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Thread: HELP PLEASEE!!

  1. #1
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    Default HELP PLEASEE!!

    i'm a student taking a beginner java class and i need help just fixing some of my code

    basically, i need help figuring out how to read delimiters to separate tokens

    if anyone can help, please comment and i'll share my code! it shouldn't take too long - promise!

    thank you so much!!


  2. #2
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    Default Re: 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());
    			}
    		}
    	}
    Last edited by ash12; July 22nd, 2012 at 12:28 PM.

  3. #3
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    Default Re: HELP PLEASEE!!

    Oh the pain to my eyes, all that code looking text there...
    Throw in some tags and I will look it over....

  4. #4
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    Default Re: HELP PLEASEE!!

    ahh i'm new! how do i use tags?

  5. #5
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    Default Re: HELP PLEASEE!!

    put [ CODE] at the beginning and [/ Code] at the end without the space in there

  6. #6
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    Default Re: HELP PLEASEE!!

    fixed! thanks for offering to help!

  7. #7
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    Default Re: HELP PLEASEE!!

    I fixed it!

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