I don't have CLASSPATH environmental variable, i want to set classpath specifically for this task. running java com.firstpackage.Test inside of Helloworld directory would not do the job and neither does the command java -classpath C:CustomersmatuagkeetarpIdeaProjectsHelloworldsrccominitial‌​bundle Check.java set classpath variable. Are you able to assist? This could be an IDE bug. https://deanzwjxn.p2blogs.com/35166488/getting-my-bongacams-to-work