);

            // 鍏抽棴涓插彛
            serialPort.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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