I was having trouble printing the product of the array I am getting runtime errors. Here is part of my code
int [] grades;
grades = new int [10];
grades [0] = 100;
grades [1] = 100;
grades [2] = 100;
grades [3] = 100;
grades [4] = 83;
[Code] ......
public class InputFileData {
/**
* @param inputFile a file giving the data for an electronic
* equipment supplier’s product range
* @return an array of product details
* @throws IOException
*/
public static Product [] readProductDataFile(File inputFile)
throws IOException{
// YOUR CODE HERE
}
This code is meant to be used to read a text file and store the data in an array of type Product[]. I know how to read in a text file and have it sort it into an array, but I've never seen code laid out in this fashion before (specifically "public static Product[]", and I'm unsure how to work with "(File inputfile)". I've looked all over the place but can't find any examples of anything like this.
Also, the code given cannot be changed, as it's that code I have to work with.
I still don't understand how to use it as a whole. For example, do I read the file in the main and have this method read that in and output to the Product class? Do I read the file in this method? I can't work out how to make this work when I have to use this method.
So I'm trying to write a program that will take in 5 numbers, store them in an array and then print out the array and the average of the array. Problem is that every time I run my program I get a "ArrayIndexOutOfBoundsException: 5" error and I don't know who to fix it.
public class ConstructorHomework {
final static int size = 5;
static double[] myArray = new double[size];
public static double average;
public void printArray(){
[code]...
So for fun I've decided to write a program that can keep track of a simple card game my friends and I designed. I've built a class for an array, that stores the basic stats of each card. I need to be able to access this array from another class, that will print the array information to a file, so we can easily keep track of who's cards have leveled up and their stats. The main class will also be using a random number generator to determine how much damage the attacker/defender deals and takes respectively. So far I have the random number generator built as well. I'm just having issues creating a print to file class and what I need to change in my array class to make it accessible by the other class that prints it to a file.
public class StartingStats {
public static void main(String[] args)
{
//Variable to use for how many spots in a stat array there are
final int statArray = 2;
[code]...
what I need to change so that a print to file class can access EACH array in this array folder. Also if any cookie cutter printToFile class I could use/borrow/change that'd be really useful, as I've never done any printing to file before. Also, the levels of each stat and exp will be changing so that's why I need a separate class to print so that I can call it when it's been updated so we always have the most up to date stats saved.
My array isn't printing. I have tried everything. I have tried putting a nested for loop in different methods but still no luck. I have also tried System.out.print but that prints random characters/numbers.
import java.util.Scanner;
public class Square
{
public static void main(String[] args)
[Code].....
^For some reason the site doesn't show the spaces between the *. It's supposed to be a 5x5 square.
I have tried to print array elements using standard print statement. I am getting errors. How to print them. Here is my code:
class arrayEx1{
public static void main(String args[]) {
int a[]=new int[3]; //Declaring Single Diomentional Array
a[0]=10;
a[1]=20;
a[2]=30;
int total=a[0]+a[1]+a[2];
System.out.println("Values stored in a[0],a[1],a[2]elements are :" + a[0] a[1] a[2]);
System.out.println("Total values of a[0],a[1],a[2]elements is :"+ total);
}
}
if i give comma (,) in between above print stament (print statement 1) stil i am getting errors.
Ok, so the program we are supposed to do is to create implement a employee class then create a main tester class that can accept user inputs for 5 employee names, salaries, and performance rating. After that, we have to input code to calculate a provided raise amount, then print out the array with the updated raises. I have completed the program with no syntax errors, but it doesn't do anything. not even a screen comes up on my end to accept user inputs. I know its something basic, but what am i missing
Employee class
public class Employee
{
private String employeeName;
private int salary;
private int performanceRating;
[Code] ....
I want to Display the Index of output Array.
here is the code:
import java.util.ArrayList;
import java.util.List;
public class selection {
private static int[] numbers= { 1, 2, 4, 8, 16, 32, 64, 128, 250, 250, 250, 250, 250, 250, 250 };
private static int[] sumsum= new int[numbers.length];
private static int sum= 1759;
[Code] .....
I want to print each value in the multi-dimensional array using a for loop but there is a problem.
