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Question: 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:
A. java code for removing comments
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- I know how to swap two floating point number, but my professor asked me to. add security components so that the other files doesn't affect these variables. Your task is to swap two floating point integes without using temporary variables in java You have to take input from userHow to read to and from a text file in JAVA so the user can close the program and pick up where they left off when opening again.please use java language for coding java file - should start with your Last Name, Like SmithClubApp, PetrowskiTravelLogApp, for your class short paragraph should include- -description of the java file -what it does? -what is the input data? expected output, samples of both
- I know how to swap two floating point number, but my professor asked me to. add security components so that the other files doesn't affect these variables. Your task is to swap two floating point integers without using temporary variables in java You have to take input from userIn Java Suppose you are given a text file that contains the names of people. Every name inthe file consists of a first name and a last name. Unfortunately, the programmer thatcreated the file of names had a strange sense of humor and did not guarantee thateach name was on a single line of the file. Write a program that reads this file ofnames and writes them to the console, one name per line.For example, if the input file (Names.txt) contains:Bob Jones FredCharles EdMarstonJeffWilliamsThe output should be:Bob JonesFred CharlesEd MarstonJeff Williams Sample Output:Enter the name of the input file:Names.txtBob JonesFred CharlesEd MarstonJeff WilliamsFile processing completed.(Intro to Java) explain the answers to the below questions using step-by-step explanation. Assume you have a text file named in.txt with the following contents: All what-ifsAnd what can’t be,I cast them out;Now I am free. -Ms Moem Given Code: File file = new File("in.txt");Scanner input = new Scanner(file);int count = 1;while(input.hasNext()) {String str = input.next();System.out.println(count + ": " + str);count++;}input.close(); Given the code above, add some additional lines of code to write value of count to an output file named count.txt. And, run the code to verify you get the right output to receive full credit. Note that you must run this code without changing the first line of the starter code. File file = new File("in.txt");Scanner input = new Scanner(file);int count = 1;while(input.hasNext()) {String str = input.next();System.out.println(count + ": " + str);count++;}input.close();//Add your lines of code here!
- Write a program in Java to perform the following: Using a BufferedReader class and related objects, read a string object consists of 60 words plus some special characters and numbers. Include double space between some words. Include a few $ and % signs in your text. Store that text into a file using proper classes and methods. Call that file fileon.doc which will be your input file then read the contents of that file and perform the following operations using java available methods: Add a new line at the beginning of the text to include your name and the class name (csc 202) Find the length of you text Change the first character of each line to upper case . Find the number and location of all $ sign and re place it with a space. Delete all double spaces Calculate the number of special characters Find the number of lines in your text. Remember each line is terminated by a “.”, find the number of vowel in the last line Count the number of digits in your text. Append a new line consist…Write in Java Prompt the user for a title for data. Output the titleWrite a java program that will read a text file that displays a list of the largest US Cities and their 2019 population. The user will be prompted to enter a file name and your program will print a title (“City Population”) and the list of cities in the file. Use either Scanner or JOptionPane to query the user for the filename. (The file provided is named “USCities.txt”.) The output should appear as follows: Enter the filename: USCities.txt City Population New York City 8,336,817 Los Angeles 3,979,576 Chicago 2,693,976 Houston 2,320,268 Phoenix 1,680,992 Philadelphia 1,584,064 San Antonio 1,547,253 San Diego 1,423,851 Dallas 1,353,573 San Jose 1,021,795
- How can you read binary data from a file using an InputStream in Java?Write a java program to perform statistical analysis of scores for a class of students. The class may have up to 40 students.There are five quizzes during the term. Each student is identified by a four-digit student ID number. The program is to print the student scores and calculate and print the statistics for each quiz. The output is in the same order as the input; no sorting is needed. The input is to be read from a text file. The output from the program should be similar to the following: Here is some sample data (not to be used) for calculations: Stud Q1 Q2 Q3 Q4 Q5 1234 78 83 87 91 86 2134 67 77 84 82 79 1852 77 89 93 87 71 High Score 78 89 93 91 86 Low Score 67 77 84 82 71 Average 73.4 83.0 88.2 86.6 78.6 The program should print the lowest and highest scores for each quiz. Plan of Attack Learning Objectives You will apply the following topics in this assignment: File Input operations. Working and populating an array of objects. Wrapper Classes. Object…Consider the following Java classes. Assuming that all of these classes are in the same directory. What will be the output when TestClassC is compiled and run.