Select a JDK installation package based on your system
https://www.oracle.com/java/technologies/downloads/
Interface source code download
Click here
Select the appropriate path to run
java -jar "snmp3-0.0.1-SNAPSHOT(2).jar"
demo program Demo Click here
Enter IP 192.168.1.197 port 161 OID .1.3.6.1.4.1.532.2.1.1.1.3.2
Below is a demonstration of reading the device voltage