Java is a general-purpose, competitive, class-based, and object-oriented programming language that emerged in 1995. Even though many more languages have appeared since then, Java remains one of the most popular languages, and the demand for java application development is only rising. The key features of Java are its simplicity and that it was meant to have as few implementation dependencies as possible. Java is being continuously upgraded via new versions, and its security and performance levels are steadily enhanced. Java powers numerous digital platforms and applications. Many of the emerging innovative products choose Java because it is considered to be one of the most reliable solutions.