Only knowing the language you were required to know to pass a bunch of tests when you were 18 is a negative signal. If someone is interviewing and they only ha

Only knowing the language you were required to know to pass a bunch of tests when you were 18 is a negative signal. If someone is interviewing and they only have Java listed, and their school is known for teaching Java for their introductory classes. They're probably not that strong of a programmer.