Java Class
class Hello{
public static void main(String args[]){
System.out.println("Hello world!!!!");
System.exit(10);
}
}
Shell script
#!/bin/bash
java Hello
exitValue=$?
echo "Exit Code : " $exitValue
Output
Hello world!!!!
Exit code : 10
How to read java exit code
Same can be done from a windows bat file as follows..
echo off
java Hello
echo %ERRORLEVEL%