## InventoryProgram class
package inventory;

import java.util.*;
import java.io.*;



public class InventoryProgram {
	static ArrayList<String> lines = new ArrayList<String>(100);
	static ArrayList<InventoryItem> items = new ArrayList<InventoryItem>(100);


	public static void main(String args[]) {
		int totalItems = 0;
		double totalValue = 0.0;
		try{readFile("..\\InventoryIn.txt");}
		catch(IOException ioe){System.err.println("File Not Found");}
		setUpInventory(lines);
		for (int i = 0; i<items.size(); i++) {
			totalItems += items.get(i).getQuantity();
			totalValue += items.get(i).getTotalValue();
		}
		for (int i = 0; i<items.size(); i++) {
	    	if(items.get(i).isOverStocked(totalItems) && items.get(i).isOverValued(totalValue)){
	    		items.get(i).markDown(.5);
	    		System.out.println (items.get(i));
	    	}
	    	else if(items.get(i).isOverStocked(totalItems) || items.get(i).isOverValued(totalValue)){
	    		items.get(i).markDown(.25);
	    		System.out.println (items.get(i));
	    	}
	    	else
	    		System.out.println (items.get(i));
	    }

	}

	public static void readFile(String fileName) throws IOException{
		File inputFile = new File(fileName);
		Scanner sc = new Scanner(inputFile);
		while(sc.hasNextLine())
			lines.add(sc.nextLine());
	}

    public static void setUpInventory(ArrayList<String> info){
    	for (int i = 0; i<info.size(); i++) {
    		StringTokenizer st = new StringTokenizer(info.get(i));
    		InventoryItem item = new InventoryItem(
    			Double.parseDouble(st.nextToken().substring(1)), st.nextToken(), Integer.parseInt(st.nextToken()), st.nextToken());
    		items.add(item);
	    }
	}
}
## InventoryItem Object Class
/**
 * This class represents a single item in the
 * store.  Based on the 2007 SJCNY Programming
 * Competition.
 */
 package inventory;
 import java.text.*;

public class InventoryItem {
	//fields:
	double price, salePrice, totalValue;
	int quantity;
	String manufacturer, name;
	boolean onSale;
	DecimalFormat formPrice = new DecimalFormat("#########.00");

	//constructor:
	public InventoryItem(double p, String m,
						int q, String name) {
		price = p;
		quantity = q;
		manufacturer = m;
		this.name = name;
		onSale = false;
	}

	/**
	 * Produces a one line string that gives the data
	 * for this class.  If the item is on sale, then
	 * this will be indicated by ****
	 * For Example:
	 * "Abit Motherboard 75.95 200 **** Sale item, price: 37.98 ****"
	 * "Canon Camera 299.99 1"
	 */
	public String toString() {
		String output = this.manufacturer + " " + this.name + " " + this.price + " " + this.quantity;
		if(!this.onSale)
			return output;
		else return output.concat(" **** Sale item, price: " + formPrice.format(salePrice) + " ****");
	}

	/**
	 * Reduces the price by the given percentage.
	 * For example: if the initial price is 100
	 * and percent is 10, then the new price is 90.
	 * If initial price is 500, percent is 50, then
	 * the new price will be 250.
	 * The new price is stored in salePrice (field).
	 * percent is in the decimal format
	 * for example: if the percent mark down is 25
	 * 				double percent = .75
	 */
	public void markDown(double percent) {
		this.salePrice = (1 - percent) * price;
		this.onSale = true;
	}
	public int getQuantity(){
		return quantity;
	}

	public double getTotalValue(){
		totalValue = price * quantity;
		return totalValue;
	}

	public boolean isOverStocked(double totalQuantity){
		double percent = 100.0 * (this.quantity / totalQuantity);
		if (percent > 10){
			return percent > 10;
		}
		return false;
	}

	public boolean isOverValued(double totalValue){
		double percent = 100.0 * (this.price / totalValue);
		if (percent > 5){
			return percent > 5;
		}
		return false;
	}
	//testing only
	public static void main(String args[]) {
    	InventoryItem box = new InventoryItem(75.92, "Abit", 500, "Mobo");
    	box.markDown(.25);
    	System.out.println (box);
    }


}