i need help writing a program for a lexical analyzer. Topic of assignment: Lexic

ID: 670968 • Letter: I

Question

i need help writing a program for a lexical analyzer.

Topic of assignment: Lexical analyzer

Write Java programs for a lexical analyzer which can identify the following tokens:

1 INT_LIT: consists of digits

2 ID_CODE: starts with a letter followed by letters and digits, and has a limited length of 10

3 ASSIGN_CODE: =

4 PLUS_CODE: +

5 MINUS_CODE: -

6 DIVISON_CODE: /

7 MULTIP_CODE: *

Programs

You will design two classes: TestLexAnalyzer: contains main method which performs input/output operations.

LexAnalyzer: contains all the methods related to lexical analysis. Refer to the C programs in the text book for algorithm design.

Input: a string of assignment statement

Output: tokens of each lexeme.

A running example:

Input string:

num = num + x;

Output:

num ID_CODE

= ASSIGN_CODE

num ID_CODE

+ PLUS_CODE

x ID_CODE

i am not sure i tried:

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