Explain in your own words when writing data to a file, what is the difference between the print and the println methods? Explain in your own words what does the Scanner class’s hasNext method return when the end of the file has been reached?
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Explain in your own words when writing data to a file, what is the difference between the print and the println methods?
Explain in your own words what does the Scanner class’s hasNext method return when the end of the file has been reached?
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- Explain in your own words what does the Scanner class’s hasNext method return when the end of the file has been reached?Explain in your own words: a.) When writing data to a file, what is the difference between the print and the println methods? b.) What does the Scanner class’s hasNext method return when the end of the file has been reached?Instructions The history teacher at your school needs help in grading a True/False test. The students’ IDs and test answers are stored in a file. The first entry in the file contains answers to the test in the form:TFFTFFTTTTFFTFTFTFTTEvery other entry in the file is the student ID, followed by a blank, followed by the student’s responses. For example, the entry:ABC54301 TFTFTFTT TFTFTFFTTFTindicates that the student ID is ABC54301 and the answer to question 1 is True, the answer to question 2 is False, and so on. This student did not answer question 9. The exam has 20 questions, and the class has more than 150 students. Each correct answer is awarded two points, each wrong answer gets one point deducted, and no answer gets zero points. Write a program that processes the test data. The output should be the student’s ID, followed by the answers, followed by the test score, followed by the test grade. Assume the following grade scale:90%–100%, A; 80%–89.99%, B; 70%–79.99%, C; 60%–69.99%,…
- Instructions The history teacher at your school needs help in grading a True/False test. The students’ IDs and test answers are stored in a file. The first entry in the file contains answers to the test in the form:TFFTFFTTTTFFTFTFTFTTEvery other entry in the file is the student ID, followed by a blank, followed by the student’s responses. For example, the entry:ABC54301 TFTFTFTT TFTFTFFTTFTindicates that the student ID is ABC54301 and the answer to question 1 is True, the answer to question 2 is False, and so on. This student did not answer question 9. The exam has 20 questions, and the class has more than 150 students. Each correct answer is awarded two points, each wrong answer gets one point deducted, and no answer gets zero points. Write a program in C++ that processes the test data. The output should be the student’s ID, followed by the answers, followed by the test score, followed by the test grade. Assume the following grade scale:90%–100%, A; 80%–89.99%, B; 70%–79.99%, C;…Your ReadRoomFile program reads a room file. Is it possible to tell how many rooms are in the file from the file size? Explain why or why not?The history teacher at your school needs help in grading a True/False test. The students’ IDs and test answers are stored in a file. The first entry in the file contains answers to the test in the form:TFFTFFTTTTFFTFTFTFTTEvery other entry in the file is the student ID, followed by a blank, followed by the student’s responses. For example, the entry:ABC54301 TFTFTFTT TFTFTFFTTFTindicates that the student ID is ABC54301 and the answer to question 1 is True, the answer to question 2 is False, and so on. This student did not answer question 9. The exam has 20 questions, and the class has more than 150 students. Each correct answer is awarded two points, each wrong answer gets one point deducted, and no answer gets zero points. Write a program that processes the test data. The output should be the student’s ID, followed by the answers, followed by the test score, followed by the test grade. Assume the following grade scale:90%–100%, A; 80%–89.99%, B; 70%–79.99%, C; 60%–69.99%, D; and…
- Is it true or false? The read position advances forwards, towards the end of the file, as things are read from it.Write a complete java program that: asks the user for a file name tests whether the file exists and tells the user if it does exist asks the user whether it should be deleted. Either delete or do not delete the file based on the user input. If they don't delete, ask them if they would like to write to the file If they want to write, ask what they want to write to the file and write it. Make sure to provide plenty of console output dialog specifying what status/actions are taken at each step.If you're writing output to a binary file, what classes do you use to do this? What classes do you use to read data from a binary file and how do you do it?
- The problem is the following : Write a program that asks the user for the name of a file. The program should display the contents of the file with each line preceded with a line number followed by a colon. The line numbering should start at 1. Please edit this scanner to JOptionPane. I don't really know how to do that. //Java Program by Yuiri Fujita and Darrick Drewry 10/30/2020 import java.util.Scanner;import java.io.*; public class LineNumbers { public static void main(String[] args) throws IOException {// TODO Auto-generated method stubScanner input = new Scanner(System.in);String userFileName;System.out.println("Please enter the name of the file.( Enter LineNumbers.txt)");userFileName = input.nextLine();File file = new File( userFileName);while( !file.exists() ){System.out.println( userFileName + " does not exist. Please enter a different file name");userFileName = input.nextLine();file = new File ( userFileName);}Scanner fileToScan = new Scanner (file);String line;int counter =…First, take your program and add one more feature: at the end, just before you close the file, write the word “END” all by itself on a line. Run that program once to create a file of items with “END”. Instead of reading from cin and writing to a file, you read from your file and write to cout. The only tricky part is deciding when to stop reading. In your previous code, you stopped reading when the user said they didn’t want to continue. For the new code, keep reading until you read “END” for the name of the produce. You can use “==” on strings, so if (product name == ”END”) will tell you that you can stop reading. My code: #include<iostream>#include<string.h>#include<fstream>using namespace std; int main(){ string filename; cout<<"Enter the name of the file to store the information"<<endl; getline(cin,filename); ofstream fileptr(filename.c_str()); if(!fileptr.is_open()) { cout<<"Couldn't open a file"<<endl; }…We will need to use a variety of Character class and String class methods to validate the data and separate it in order to process it. We will also use a Characterclass method to allow the user to continue the program if desired. The String class’s split method will allow us to process the tokens in a text file in order to decode a secret message. We will use the first letter of every 5th token read in from a file to reveal the secret message. Task #2 String.split and the StringBuilder Class 1. Copy the file secret.txt (Code Listing 9.3) from the Student Files or as directed byyour instructor. This file is only one line long. It contains 2 sentences.2. Write a main method that will read the file secret.txt, separate it into wordtokens.3. You should process the tokens by taking the first letter of every fifth word,starting with the first word in the file. Convert these letters to uppercase andappend them to a StringBuilder object to form a word which will be printedto the console to…