Here is the script:
Java Code:
public class LearningJava
{
public static void main(String[] args) {
int[][] Grid = {
{12, 24, 36, 48, 60},
{1, 3, 5},
[Code] ....
Printing i: 0, x: 12
Printing i: 0, x: 24
Exception in thread "main" Printing i: 0, x: 36
Printing i: 0, x: 48
Printing i: 0, x: 60
java.lang.ArrayIndexOutOfBoundsException: 5
at LearningJava.main(LearningJava.java:11)
It's suppose to get the length of each array and print all the values in that array and then move to the next one.
I tried adding .length
Java Code: for(int x = 0; x < Grid[i][x].length; x++) mh_sh_highlight_all('java');
but then it doesn't work at all.
I have a program that works, but I would like to know an easier way to record and print from a large array.
Here is what I have
package pa2;
import java.io.IOException;
public class PA2Delegate {
//long[] array = new long[100000];
int arraySize = 100000;
int iterations = 9999;
Long[] array;
[code].....
I am having a hard time trying to figure out how to print random numbers from a an array list. I tried google but nothing worked. I have to pick certain values from two lists and print them on the screen. I have included comments in the code to facilitate the explanation.
import java.util.Random;
public class Parachute {
public static void main(String[] args) {
Random randomNumbers=new Random();
int number;
int array []={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21};
char A[] = {'a', 'b', 'c','d','e','f','g','h', 'i','j','k','l','m','n','o','p','q'};
[Code]...
My assignment was to create a class and then write a program that uses the methods of the class I created. All the output is correct except for the Question # Missed. It prints [I@1dd0fe7. The wrong question numbers have to be stored into an array and that array printed. I've tried using a for loop to print, rearranging the code, setting the code to how I did in the other methods. I either get this [I@1dd0fe7 -or- a bunch of 0's. I'm not sure if I am calling the method incorrectly, or just do not have the correct set-up to print the array, or if I am just not grabbing the ones that are incorrect.
public class DriverExam {
// Fields
private boolean result;
private int testTotal;
private int numWrong;
private int [] numMissed;
private char [] answerKey;
[Code] ....
public class ArrayPrinter {
public static void main(String[] args) {
int[] oneD = {5, 6, 7, 8};
PrintArray(oneD);
}
public static void PrintArray(int[] Arr) {
System.out.println ('[');
for (int i =0; i >= Arr.length; i++) {
System.out.print (Arr[i]);
if (i < Arr.length){
System.out.print(", ");
}
System.out.print (']');
}
}
}
I tried to format this to enhance readability but I'm not sure if I managed to improve it any... This code should be printing the contents of the array with spaces and commas its just printing [. I think this is because Arr is empty for some reason but I'm not sure why it would be when it gets the values of oneD passed to it.
This is my code:
public class rotate
{
public static void main(String[] args)
{
int[] arrayInput = {1, 7, 8, 6, 2};
for(int i = 0; i<arrayInput.length; i++)
[Code]...
It's printing out this (the second line):
I have the following code Java (is it just a meaningless example ), my question is: if I wanted to insert a code to multiply two fraction into moltiplicaPer() metod What should I write?
public class Frazione {
private int num;
private int den;
Frazione() {
num = 0;
den = 1;
[Code] ....
I am not sure what is happening with my code, but it is giving me a negative number. I am trying to write a program that calculates the product of the odd integers between 1 and 25. I messed with the program and as soon as you enter a number over 22, the end result is a negative number.
int total = 1;
for (int i = 1; i <= 25; i += 2){
total *= i;
}
System.out.println("Product:" + total);
The question is when you send two messages from the client to the server does the server read the messages as one input or do you have to read both inputs on the server side?
Im using DataInputStream and DataOutputStream
On the client side I send two messages one for the database action to be performed and the send is the information needed to get the job done.
Example I want to search for a product in the database.
I send to the server an output message saying search product. I then send to the server which product I want to be searched.
The server then retrieves the message by in.readUTF(); switch statement determines what database action should be performed. Within that case I call another in.readUTF() to pass the information to the database on what product to search for.
Would this work or would the server read both messages from the client as one input stream?
