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- 2. Reading Files (40%) Create a class with a method that, given a string representing a file name, returns an integer with the number of characters in the file. For example, if the file has 10 characters, your method must return the number 10.Q.1. write program name. id, age. create create class students to a naving Pile "Student. +xt'" oetail and in append mode . write the open the data of students into frie and 어ead from Screey and display this file the file Pile. Lnto another COPY Content ofAttached Files: File Items.txt (119 B) Imagine we were creating a Textbased Adventure program and our Rooms in the assignment above could hold Items. We are not writing the complete game, but lets write a program that will build the Item.txt file. Create a new project. Add a class called Item that stores information about an item that can be placed in a room. An item has a name, a description and the room number in which the item is initially is stored. LAMP, a brightly shining lamp, 3 is an example of data that an Item might contain. Using the UML model below, create the private data members and methods for constructing an item. Create an ItemFileWriter class with a static method to write the items from the given ArrayList to a text file.. The items text file will hold the item name, item description and the initial room that the item is to be loaded into, on seperate lines followed by a blank line. An example of the file that is to be constructed is attached. Construct a…
- Introduction to Computer Systems Project 1 Due: February 09, 2023 by 5:00 PM Spring 2023 Introduction: xxd command in Linux creates a hex dump of a given file or standard input. It's simple. For example, suppose you have a text file 'test.txt' with contents as shown below: The isprint() function checks whether a character is a printable character or not. Check more information in: https://www.programiz.com/c-programming/library-function/ctype.h/isprint Here's how you can use xxd to convert the file contents into hex: $ xxd test.txt And here's the output: 00000000: 5468 6520 6973 7072 696e 7428 2920 6675 00000010: 6e63 7469 6f6e 2063 6865 636b 7320 7768 00000020: 6574 6865 7220 6120 6368 6172 6163 7465 00000030: 7220 6973 2061 2070 7269 6e74 6162 6c65 00000040: 2063 6861 7261 6374 6572 206f 7220 6e6f 00000050: 742e 0a43 6865 636b 206d 6f72 6520 696e 00000060: 666f 726d 6174 696f 6e20 696e 3a20 6874 00000070: 7470 733a 2f2f 7777 772e 7072 6f67 7261 00000080: 6d69 7a2e 636f 6d2f 632d 7072…**USING JAVA** Create a project named Chap4-BikeTracker, then create a class (program) named BikeTracker. Write a program that will use a while loop to read in data from a text file named "Bike.txt" and sum the miles biked each day. It will then compute the total miles the person biked and the average miles biked per day. Each line in the file "Bike.txt" contains a day-date, the number of miles biked that day. Study the program "FileSumNumbers" posted with this activity and use it as a guide. Here is the what the file "Bike.txt" should look like, we will create this text file together in class and save it in your project folder so your program can read it. (THIS IS ALREADY DONE, ADDED THE TXT FILE TO ECLIPSE FOLDER ALREADY) Sun-2/26 15 Mon-2/27 22 Tues-2/28 27 Wed-3/1 31 Thu-3/2 33 Fri-3/3 36 Sat-3/4 41 Hint: Your while loop should: read the dayDate and the numberOfMiles print each of these values to the screen sum the miles…JAVA (Baby name popularity ranking) The popularity ranking of baby names from the years 1960s to 2010 are stored in files named babynameranking_1960s.txt, babynameranking 1970s.txt,., babynameranking 2010s.txt (See the attached zip file). Each file contains two hundred lines. Each line contains a ranking, a boy's name, a number for the boy's name, a girl's name, and a number for the girl's name. For example, the first two lines in the file babynameranking_2010s.txt are as follows: 1 Noah 182,896 Emma 194,667 2 Liam 173,636 Olivia 184, 192 So, the boy's name Noah and the girl's name Emma are ranked #1 and the boy's name Liam and the girl's name Olivia are ranked #2. 182,896 boys are named Noah and 194,667 girls are named Emma in the 2010s. Write a program that prompts the user to enter the year, gender, and followed by a name, and displays the ranking of the name for the year. Example Run of it. Enter the year: 2010 Enter the gender: M Enter the name: John Boy name John is ranked #26 in…
- 58. In cryptograms, each character is encoded into another. If the text is long enough, one can, as a strategy, use the frequency of occurrence of each char- acter. The most frequently occurring character will likely be the code for an e, because e is the most frequently used letter of the English alphabet. Design a class that attempts to determine the relative frequency of each letter by reading a file and keeping track of the number of times each of the 26 English alphabet characters appears. Also provide methods, such as highestFrequencyCharacter and lowestFrequencyCharacter. Test your class with a client program.Q.1. write program to create Class students a naving Pile "Student. +xt'" oletail name. id. age. tappend create and in mode . write the open data frle and 어ead of students Ento the from Screey and display this Pile the file Pile. into another COPY content ofJAVA (Baby name popularity ranking) The popularity ranking of baby names from the years 1960s to 2010 are stored in files named babynameranking_1960s.txt, babynameranking_1970s.txt,…, babynameranking_2010s.txt (See the attached zip file). Each file contains two hundred lines. Each line contains a ranking, a boy’s name, a number for the boy’s name, a girl’s name, and a number for the girl’s name. For example, the first two lines in the file babynameranking_2010s.txt are as follows: 1 Noah 182,896 Emma 194,667 2 Liam 173,636 Olivia 184,192 · So, the boy’s name Noah and the girl’s name Emma are ranked #1 and the boy’s name Liam and the girl’s name Olivia are ranked #2. 182,896 boys are named Noah and 194,667 girls are named Emma in the 2010s. Write a program that prompts the user to enter the year, gender, and followed by a name, and displays the ranking of the name for the year.Example Run of it. Enter the year: 2010 Enter the gender: M Enter the…
- 09.Write a program that reads in a set of coin descriptions from a file. The input file has the format coinName1 coinValue1 coinName2 coinValue2 ...Add a method void read(Scanner in) throws FileNotFoundException to the Coin class of Section 7.2. Throw an exception if the current line is not properly formatted. Then implement a method static ArrayList<Coin> readFile(String filename) throws FileNotFoundException In the main method, call readFile. If an exception is thrown, give the user a chance to select another file. If you read all coins successfully, print the total value.Select the statement that is false regarding file guarding. Group of answer choices: In your .h files all code should be contained within the guards. It restricts the scope of a namespace, which prevents namespace pollution. If used properly it prevents redefinitions of classes/functions. It is an instruction to the preprocessor. It must make use of a unique identifier./*TASK 5. Implement part 1 of the report. You need to read data from input.txt file, store it into array of items (called items) and write it in a formatted form to the output file. Code, debug and present it in the best possible format. Hint: It might be helpful to format the String coming from toString( ) method using String.format( ) method, which works similar to System.out.prinf. Hint2: You might have to close and delete existing output .doc or .txt file from its folder * public class YourUserName_hw7 { static Item [ ] items = new Item [200];//an array of Items static EdibleItem [ ] edibleItems;//an array of Edible Items static int countEdibleitems = 0;//count edible items static String pageHeader; //save the header //main( ) method runs the program public static void main(String[ ] args) throws FileNotFoundException { double sum = 0, average = 0; //Optional - create a new input file //CreateInput.createInputFile( );…