What department does the java development engineer belong to?

Software product programming department, involving java development, using java engineers. ?

Since the advent of 1995, Java has become the most widely used development language in the world with its excellent universality, high efficiency, platform portability and security. Even after more than ten years of development, it is still an "evergreen tree" in the industry. Java software engineer refers to the person who uses Java as the development language to complete the software program design, development, testing, maintenance and upgrade of software products.