Question: Also, Please explain the program step by step: Write a lexical analyzer program to scan a Simple Java program (input file) and recognize reserve words

Also, Please explain the program step by step:

Also, Please explain the program step by step: Write a lexical analyzer

Write a lexical analyzer program to scan a Simple Java program (input file) and recognize reserve words of the language, assignment statements, if-else statements, loops, etc. The program should identify the lexemes, identify their respective tokens and produce a table of lexemes and tokens Required: 1. A complete progranm 2. Test runs (run your program and print the results)

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