Tokens

1.       Tokens :

The smallest logical unit in java programming is called as “Lexeme”.

The collection of Lexemes come under a particular group called as token.

Ex:-

Q) Count the number of tokens and lexemes from the following instructions?

Ans):-

>>int a+b+c*d;

>>int, a, b, c, *,d, ;----à9 lexemes

>>int ---------àData type

>>a,b,c,d----àvariable

>>=,+,*,------àoperators

>> ;-----------àspecial symbol

---------------------------------------------------

Tokens -------à4 types of Tokens

--------------------------------------------------

In java, to prepare java applications, java has provided the following tokens

1.       Identifiers

2.       Literals

3.       Keywords/ Reserved Words

4.       Operators