Need help sorting arrays
Submitted by stealeyeye on Thu, 11/27/2008 - 14:51.
Tags:
I am new to java programming and totally lost. Will someone please help me in sorting the arrays in my product class of the following code. Thanks.
import java.util.Scanner;
import java.util.Arrays;
public class Inventory {
public static void main(String[] args)
{
Scanner input = new Scanner( System.in );
boolean isValid = true;//**
String productName;// = "DVD"//++
int productNumber;//++
int onHand;//++
double price;//++
double totalInventory;//++
//int count;
double totInventory;//[] = new double[3];//++
double reStockFee = .05;
double reStockCost = 0;
totalInventory = 0;
int count = 0;
while (isValid)
{
System.out.println ("Enter Product Name. Enter exit to quit program");
productName = input.next();
if (!productName.equalsIgnoreCase ("exit"))//++
{
System.out.println ("Enter Item Number: ");
productNumber = input.nextInt();
System.out.println ("Enter number of items in stock: ");
onHand = input.nextInt();
System.out.println ("Enter item price: ");
price = input.nextDouble();
//compute student grade
totInventory = (onHand * price);
reStockCost = (onHand * price * reStockFee);
//create a new class and pass the values to the method
Product.getData(productName, productNumber, onHand, price, reStockCost, totInventory, count);//+++
count++; //increment the counter to use as the array position in second class//+++
}
else
{
isValid = false;//**
System.out.print ("Item Name" + "\t");
System.out.print ("Item Number" + "\t");
System.out.print ("Items on Hand" + "\t");
System.out.print ("Item Price" + "\t");
System.out.print ("Items Value" + "\t");
System.out.print ("Restock Fee" + "\n");
Product.printArray(count);
Product.modifyArray(pName);
System.out.println ("Thank you, come again.");
break;
}
}
}
}
//Product Class
public class Product {
static int maxlength = 100;
static String pName[] = new String[maxlength];
static int[] iNumber = new int [maxlength];
static int[] iStock = new int [maxlength];
static double[] uPrice = new double [maxlength];
static double[] tInventory = new double [maxlength];
static double [] rStockCost = new double [maxlength];
static double totalInventory = 0;
//static double reStockFee = .05;
//static double reStockCost = 0;
static double totreStock = 0;
//public Product(int productNumber, int onHand, double price,
// double totInventory, int count) {
// TODO Auto-generated constructor stub
//}
public static void getData(String productName, int productNumber, int onHand, double reStockCost, double price, double totInventory, int count)
{
//check that count doesn't exceed maximum array length
if (count > maxlength)
{
System.out.println("DATA OVERLOAD!!!!. YOU CRASHED THE SYSTEM!!! Program Exiting!");
System.exit(0);
}
else
{
//store values in the array
pName[count] = productName;
iNumber[count] = productNumber;
iStock[count] = onHand;
uPrice[count] = price;
rStockCost[count] = reStockCost;
tInventory[count] = totInventory;
totalInventory += totInventory;
totreStock += reStockCost;
}
}
//print the values in the array
//public static void printAll(int count)
public static void printArray(int count)
{
for (int i=0; i<count; i++ )
{
System.out.printf(pName[i]);
System.out.printf("%15d", iNumber[i]);
System.out.printf("%18d", iStock[i]);
System.out.printf("%11s$%.2f", "", uPrice[i]);
System.out.printf("%10s$%.2f", "", tInventory[i]);
System.out.printf("%10s$%.2f\n","", rStockCost[i]);
}
System.out.printf("%s$%.2f\n", "Entire Inventory Value: ", totalInventory);
System.out.printf("%s$%.2f\n", "Entire Inventory Restock Cost: ", totreStock);
}
}
public class modifyArray
{
public static void modifyArray(pName)
{
Arrays.sort(pName1);
System.out.println("Array contents sfter sort:");
for (int i = 0; i < pName.length; i++)
System.out.println(pName1);
}
}
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Make your objects "Comparable"
You need to implement the Comparable interface (java.util.Comparable) and implement its compareTo() method, this should do the job...
well i will try to solve
well i will try to solve this problem when i get i will soon get back with solution hopefully .
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use
use compareTo method by importing java.util.* package
you will definitely get
i agree with Shailesh
i agree with Shailesh Soliwal :)
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Comparable interface
Comparable interface (java.util.Comparable) and implement its compareTo() method will resolve the problem
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help
Thank you very much for this information.
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