Use reflection to call main method

call_main.java

    static boolean callMain(String className, String[] mainArgs) {
        try {
            Class cls = Class.forName(className);
            Class[] parameterTypes = new Class[1];
            parameterTypes[0] = String[].class;
            Method main = cls.getMethod("main", parameterTypes);
            Object[] args = new Object[] { mainArgs };
            main.invoke(null, args);
        } catch (Throwable e) {
            System.err.println(e);
            return false;
        }
        return true;
    }