What are the role of Keywords in java?
Keywords are identifiers such as public, static and class in which have a special meaning inside Java source code and outside of comments and Strings. Four keywords are used within Hello World, public, static, void and class.
Keywords are reserved for their future use and cannot be used through the programmer for variable or techniques names.
There are fifty reserved keywords within Java 1.1, 51 in Java 1.2, 52 in Java 1.4, and 54 in Java 5. The forty-eight in which are in fact used in are listed below. Don't worry if the reasons of the keywords seem a little opaque at this point. They will all be explained within much greater detail later.