import java.util.ArrayList;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: hasker
 * Date: 11/7/13
 * Time: 10:11 AM
 * To change this template use File | Settings | File Templates.
 */
public class Roster {
    private ArrayList<String> names = new ArrayList<String>();

    public void readNames(String prompt) {
        System.out.print(prompt);
        names.clear();
        Scanner name_input = new Scanner(System.in);
        String next_name = name_input.next();
        while ( !next_name.equals("END")) {
            add(next_name);
            next_name = name_input.next();
        }
    }

    public void add(String new_name) {
        names.add(new_name);
    }

    public void printNames() {
        for(String nameFromList : names) {
            System.out.println(nameFromList);
        }
    }

    public int occurrencesOf(String target) {
        int count = 0;
         // note could use the for-each loop here as well
        for(int i = 0; i < names.size(); i++) {
            String someName = names.get(i);
            if ( someName.equals(target) )
                count++;
        }
        return count;
    }

    /**
     * Convert all names in the list so that the first letter is capitalized
     * and the remaining letters are in lower case. We recognize this is not
     * appropriate for all names, but the code is designed to illustrate
     * modifying the array.
     */
    public void convertNamesToProperCase()
    {
        for(int i = 0; i < names.size(); i++)
        {
            String myName = names.get(i);
            String result = "";
            if ( myName.length() > 0 )
                result += Character.toUpperCase(myName.charAt(0));
            for(int name_ix = 1; name_ix < myName.length(); name_ix++)
            {
                char asLower = Character.toLowerCase(myName.charAt(name_ix));
                result += asLower;
            }
            names.set(i, result);
        }
    }

    public boolean hasName(String target) {
        return names.contains(target);
    }
}