and i want you do make me understand the cod wath steps

You are required to implement a preprocessor in Java. Your preprocessor should be able to

perform the following tasks on an input file, which will be a Java source file:

Removing comments $(40$ points$)$

Example:

Input:

Output:

The output for this task should be written to a file.Identifying built$-$in language constructs $(30$ points$)$

Example:

Input:

Output:

import java.util.Scanner

public

class

String

Scanner

new Scanner$($

System.in$)$

System out.print.ln

nextLine

voidOutput:

Methods:

public void createCourses between lines $17-23$

public void print Courses$()$ between lines $24-32$

Loops:

for loop between lines $19-22$

for loop between lines $28-31$