Tokens

• it is the smallest unit of the programming language

1. keywords (50 + key words are there on java)
2. identifiers (
3. literals

keywords rules in java

• should always be in lower case

identifiers

• identifiers can not start with
• identifiers can not start symbols

literals

• literals is a value’s

variables

• two types of variables
• any variable which is declared inside a method block are any other block is know as variable

Class

• it is used to create a class block

structure

class{