JAVATM- The Beginnings
A keyword is one of the words used to define the syntax of the Java programming language. The following are a few examples of Java keywords:
class public static void
An identifier is a valid name. Java defines the following rules for identifiers:
The following are examples of valid Java identifiers:
The following are examples of invalid Java identifiers:
1hello (identifier may not begin with a digit)
hello world (identifier may not contain whitespace)
hello;world (identifier may not contain punctuation)
Java is a case sensitive language: baby, BABY, and BaBy are three different identifiers.
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