Unable To Retrieve Information From JSON Repository Stored Online
Feb 25, 2015
I'm trying to retrieve information from a json repository stored online. I have so far setup my code to create the string that could be used as the url. What I'm not sure about is how you setup a Json Parser?
- Would you recommend I use a library? I hear google-gson is meant to be good?
- How easy is it to convert a string into a URL? I assumed that this would be good enough
" String searchURL = "randomURL.com"
URL temp = new URL(searchURL);" ,
but I get a MalformedURLException.
- What do I need to know to use JSON?
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Jul 27, 2014
I am trying to write to a text file with information stored like this.
brick 500
stone 500
And so on. Here is the code I am using to write to the file.
switch(record){
case "brick":
x.format("%s%n", "brick " + value);
closeFile();
break;
case "log":
x.format("
%s%n", "log " + value);
closeFile();
break;
When I write like this, putting deletes the first line. What I can look into or other functions that would be useful?
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Nov 4, 2014
I am creating a shopping list, with each element and object called product from the Item attribute class. Each product object has a description, price, and priority. From user input, I am able to create each product object, and then .add to my arraylist. I know that it successfully adds because I have it printed in each iteration of the do-while loop. Once the user indicates they want to quit, the loop ends. I then want to print each description, price, and quantity but this for loop will only print the last element over and over. Here is what I have:
ArrayList <ItemAttribute> list = new ArrayList<ItemAttribute>();
Scanner keyboard = new Scanner(System.in);
ItemAttribute product = new ItemAttribute();
public void findDescrPrice() {
/**
* Get the item name (description) for each list item
[code]...
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Apr 20, 2015
I am pretty new to java and where I should start. What I am trying to do, is to retrieve live information from poker sites as I play, typically my hand and the pot size. Is this possible? I know poker sites probably are very secure, but I can see those things (my hand, and the pot) anyway, I just want it to happen automatically. What I am trying to do, is to create a program that retrieves the information, and then calculate the odds of me winning.
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We used the following jquery plugins in our project
jquery 1.8.3
jquery.ui.custom.1.9.2
jquery.ui.custom.min-1.9.
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Jun 20, 2014
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Apr 17, 2015
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Jul 13, 2014
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Jul 18, 2014
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Jun 30, 2014
I am trying to build a basic online exam app.But not able to find out how to do that.So user will log in , click on start exam That will be handled by servlet , servlet should call Model class that will fetch questions from database and make a list of those questions and return it to servlet.Than servlet will set that list as an attribute.
and redirect to jsp , which will have three buttons previous ,next ,finish.on clicking on finish I will call servlet wichich will calla model class which returns users score and then servlet redirects to result.jsp.Is this way is right ?
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Aug 20, 2014
Running a java source code through an online java compiler (in which you will just pass the the source code using a http request, then the compiler will return the output/error of the source code automatically)?.
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Nov 2, 2014
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Jan 20, 2015
I want the code for comparing the price of product on different online shopping site ...
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Jul 5, 2014
I was trying to find the complete readLine() method In the online docs but all I can get hold of Is:
readLine
public String readLine()
throws IOException
Reads a line of text. A line is considered to be terminated by any one of a line feed
('
'), a carriage return ('
'),
or a carriage return followed immediately by a linefeed.
Returns:A String containing the contents of the line, not including any line-termination characters, or null if the end of the stream has been reachedThrows:IOException - If an I/O error occursSee Also:Files.readAllLines(java.nio.file.Path, java.nio.charset.Charset)
Is It possible to view the actual method syntax online ?
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Jan 18, 2014
I want to be able to get an image online and display on my JPanel but for some reason my image wont load and just shows a blank square, but when I try to load an image from my hard drive it works just fine.
Here is what I was trying to do:
Java Code:
BufferedImage image;
try
{
image = ImageIO.read(SiteMainMenu.class.getResource("insert link here"));
}
catch(Exception e)
{
} mh_sh_highlight_all('java');
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Apr 2, 2015
How to store the time taken by each question in an online examination system?(i am devloping the project using jsp)
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Dec 19, 2014
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Mar 12, 2014
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servlet code:
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
[Code] .....
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Jan 25, 2014
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Oct 29, 2009
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Jun 5, 2013
I'm making a website with articles (like a blog). I have a webpage called admin.html where you insert the data of the article (title, post etc).
Admin.html calls to a servlet and this sends the information to a SQL Database and it stores and my index.jsp calls to database and show the articles.
This works perfect, and a non-programmer can insert new articles. The problem is that I need to create an .html file for every article/post and save it into my server online.
For example if I create "CoolArticle", I need the file "CoolArticle.html" and save it in my hosting.
How I can do it? I never have seen examples online, all were local, so I can't continue.
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May 19, 2013
I am doing a project "online election system" client-server base application.
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Mar 29, 2014
I have JSON which as response from third party server,i call the URL and i want to print in browser as json but it is not display browser also display well in console i post my code here
URL url = new URL ("http://api.rottentomatoes.com/api/public/v1.0/movies/770672122.json?apikey=qpdtfwugwbxt32awk8jvwcdq");
URLConnection uconn = url.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(uconn.getInputStream()));
String line=null;
while ((line = in.readLine()) != null) {
System.out.println(line); }
output in browser
============
The XML page cannot be displayed / Cannot view XML input using style sheet. correct the error and then click the Refresh button, or try again later.
XML document must have a top level element. Error processing resource '[URL] ......'. and also The XML page cannot be displayed Cannot view XML input using style sheet. Please correct the error and then click the Refresh button, or try again later.
A semi colon character was expected. Error processing resource '[URL] ....'. Line 10, Posi...
"canonicalUrl": "/v1/products?format=json&apiKey=9uvqqsjvwxc4c4ferw922k7k",
like error showing
output in console:
{"total":19,"movies":[{"id":"771312513","title":"Captain America: The Winter Soldier","year":2014,"mpaa_rating":"PG-13","runtime":136,"critics_consensus":"Suspenseful and politically astute, Captain America: The Winter Soldier is a superior entry in the Avengers canon and is sure to thrill Marvel diehards.","release_dates":{"theater":"2014-04-04"},"ratings":{"critics_rating":"Certified Fresh","critics_score":94,"audience_score":99},"synopsis":"Steve Rogers continues his journey as the super-powered American soldier who's grasping to find his place in a modern world after being frozen in ice....
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Aug 21, 2014
I am trying to learn how to parse a Json with java. So I have this code
import java.net.*;
import java.io.*;
public class test2 {
public static void main(String[] args) throws Exception {
[Code] .....
and it has this output
{
"response": {
"version":"0.1",
"termsofService":"http://www.wunderground.com/weather/api/d/terms.html",
"features": {
"conditions": 1
[code]...
How do I turn this information into java objects?
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Sep 18, 2014
So I would like to get information out of a web-API. But my question is how I do this. I guess I need to read the URL first. And parse it after but what is the best way?
For example : [URL] .....
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Aug 27, 2014
I would like some clarification on a project I am working on. I need to build a java application to query a xml and json file. I have started by parsing both documents and I am unsure if I am doing the next steps correct. I was thinking about dropping the txt file with both outcomes into a db and doing it that way, is this the right way or is there a better and more efficient way of doing things ?
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