How to become proficient in Java?

If you want to become proficient in Java, you have several options. The most common route is to take a course in Java, either online or at a college or university. Because Java is such a common language, many students who study computer science learn Java as part of their coursework. If you are particularly motivated or more of a self-learner, you can buy a Java book. You can demonstrate your skills in Java by seeking advanced qualifications from Oracle, which administers numerous certifications for Java users.