I am working on the following simple question of Java: "Write a program called Product1ToN to compute the product of integers 1 to 10 (i.e., 1,2,3...10). Try computing the product from 1 to 11, 1 to 12, 1 to 13 and 1 to 14. Write down the product obtained and explain the results."
public class HelloWorldApp {
public static void main(String[] args) {
int lowerBound = 1;
int upperBound = 10;
int product = 1;
[code]....
why the code gives unexpected results?
Below is current process :
We have an application running successfully where we fetch the weight of product currently on Production Line using Java.
All the products on line belong to same order and are of same type.
User at beginning enter the type of product and starts the production line.
Proposed new process: Now client want that multiple type of product can belong to same production order. i.e. on a production line different type of products can come one after other. So we should now fetch the type of product also.
The Question : what are different possibilities in which we can find the type of product. Can java fetch color of a box ? If we use scanner on line that scans the product and sends the color information to Java.
Above is just a possibility. Can there be any other parameters that Java can use to differentiate in type of product ?
Currently we are clueless. What ever are the possibilities in Java we can propose the same to client. Even if that requires additional hardware.
I wanted to know if I was off to the right start. I am trying to write a program using the for loop the calculate the product of the consecutive numbers 4 through 8 but so for I am getting 3 values output and I only want 1 value at the print out.
The code I am using outputs the numbers too large. I am trying to see where I went wrong.
for ( int i = 4 ; i <= 8; i++)
{
int j = i++;
int k = j++;
int l = k++;
int m = l++;
System.out.println( + (i*j*k*l*m) );
}
What I am trying to do here is allow input to loop until 0 is entered for the product number. When 0 is entered, it should then dump the total for each individual product. I've tried it about a dozen different ways and have yet to be able to get the loop to function as intended. The way I have the code below, the loop will not function at all (where as before it looped, but never finished).
import java.util.Scanner;
public class Sales {
public static void main(String[] args) {
double total1=0.0;
double total2=0.0;
double total3=0.0;
double total4=0.0;
double total5=0.0;
int product;
[Code] ......
My problem is that in my program, I have the user input data for one of three product objects, however when I read the data for all three objects, the same data is stored in all of them.
Anyway this is the method from the Interface class:
private void readInput() // the only method in the program that accepts product data from the user {
Store matesStore = new Store();
String name;
int demandRate, productChoice;
double setupCost, unitCost, inventoryCost, sellingPrice;
Scanner console = new Scanner(System.in);
[Code] ....
And here is the method from the Store class:
public static void addData(int option, String newName, int newDemand, double newSetup, double newUnit, double newInventory, double newPrice)
//sets the product data for a particular product {
if (option==1) setData(product1, newName, newDemand, newSetup, newUnit, newInventory, newPrice);
else if (option==2) setData(product2, newName, newDemand, newSetup, newUnit, newInventory, newPrice);
else /*(option==3)*/ setData(product3, newName, newDemand, newSetup, newUnit, newInventory, newPrice);
[Code] ....
The problem I had was with static variables and methods.
I'm getting hard time understanding(rather finding) how to setup step by step amazon product advertising API using SOAP request.
They have given the wsdl file but they did not tell how will the user use it.
The Program prompts the user to enter the number of products in the product catalog. The program should then prompt the user for the name and the price of each product in the product catalog. Once all of the products have been entered, the program should output the product information (name and price) of the most expensive product in the catalog. Your solution to keep track of the product with the highest price.
import java.util.Scanner;
public class ProductTester {
private static final String price = null;
public static void main(String[] args) {
Scanner console = new Scanner(System.in);
System.out.print("Enter the number of Products: ");
int count = console.nextInt();
[Code] ....
I want to display product details such as product image, name, price in a one cell of a table tag on jsp page. There should be multiple rows and 3 cells per row in the required output.i have written the following code:
<form action="displayServlet" method="get">
<table >
<tr>
<%
statement4 = connection3.createStatement();
rs4 = statement4.executeQuery("SELECT * FROM product");
[code]....
This code displays all cells in only one row. I used colspan but its not working...I have attached the snapshot of above code output and required output
I want to write a Utility to calculate the shipping charges based on the product weight in pounds and distance in miles. How we can go about it.
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