Here is an example that allows the user to enter the last names of five candidates in a local election and the votes received by each candidate. The program will display the winner of the election with no of votes received.

import java.util.*;
import java.text.*;
class Candidate{

public String lname;
public int vote;

public Candidate(String lname,int vote) {
super();
this.lname = lname;
this.vote=vote;
}

public String getLname() {
return lname;
}
public int getVote(){
return vote;
}
}
class VoteComparator implements Comparator{
    public int compare(Object can1, Object can2){
        int v1 = ((Candidate)can1).getVote();        
        int v2 = ((Candidate)can2).getVote();

        if(v1 > v2)
            return 1;
        else if(v1 < v2)
            return -1;
        else
            return 0;    
    }
}

class VotesOfCandidates
{
    public static void main(String[] args) 
    {
        int total=0;

        List<Candidate> list = new ArrayList<Candidate>();
        Scanner input=new Scanner(System.in);
        for(int i=0;i<5;i++){
            System.out.print("Enter Last Name: ");
            String lname=input.next();

            System.out.print("Enter no of votes: ");
            int votes=input.nextInt();
            list.add(new Candidate(lname,votes));
            total+=votes;
        }
            DecimalFormat df=new DecimalFormat("##.##");
            System.out.println("Total votes: "+total);
            for(Candidate data: list){
            int v=data.getVote();

            double p=(double)v/total;
            double per=p*100;
            System.out.println(data.getLname()+"\t"+data.getVote()+"\t"+df.format(per));
        }
            int v=0;
               Collections.sort(list,new VoteComparator());
                for(Candidate data: list){
                v=data.getVote();
                } 
                String can="";
                System.out.println("Highest Vote is: "+v);
                for(Candidate data: list){
                    if(v==data.getVote()){
                        can=data.getLname();
                    }
                }
                System.out.println(can+" won the election with "+v+" votes");
       }
}