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ParhamAhmadi-HW4 & HW5 #10

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Create ParhamAhmadi
parhamahmady Apr 22, 2020
0b71d35
ParhamAhmadi-Lab4 & Lab5
parhamahmady Apr 22, 2020
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306 changes: 306 additions & 0 deletions ParhamAhmadi/Lab4.java
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Original file line number Diff line number Diff line change
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import ir.huri.jcal.JalaliCalendar;

import java.util.*;

public class Lab4 {

}

/**
* VotingSystem
*
* this class manage all voting machines , make them and give their questions
* and options ,etc
*/
class VotingSystem {
private static ArrayList<Voting> votingMachines;// list of active VotingMachines

public static void main(String[] args) {
votingMachines = new ArrayList<Voting>();
makeVoteMachine();
vote();

}

/**
* make a voting machine
*/
private static void makeVoteMachine() {
Scanner fScanner = new Scanner(System.in);
System.out.println("Enter the name of Voting Machine :");// get the name of machine
String name = fScanner.next();
System.out.println("Tell me the Question :");
String qustion = fScanner.next();
String[] options = optionTaker();
System.out.println("People can choose more than 1 option or not ?(1=Yes,0=No)");
boolean multivote;
while (true) {// get the multivote situation
int temp = fScanner.nextInt();
if (temp == 0) {
multivote = false;
break;
}
if (temp == 1) {
multivote = true;
break;
}
System.out.println("That's not Valid");
}
Voting voting = new Voting(multivote, name, qustion, options);
votingMachines.add(voting);// add the maden machine to arraylist
}

/**
* get the options of a votingMachine
*/
private static String[] optionTaker() {
Scanner fScanner = new Scanner(System.in);
int i = 0;// number of options
while (true) {// get the number of the options
System.out.println("Please enter the number of the Options:");
i = fScanner.nextInt();
if (i >= 2) {
break;
}
System.out.println("at least you must tell me 2 options !");
}

String[] options = new String[i];
for (int j = 0; j < i; j++) {// get the options
System.out.printf("Enter the option number %d : ", j + 1);
options[j] = fScanner.next();
}
return options;
}

/**
* print all active voting machines
*/
private static void showMachines() {
Iterator<Voting> it = votingMachines.iterator();
int i = 1;// to show the index;
while (it.hasNext()) {// print all machines
System.out.println("[" + i + "] :" + it.next().getName());
i++;
}
}

private static void deleteMachine() {
Scanner fScanner = new Scanner(System.in);
showMachines();// print machines
int i = 0;// the index of machine
while (true) {// get the index
System.out.println("Enter the index of the Machine to delete it");
i = fScanner.nextInt();
if (i > 0 && i <= votingMachines.size()) {// check the entered number
break;
}
System.out.println("That's not vaild");
}
votingMachines.remove(i - 1);

}

private static void vote() {
Scanner fScanner = new Scanner(System.in);
showMachines();
int i = 0;// index of the machine
while (true) {// get the index and check it value
System.out.println("Please Choose one of Voting Machnes :");
i = fScanner.nextInt();
if (i > 0 && i <= votingMachines.size()) {
break;
}
System.out.println("That's not Valid");
}
Voting tempVoting = votingMachines.get(i - 1);
tempVoting.vote();
tempVoting.printResult();
}
}

/**
* This is a voting machine has a question and give some options to vote
*/
class Voting {
private boolean multivote;// type of Vote multi or single
private String name;// name of the voting
private HashMap<String, JalaliCalendar> voters;// name of people who vote
private String qustion;// the qustion of voting
private HashMap<String, Integer> options;// the options of the voting and its values
private int totalVote;

/**
* Counstructor
*
* @param multivote
* @param name
* @param qustion
* @param options
*/
public Voting(boolean multivote, String name, String qustion, String... options) {
this.multivote = multivote;
this.name = name;
this.qustion = qustion;
totalVote = 0;
voters = new HashMap<String, JalaliCalendar>();
this.options = new HashMap<String, Integer>();
for (int i = 0; i < options.length; i++) {

this.options.put(options[i], 0);

}
}

/**
* the method to vote
*/
public void vote() {
Scanner fScanner = new Scanner(System.in);

System.out.println("Please Enter Your name");
if (!voterCheck(fScanner.next())) {// get the name and check the name
return;
}
System.out.println(qustion + " ?");// print the question
String[] optionStrings = showOptions();// print the options
if (multivote) {
System.out.println("You can Choose more than 1 option.");
int i = 0;
int n=0;//times of vote
int[] choise = new int[options.size()];
do {
n++;//add to time of voting
while (true) {
System.out.println("Enter the index of the option (-1=End,0=Random)");
i = fScanner.nextInt();
if (i < -1 || i > options.size()) {
System.out.println("That's not Valid");
continue;
}
break;
}
if (i == -1) {
System.out.println("That's Ok");

} else if (i == 0) {// Random
for (int j = 0; j < choise.length; j++) {
choise[randomVote(choise)]++;
}
break;

} else {
choise[i - 1]++;
}

} while (i != -1 && n<options.size());
for (int j = 0; j < choise.length; j++) {
if (choise[j] != 0) {

options.put(optionStrings[j], options.get(optionStrings[j]) + 1);
}
}
} else {

int i;
while (true) {// get the i
System.out.println("Enter the index of the option (0=Random)");
i = fScanner.nextInt();
if (i >= 0 && i <= options.size()) {
break;
}
System.out.println("That's not Valid");
}
if (i == 0) {// random
Random random = new Random();
options.put(optionStrings[random.nextInt(options.size())],
options.get(optionStrings[random.nextInt(options.size())]) + 1);

} else {
options.put(optionStrings[i - 1], options.get(optionStrings[i - 1]) + 1);
}
}
JalaliCalendar currentTime=new JalaliCalendar(new GregorianCalendar());
voters.put(name,currentTime );
}

public void printResult() {
Set<String> names = options.keySet();
Iterator<String> it = names.iterator();
while (it.hasNext()) {
String temp = it.next();
System.out.println(temp + " : " + options.get(temp));
}
}

/**
* make random vote
*
* @return the index of option
*/
private int randomVote(int... choise) {
Random random = new Random();
int i;
while (true) {
i = random.nextInt(options.size());
if (choise[i] != 0) {
continue;
}
break;
}
return i;
}

/**
* check the voter in voters arrayList
*
* @return true if the voter Could Vote
*/
private boolean voterCheck(String name) {
Set<String> voterNames=voters.keySet();
Iterator<String> it = voterNames.iterator();
while (it.hasNext()) {
if (it.next().equals(name)) {
System.out.println("You Voted Before !");
return false;
}
}
return true;
}

/**
* This method print all options for the Voter and put options in order ;
*
* @return options in order
*/
private String[] showOptions() {
String[] optionName = new String[options.size()];
Set<String> names = options.keySet();
Iterator<String> it = names.iterator();
int i = 0;
while (it.hasNext()) {
String temp = it.next();
System.out.printf("[%d] %s\n", i + 1, temp);
optionName[i] = temp;
i++;
}

return optionName;
}

public String getName() {
return name;
}

public HashMap<String,JalaliCalendar> getVoters() {
return voters;
}

public int getTotalVote() {
return totalVote;
}

public HashMap<String, Integer> getOptions() {
return options;
}
}
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