Write a statement that defines a file stream object named places. The object will be used for both output and input.
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Write a statement that defines a file stream object named places. The object will be used for both output and input.
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- Class Files (package java.nio.file) is one of many classes throughout the Java APIs that have been enhanced to support Streams. State whether the statement is true or false. If false, explain why.Before using the ReadLine function on a StreamReader object, it's important to make sure the property's value isn't set to "true" (meaning the object has reached the end of its stream).As a precaution, before using ReadLine on a StreamReader object, you should examine its EndOfStream attribute.
- (C#)Assume inputFile references a StreamReader object that is associated with a file that is already open. Which statement can read all the items in the file without knowing how many items the file contains? Question 9 options: while (!inputFile.EndOfStream) { } while (inputFile.EndOfStream) { } while (inputFile != EndOFStream) { } while (inputFile == EndOfStream) { }(C#)The following statement declares a StreamReader object variable called "inputFile". Which statement opens a file named "data.txt" to the StreamReader object?StreamReader inputFile; Question 10 options: inputFile = open("data.txt"); inputFile = OpenFile("data.txt"); inputFile = File.OpenFile("Data.txt"); inputFile = File.OpenText("Data.txt");Assume inputFile references a StreamReader object that is associated with an open file. Which of the following loops is written in the correct general format to read all of the items from the file? Loop A: while (inputFile.EndOfStream) { // Read an item from the file. } Loop B: while (!inputFile.EndOfStream) { // Read an item from the file. }
- OCaml Code: Attached are images of the instructions. Below is the skeleton code that must be used to produce the example output. Make sure to use the skeleton code to add all the functions needed that is mentioned in the instructions attached. Make sure to attach screenshots of the code and output. I need to make sure the code works. streams.ml type 'a str = Cons of 'a * ('a stream) | Niland 'a stream = unit -> 'a str exception Subscriptexception Empty let head (s :'a stream) : 'a = match s () with Cons (hd,tl) -> hd | Nil -> raise Empty let tail (s :'a stream) : 'a stream = match s () with Cons (hd,tl) -> tl | Nil -> raise Empty let null (s : 'a stream) = match s () with Nil -> true | _ -> false let rec take (n: int) (s: 'a stream) : 'a list = match n with n when n > 0 -> head s :: take (n - 1) (tail s) | 0 -> [] | _ -> raise Subscript let rec nth (n: int) (s: 'a stream) : 'a = match n with n…The ReadLine method of a StreamReader object shouldn't be called until the EndOfStream property has been checked.Describe scenarios where you might need to wrap an InputStream with other stream types, such as DataInputStream or BufferedInputStream.
- Why should you check the value of a StreamReader object’s EndOfStream property before calling the ReadLine method?Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20. The program performs the following tasks: Read the file name of the tsv file from the user. Open the tsv file and read the student information. Compute the average exam score of each student. Assign a letter grade to each student based on the average exam score in the following scale: A: 90 =< x B: 80 =< x < 90 C: 70 =< x < 80 D: 60 =< x < 70 F: x < 60 Compute the average of each exam. Output the last names, first names, exam scores, and letter grades of the students into a text file named report.txt. Output one student per row and…Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20. The program performs the following tasks: Read the file name of the tsv file from the user.Open the tsv file and read the student information.Compute the average exam score of each student.Assign a letter grade to each student based on the average exam score in the following scale:A: 90 =< xB: 80 =< x < 90C: 70 =< x < 80D: 60 =< x < 70F: x < 60Compute the average of each exam.Output the last names, first names, exam scores, and letter grades of the students into a text file named report.txt. Output one student per row and separate the…