Question

Hi there,
I am just having a hard time trying to do this code.
Question is: from the given file display all the departments that don't have space. Make the output in alphabetical order.
Code is supposed to be in JAVA

********workplace.txt********

firstname   lastname   department
Peggie MacGeffen  Legal
Katina Ronci  Training
Anna-maria Allmen Legal
Deana  Fontes Product Management
Winny  Bentson    Services
Mace   Bellard    Training
Ulrica Gaythwaite Product Management
Dillie McGovern   Engineering
Ana    Bakeup Marketing
Pepi   Hancill    Human Resources
Jacky  Maasz  Accounting
Oona   Gullen Sales
Pippy  Millis Support
Toby   Gagg   Product Management
Man    Perrycost  Services
Rodolphe   Wootton    Accounting
Marvin Sidney Legal
Beau   Kedslie    Support
Archaimbaud    Wayon  Training
Jakob  Meynell    Services
Tiena  Murrum Engineering
Arther Morrant    Legal
Lana   Deer   Human Resources
Wynne  Nevill Research and Development
Benedicto  Hughf  Product Management
Urbanus    Nardoni    Engineering
Cybill Mulbry Support
Honey  Marlen Human Resources
Claude Brunn  Business Development
Symon  Wardingly  Research and Development
Glendon    Jakucewicz Support
Lauren Hollows    Support
Jamima Wilshere   Support
Debor  Everett    Sales
Sutherland Paulich    Business Development
Imojean    Gerhartz   Sales
Edita  Laurens    Services
Jason  Caesmans   Human Resources
Leeann MacNeillie Research and Development
Gwenni Foyster    Support
Nata   Fargie Product Management
Tierney    Dummigan   Services
Codie  Hinz   Human Resources
Jaymie Bellon Legal
Carla  Cruden Engineering
Addy   Bodsworth  Sales
Gina   Kleinholz  Business Development
Mathian    Dabel  Product Management
Sadella    Kemmis Legal
Zak    Adame  Support
Demetre    Laffoley-Lane  Marketing
Claiborne  Almeida    Sales
Alain  Ingerson   Services
Philippine Grinyer    Accounting
Margaret   Shurrocks  Accounting
Gus    Gately Support
Janek  Kornyakov  Business Development
Barbaraanne    Gallienne  Support
Kanya  Norway Product Management
Madelin    Hugnet Marketing
Margareta  Kenner Product Management
Remington  McPeck Human Resources
Ronni  Defries    Services
Tuesday    Baudoux    Engineering
Madelaine  Bartusek   Engineering
Juliane    Ganniclifft    Business Development
Myrna  Pidduck    Human Resources
Tull   Lovel  Legal
Jacynth    Sharnock   Training
Astra  Puller Legal
Artair Ruck   Services
Janot  Hardinge   Product Management
Mackenzie  Berrecloth Accounting
Angelle    Thorald    Marketing
Jorrie Ruppert    Sales
Kori   Hubbucke   Business Development
Tildy  Swanton    Services
Janifer    Birdsall   Research and Development
Fanya  Bresnahan  Services
Brenda Aitken Legal
Farrel Habron Human Resources
Farley Pacey  Marketing
Sarina Pagen  Sales
Emmery Snoad  Product Management
Blinnie    Warriner   Research and Development
Lemar  Willard    Research and Development
Carena Littlekit  Research and Development
Kathryn    Taks   Support
Galvin Roncelli   Support
Ingeberg   Storrie    Accounting
Madonna    Fallens    Research and Development
Shannen    Matiewe    Product Management
Tobe   Stanion    Marketing
May    Hamber Legal
Nickola    Wernham    Product Management
Cherianne  Luesley    Sales
Lucas  Baumer Support
Bobina Boult  Research and Development
Kermit Gebuhr Human Resources
Nonah  Lafoy  Engineering
Andrej Beagrie    Services
Florella   Hollows    Human Resources
Beulah Burley Research and Development
Ralf   Chamberlaine   Sales
Terencio   Mullard    Legal
Rubie  Horrod Research and Development
Stu    Prester    Business Development
Salomone   Coldman    Marketing
Cecilia    Scotsbrook Marketing
Korey  Aire   Training
Darsey Lettsom    Business Development
Luis   Kleinholz  Marketing
Ninette    Foyston    Support

***There was more to this .txt file but all of it doesn't fit**

********My Code********

import java.io.*;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

public class Departments
{

  public static void main(String[] args) throws IOException {

    File file = new File("workplace.txt");
    Scanner fileReader = new Scanner(file);
    fileReader.nextLine();
    Set<String> data = new TreeSet<>();

    String firstName;
    String lastName;
    String departments;
    String line = " ";

    System.out.println(data);
  }
}

*********Required Output*******

Accounting\n
Engineering\n
Legal\n
Marketing\n
Sales\n
Services\n
Support\n
Training\n

Answer 1

JAVA CODE

Text Code

import java.io.*;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

public class Departments
{

    public static void main(String[] args) throws IOException {

        File file = new File("workplace.txt");
        Scanner fileReader = new Scanner(file);
        String headerLine = fileReader.nextLine();

        //Note here TreeSet is defined which stores the values in natural sorting order
        //For Strings natural sorting order is alphabetical
        Set<String> data = new TreeSet<>();

        String firstName;
        String lastName;
        String departments;
        String line = " ";

        //reading the line one by one
        while(fileReader.hasNextLine()) {

            line = fileReader.nextLine();

            //Split line on space
            String[] values = line.split("\\s+");
            //If there are more than 3 values in the splitted array then it is sure that
            //department name has atleast one space
            if (values.length == 3) {

                //3rd value is of the department
                //Since array starts from 0 3rd value is at index 2
                String department = values[2];

                //inserting the value in the set
                data.add(department);
            }
        }

        //iterating in the set
        //and since values are stored in sorted manner in tree set
        //output will be sorted as well
        for (String ss : data) {
            System.out.println(ss);
        }

        //Below line is to print all the departments in one line
        //Uncomment it if required
        //System.out.println(data);
    }
}

INPUT

AS given in the question

OUTPUT

Please comment for any further assistance