Regiments

Army.java

import java.util.ArrayList;
import java.util.Iterator;

public class Army {
	ArrayList<Regiment> army;
	
	Army(){
		army = new ArrayList<Regiment>(20);
	}
	
	public void addRegiment(Regiment r){
		army.add(r);
	}
	
	public void updateList(int index, int men){
		Regiment temp = army.get(index);
		temp.addStrength(men);
	}
	
	public void printReport(int week){
		int biggest = findBiggest();
		Iterator<Regiment> iterator = army.listIterator();
		System.out.printf("Week Number %d\n%-7s%-20s%-15s\n", week,"Reg #", "Name", "Strength");
		while(iterator.hasNext()){
			Regiment temp = iterator.next();
			System.out.printf("%-7d%-20s%-15d", temp.getRegnum(), temp.getName(), temp.getStrength());
			if(biggest == temp.getRegnum()-1){
				temp.deploy();
				System.out.println("\tDeployed this week");
			} else {
				System.out.print("\n");
			}
		}
		System.out.println();
	}
	
	public int findBiggest(){
		int num = 0;
		int biggest = 0;
		for(int i = 0; i < army.size(); i++){
			if(army.get(i).getStrength() > num){
				num = army.get(i).getStrength();
				biggest = i;
			}
		}
		return biggest;
	}
	
	public void addStrength(){
		for(Regiment r : army){
			if(r.getRegnum() == 5){
				r.addStrength(30);
			} else {
				r.addStrength(100);
			}
		}
	}
}

Regiment.java

public class Regiment {
	private int regnum; //Regiment Number
	private String name; 
	private int strength; //number of men
	
	Regiment(int r, String s, int str){
		regnum = r;
		name = s;
		strength = str;
	}
	
	void addStrength(int men){
		strength += men;
	}

	public int getRegnum() {
		return regnum;
	}

	public String getName() {
		return name;
	}

	public int getStrength() {
		return strength;
	}
	
	public void deploy(){
		strength = 0;
	}
}

Regiments.txt

1 Aardvarks
2 Begonias
3 Chrysanthemums
4 Dhalias
5 Elephants
6 Ferrets
7 GilaMonsters
8 Hyraxes
9 Ibex
10 Jackyls
11 KimodoDragons
12 Lemurs
13 Marigolds
14 Nonames
15 Opossums
16 Porcupines
17 Quahogs
18 Rhododendrons
19 Swordfish
20 Tapirs

Test.java

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Scanner;


public class Test {
	FileInputStream input;
	
	public static void main(String[] args){
		int week;
		int men = 1000;
		Army army = new Army();
		try {
			Scanner scan = new Scanner(new File("regiments.txt"));
			while(scan.hasNextLine()){
				String line[] = scan.nextLine().split(" ");
				Regiment r = new Regiment(Integer.valueOf(line[0]),line[1],men);
				army.addRegiment(r);
				men -= 50;
			}
		} catch (FileNotFoundException e) {
			System.out.println("Error opening file...");
			System.exit(0);
		}
		
		for(week = 1; week <= 20; week++){
			army.printReport(week);
			army.addStrength();
		}
	
	}
}