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Download `arthas-demo.jar` and start with the `java -jar` command:
`wget https://arthas.aliyun.com/arthas-demo.jar
java -jar arthas-demo.jar`{{execute T1}}
`arthas-demo` is a very simple program that randomly generates integers, performs factorization, and prints the results.
If the generated random number is negative, a error message will be printed.
To make a contrast with using vmoption afterwards, now we use `Ctrl+c`{{execute interrupt}} and the program exit without printing any additional infomation.