When using hasNext() on a Scanner, how do we know when the end of file has been reached? O hasNext 0 throws an EOFException O Scannero throws an EOFExccption O hasNext ) retums a null O hasNext retums a false
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- How can data be written to the end of a text file? A. By setting the mode parameter in the open statement to "w". B. By using the append() method. C. By using the writeAppend() command. D. By setting the mode parameter in the open statement to "a". Lines read from a text file A. are written as they are read. B. are deleted from the file as they are read. C. include trailing line breaks. D. are superfluous. How can a file be opened for writing? A. A file can be opened for writing by using the openWrite() command. B. A file can be opened for writing by using the writeOpen() command. C. A file can be opened for writing by including a mode parameter set to "a" or "w" in the open() command. D. A file can be opened for writing by omitting the mode parameter in the open() command. What happens if you write lines of text to a file without including the line breaks? A. Python automatically adds a line break to each line. B. The file will consist of a single…Write a program that: Opens a file named foofoo.txt Write the phrase, Hi All! Then writes the odd numbers from 1 – 1000 Then writes Goodbye Closes correctly Make sure that each write is on its own lineWhich of the following opens the employ.txt file and allows the computer to write new data to the end of the files existing data? a. outFile = I0.File.AddText("employ.txt") b. outFile = I0.File.AppendText("employ.txt") c. outFile = I0.File.InsertText("employ.txt") d. outFile = I0.File.WriteText("employ.txt")
- Write a program that allows the user to enter name and phone number. Have the program accept input until ZZZ is entered for name. Output each record that contains name and phone number to a file called directory.txt. Write a program that will read the above directory.txt file and print its content on screen.Assume that the output.txt file contains: First Line Given the following snippet of code: File output = new File("output.txt"); try { Files.writeString(output.toPath(), "Second Line", StandardOpenOption.CREATE); Files.writeString(output.toPath(), "Third Line", StandardOpenOption.CREATE, StandardOpenOption.APPEND); } catch(IOException ex) { System.out.println("Error: " + ex.getMessage()); } What would output.txt contain? Second Line Third Line First Line First Line Second Line Third Line Third Line. Which of the following options can be used to read the first line of a text file "Myfile.txt"? a. myfile = open('Myfile.txt'); print(myfile.read(line)) b. myfile = open('Myfile.txt','r'); print(myfile.read(1)) c. myfile = open('Myfile.txt'); print(myfile.readline()) d. myfile = open('Myfile.txt'); print(myfile.readlines())
- Write a program that allows the user to enter name and phone number. Have the program accept input until ZZZ is entered for name. Output each record that contains name and phone number to a file called directory.txt.Write a program that takes a filename as input from the user and looks for lines of the form and extract the number from each of the lines using a regular expression. Compute the average of the numbers and print out the average as an integer. Example: Enter filename: mbox.txt38549Is it possible to list all the files with specific extensions (e.g., .txt) thatbelong to a certain user)? If no, please explain. If yes, please list all the .txt files on the home directory of user ‘alice’ that belong to the user alice,please provide the command code if yes.
- you will need to create the following textbook specified files. Use vi to create these files: test-file1 test-file2 test-file3 test-g test-sor respected test-u west coast alpha1 alpha2 practice caffeine names.tmp numbers.tmp From more, how can you quickly start editing the current file with vi?Describe the mode that each of the following statements causes a file to beopened in.fi l e .open("in fo .dat ", io s: :infile.open("info.dat", io s: :infile.open("info.dat", io s: :infile.open("info.dat", io s: :inios: :out);ios::app);ios: :out I ios: :a te );ios::out I ios::binary);Write a utility program that combines the files together into anew file using the following command:java Exercise17_12 SourceFile1 . . . SourceFilen TargetFileThe command combines SourceFile1, . . . , and SourceFilen into TargetFile.