Question & Answer: THIS PROGRAM NEEDS TO BE IN JAVA…..

Solution===============================================

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

class Candidate implements Comparable<Candidate>{
private String name;
private int stateWiseVotes[];
private int totalVotes;

public Candidate(String name,int numOfStates){
this.name=name;
stateWiseVotes=new int[numOfStates];
for(int i=0;i<numOfStates;i++){
stateWiseVotes[i]=0;
}
totalVotes=0;
}

public void calculateTotalVotes(){
for(int i=0;i<stateWiseVotes.length;i++){
totalVotes+=stateWiseVotes[i];
}
}

public void setVotesOfState(int votes, int stateId){
stateWiseVotes[stateId]=votes;
}

public void updateVotesOfState(int votes, int stateId){
stateWiseVotes[stateId]+=votes;
}

public boolean doWeHaveSameNames(Candidate c)
{
if(name.equals(c)){
return true;
}

return false;
}

public int compareNames(Candidate c){
return name.compareToIgnoreCase(c.name);
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public int[] getStateWiseVotes() {
return stateWiseVotes;
}

public void setStateWiseVotes(int[] stateWiseVotes) {
this.stateWiseVotes = stateWiseVotes;
}

public int getTotalVotes() {
return totalVotes;
}

public void setTotalVotes(int totalVotes) {
this.totalVotes = totalVotes;
}

@Override
public int compareTo(Candidate c) {
return compareNames(c);
}

}

class ElectionResult{

private Candidate candidates[];

public ElectionResult(String[] candidates, int numberOfStates){
this.candidates=new Candidate[candidates.length];
for(int i=0;i<candidates.length;i++){
Candidate candidate = new Candidate(candidates[i],numberOfStates);
this.candidates[i]=candidate;
}
}

void processResults() throws FileNotFoundException{
Scanner in = new Scanner(new File(“voteData.txt”));
while(in.hasNextLine()){

String data[] = in.nextLine().split(” “);
Candidate cand=candidates[getCandidateIndex(data[0].trim())];
int state=Integer.parseInt(data[1]);
int votes=Integer.parseInt(data[2]);

cand.updateVotesOfState(votes, state-1);
}

for(Candidate cand:candidates){
cand.calculateTotalVotes();
}

in.close();
}

public static void sortCandidates(Candidate[] list,int length){
Arrays.sort(list);
}

public int getCandidateIndex(Candidate[] list, int length,Candidate searchItem){
for(int i=0;i<length;i++){
if(list[i]==searchItem){
return i;
}
}
return -1;
}

public int getCandidateIndex(String searchItem){
for(int i=0;i<candidates.length;i++){
if(candidates[i].getName().equals(searchItem)){
return i;
}
}
return -1;
}

public void dispalyResults() {
System.out.println(“============Election Results================”);
System.out.print(“Name        “);
for(int i=0;i<4;i++){
System.out.print(“State#”+(i+1)+”    “);
}
System.out.println(“Total”);

sortCandidates(candidates,candidates.length);
int max=-1;
Candidate winner= new Candidate(“dummy”,4);

for(Candidate cand:candidates){
System.out.format(“%10s”,cand.getName());

for(int i=0;i<cand.getStateWiseVotes().length;i++){
System.out.format(“%10d”,cand.getStateWiseVotes()[i]);
}

System.out.format(“%10dn”,cand.getTotalVotes());
if(cand.getTotalVotes()>max){
max=cand.getTotalVotes();
winner=cand;
}
}
System.out.println(“nnWinner is: “+winner.getName()+” with Votes: “+winner.getTotalVotes());
}

}

public class ElectionDriver {

private ElectionResult processor;

public ElectionDriver(String[] candidates, int numberOfStates){
processor=new ElectionResult(candidates, numberOfStates);
}

void generateBogusElectionData(String[] candidates, int numOfStates, int dataSize) throws IOException{
Random rand = new Random();
FileWriter fw=new FileWriter(“voteData.txt”);

for(int i=0;i<dataSize;i++){
String candidate=candidates[rand.nextInt(candidates.length)];
int state=rand.nextInt(numOfStates)+1;

int votes = rand.nextInt(50);
String line = candidate+” “+state+” “+votes+”n”;
fw.append(line);
}

fw.close();
}

public void drive() throws Exception{
processor.processResults();
processor.dispalyResults();
}

public static void main(String[] args) throws Exception {
Scanner in = new Scanner(new File(“candData.txt”));
ArrayList<String> cands = new ArrayList<>();

while(in.hasNextLine()){
cands.add(in.nextLine().trim());
}
in.close();

String[] cds=new String[cands.size()];
for(int i=0;i<cands.size();i++){
cds[i]=cands.get(i);
}

ElectionDriver driver =new ElectionDriver(cds,4);
driver.generateBogusElectionData(cds, 4, 50);
driver.drive();
}

}

Output=============================================================