I haven't got CLASSPATH environmental variable, i want to set classpath specifically for this task. jogging java com.firstpackage.Test inside of Helloworld directory doesn't work and neither does the command java -classpath C:CustomersmatuagkeetarpIdeaProjectsHelloworldsrccom1st‌​offer Take a look at.java established classpath variable. Can you enable? Help asks to verify their ID fol... https://arthurjphcz.tinyblogging.com/bongacam-couples-no-further-a-mystery-80169389