Thread: HELP PLEASEE!!

here's my code; i always get InputMismatch error -___-

import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.io.*;
import java.util.Scanner;
 
public class Application{
 
	public static void main (String[] args)
	{
 
	try{
		//Input File
		File input = new File ("squalmart.in");	
		if (!input.exists() && !input.isFile()) {
		System.err.println("File " + input.getName() + " does not exist.");
		System.exit(1);
			}
		Scanner inputFile = new Scanner(input);
		inputFile.useDelimiter("\t");
		int totalLines = inputFile.nextInt();
		int n = 0;
		product[] p = new product [totalLines];
		for (int i = 0; i < totalLines; i++)  {
			String Product_Category = inputFile.next();
			String Product_Name = inputFile.next();
			int Quantity_On_Hand=0;
			if (inputFile.hasNextInt()) {
				Quantity_On_Hand = inputFile.nextInt();
				}
			else{
				System.err.println ("The Quantity_On_Hand for this product is not a valid integer value. The input line has been discarded.");
				inputFile.nextLine();
				continue;
				}
			int Number_Sold = 0;
			if (inputFile.hasNextInt()) {
				Number_Sold = inputFile.nextInt(); 
				}
			else{
				System.err.println ("The Number_Sold for this product is not a valid integer value. The input line has been discarded.");
				inputFile.nextLine();
				continue;
				}
			float Product_Price = 0;
			if (inputFile.hasNextFloat()) {
				Product_Price = inputFile.nextFloat(); 
				}
			else{
				System.err.println ("The Product_Price for this product is not a valid value. The input line has been discarded.");
				inputFile.nextLine();
				continue;
				}
			float Product_Cost = 0;
			if (inputFile.hasNextFloat()) {
				Product_Cost = inputFile.nextFloat(); 
				}
			else{
				System.err.println ("The Product_Cost for this product is not a valid value. The input line has been discarded.");
				inputFile.nextLine();
				continue;
				}
			if (Product_Category.equals("Shoes") || Product_Category.equals("Men's Wear") || Product_Category.equals("Women's Wear") || Product_Category.equals("Household") || Product_Category.equals("Home and Garden") || Product_Category.equals("Automotive")) {
				p[n]=new product();
				p[n].nproduct (Product_Category, Product_Name, Quantity_On_Hand, Number_Sold, Product_Price, Product_Cost);
				n++;
				System.out.println(n);
				}
			else {
				System.err.println("The category does not match one of the possible categories. The input line has been discarded.");
				System.err.println(Product_Category + Product_Name + Quantity_On_Hand + Number_Sold + Product_Price + Product_Cost);
				inputFile.nextLine();
				continue;
			}		
				p[n]=new product();
				p[n].nproduct (Product_Category, Product_Name, Quantity_On_Hand, Number_Sold, Product_Price, Product_Cost);
				n++;
			}
		System.out.println("howdy");
		//Starts output file
		String outputFile = "squalmart.out";
		PrintWriter outputStream = new PrintWriter(outputFile);
		//Category Report
		outputStream.println("Category Report:");
		outputStream.println("================");
		outputStream.println("   Item                       Price       # In Stock");
		outputStream.println("   -------------------------------------------------");
		outputStream.flush();
		DecimalFormat fmt = new DecimalFormat ("$####.00");
		for (int j=0; j<n; j++) {
			if (p[j].skip()) {
			continue;
				}
			outputStream.println(p[j].Product_Category());
			if (p[j].Quantity_On_Hand()==0) {
				outputStream.println("\t" + p[j].Product_Name() + "\t\t      " + fmt.format(p[j].Product_Price()) + "\t\tCurrently out of stock");
				}
			else {
			outputStream.println("\t" + p[j].Product_Name() + "\t\t      " + fmt.format(p[j].Product_Price()) + "\t\t" + p[j].Quantity_On_Hand());
				}
			for (int k=j+1; k<n; k++) {
				if (p[j].Product_Category().equals(p[k].Product_Category())) {
					if (p[k].Quantity_On_Hand()==0) {
					outputStream.println("\t" + p[k].Product_Name() + "\t\t      " + fmt.format(p[k].Product_Price()) + "\t\tCurrently out of stock");
					}
				else {
					outputStream.println("\t" + p[k].Product_Name() + "\t\t      " + fmt.format(p[k].Product_Price()) + "\t\t" + p[k].Quantity_On_Hand());
					}
					p[k].skip(true);
					}
				}
			}
		//Sales Report
		outputStream.println("Sales Report:");
		outputStream.println("==============");
		outputStream.println("   Item                          Revenue          Profit");
		outputStream.println("   -----------------------------------------------------");
		for (int j=0; j<n; j++) {
		if (p[j].skip()) {
			continue; 
			}
			outputStream.println(p[j].Product_Category());
			if (p[j].Number_Sold() == 0) {
				outputStream.println("\t" + p[j].Product_Name() + "     Not Sold");
				}
			else {
				outputStream.println("\t" + p[j].Product_Name() + "    " + fmt.format(p[j].Revenue()) + "           " + fmt.format(p[j].Profit()));
				}
			for (int k=j+1; k<n; k++) {
				if (p[j].Product_Category() .equals(p[k].Product_Category())) {
					outputStream.println("      " + p[k].Product_Name() + "    " + fmt.format(p[k].Revenue()) + "      " + fmt.format(p[k].Profit()));
					}
				}
		}
		//Manager's Report
		outputStream.println("Manager's Report:");
		outputStream.println("=================");
		outputStream.println("   Total Number of Products Sold              Gross Sales");
		outputStream.println("   ------------------------------------------------------");
		float totalSales=0;
		int totalSold=0;
		for (int j=0; j<n; j++) {
			totalSold=totalSold+p[j].Number_Sold();
			totalSales=totalSales+p[j].Revenue();
			}
			outputStream.println(" " + totalSold + "                                " + fmt.format(totalSales)); 
			outputStream.flush();
      		}
		catch (IOException e) {
			System.err.println("Caught IOException: " +  e.getMessage());
			}
		}
	}