9831066 Mohammad Mahdi Nemati

9831066_MohammadMahdi_Nemati_Haravani/Session4/Main.java

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+import java.util.*;
+
+
+public class Main {
+
+    /**
+     * this method print menu
+     */
+    public static void showMainMenu() {
+        System.out.println("[1] Add voting\n" +
+                "[2] Remove voting\n" +
+                "[3] See voting\n" +
+                "[4] All questions\n" +
+                "[5] Vote\n" +
+                "[6] See Voters\n" +
+                "[7] See Choices\n" +
+                "[8] Exit");
+    }
+
+    public static void main(String[] args) {
+
+        VotingSystem votingSystem = new VotingSystem();
+
+        System.out.println("Welcome to the voting system.");
+
+        Scanner scan = new Scanner(System.in);
+
+        ArrayList<String> choices = new ArrayList<>();
+        ArrayList<String> myChoices = new ArrayList<>();
+        String question;
+        String firstName;
+        String lastName;
+        int type;
+        int numberOfChoices;
+        int index;
+
+        while (true) {
+
+            showMainMenu();
+
+            int mainMenu = scan.nextInt();
+
+            choices.clear();
+            myChoices.clear();
+
+            switch (mainMenu) {
+                case 1:
+
+                    System.out.println("Write the question of voting:");
+                    scan.nextLine();
+                    question = scan.nextLine();
+
+                    do {
+                        System.out.println("Enter the type of voting ( 0 for single and 1 for multi ):");
+                        type = scan.nextInt();
+                    } while (type != 0 && type != 1);
+
+                    System.out.println("Enter the number of choices you want to add:");
+                    numberOfChoices = scan.nextInt();
+                    scan.nextLine();
+
+                    for (int i = 0; i < numberOfChoices; i++) {
+                        System.out.println("Enter your option:");
+                        String temp = scan.nextLine();
+                        choices.add(temp);
+                    }
+
+                    votingSystem.createVoting(question, type, choices);
+                    System.out.println("The voting added successfully.");
+
+                    break;
+                case 2:
+
+                    System.out.println("Enter the index of the voting:");
+                    index = scan.nextInt();
+                    votingSystem.removeVoting(index);
+
+                    break;
+                case 3:
+
+                    System.out.println("Enter the index of the voting:");
+                    index = scan.nextInt();
+                    votingSystem.printResult(index);
+
+                    break;
+                case 4:
+                    votingSystem.printListOfVotingQuestion();
+                    break;
+                case 5:
+
+                    System.out.println("Enter the index of the voting:");
+                    index = scan.nextInt();
+                    System.out.println("Enter Your first name:");
+
+                    scan.nextLine();
+                    firstName = scan.nextLine();
+                    System.out.println("Enter Your last name:");
+                    lastName = scan.nextLine();
+
+                    if (votingSystem.getType(index) == 0) {
+                        int choose;
+                        do {
+                            System.out.println("This is a single voting. Press 1 for random vote or 2 for importing vote.");
+                            choose = scan.nextInt();
+                        } while (choose != 1 && choose !=2);
+
+                        if (choose == 1) {
+                            myChoices.add(votingSystem.giveRandomVote(index));
+                        } else {
+                            System.out.println("Write the chosen option:");
+                            scan.nextLine();
+                            myChoices.add(scan.nextLine());
+                        }
+
+                    } else {
+
+                        System.out.println("This is a multi voting. Enter the number of options you want to chose:");
+                        numberOfChoices = scan.nextInt();
+
+                        scan.nextLine();
+                        for (int i = 0; i < numberOfChoices; i++) {
+                            System.out.println("Enter your option:");
+                            String temp = scan.nextLine();
+                            myChoices.add(temp);
+                        }
+                    }
+                    votingSystem.vote(index, new Person(firstName, lastName), myChoices);
+                    break;
+                case 6:
+                    index = scan.nextInt();
+                    votingSystem.seeVotersOfVoting(index);
+                    break;
+                case 7:
+                    index = scan.nextInt();
+                    votingSystem.printChoicesOfVoting(index);
+                    break;
+                case 8:
+                    break;
+                default:
+                    System.out.println("Invalid input.");
+                    break;
+            }
+            if (mainMenu == 8) {
+                System.out.println("Thanks for working with us.");
+                return;
+            }
+        }
+
+    }
+
+}

9831066_MohammadMahdi_Nemati_Haravani/Session4/Person.java

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+public class Person {
+
+    private String firstName;
+    private String lastName;
+
+    /**
+     * the class of person contains the information of a voter
+     * it keeps the voter name and last name and some method to
+     * access them
+     */
+    public Person (String firstName,String lastName){
+
+        this.firstName = firstName;
+        this.lastName = lastName;
+
+    }
+
+    /**
+     * the getter method for last name of voter
+     * @return the last name
+     */
+    public String getFirstName() {
+        return firstName;
+    }
+
+    /**
+     * the getter method for first name of voter
+     * @return the first name
+     */
+    public String getLastName() {
+        return lastName;
+    }
+
+    /**
+     * an override of toString method for voter
+     * information
+     * @return a single string as voter information
+     */
+    @Override
+    public String toString() {
+        return "Person : " + "First Name = " + getFirstName() + " , Last Name = " + getLastName();
+    }
+
+}

9831066_MohammadMahdi_Nemati_Haravani/Session4/Vote.java

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+import java.util.Date;
+
+public class Vote {
+
+    private Person personInformation;
+    private String dateOfVote;
+
+    /**
+     * the constructor of vote class
+     * @param person an instance of person class
+     */
+    public Vote (Person person){
+
+        personInformation = person;
+
+        JalaliCalendar jDate = new JalaliCalendar();
+        Date date = new Date();
+
+        dateOfVote = jDate.getYear()+"/"+jDate.getMonth()+"/"+jDate.getDay()+"  "+date.getHours()+":"+date.getMinutes()+":"+date.getSeconds() ;
+
+    }
+
+    /**
+     * simple getter method for getting the person
+     * @return instance of person class in this vote
+     */
+    public Person getPersonInformation() {
+        return personInformation;
+    }
+
+    /**
+     * simple getter method for getting the date
+     * of the vote
+     * @return vote date as a string
+     */
+    public String getDateOfVote() {
+        return dateOfVote;
+    }
+
+    /**
+     * the override hashcode for faster search
+     * @return the number in hashTable
+     */
+    @Override
+    public String toString(){
+        return personInformation.toString()+" "+dateOfVote;
+    }
+
+    /**
+     * and override of equals method for checking votes
+     * @param o the vote
+     * @return if it is new or not
+     */
+    @Override
+    public boolean equals(Object o) {
+
+        if (o == null) {
+            return false;
+        } else if (this == o) {
+            return true;
+        } else return personInformation.toString().equals(o.toString());
+
+    }
+
+}