Java CSV reader (+charts)

220 pts.
Tags:
.CSV files
Eclipse
Java
MySQL
Hello there,
I'm trying to create a Java web application which will do the following:
-upload .CSV files
-store them in a database
-will display charts depending on the content of the .CSV file
Any ideas?
It HAS to be in JAVA!
Thanks in advance,
Peter


Software/Hardware used:
JAVA, Eclipse, MySQL

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  • TomLiotta
    It sounds like you already have all the ideas about what you want it to do. What problem are you having? Tom
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  • pforos
    I'm a rookie programmer and I have difficulty in understanding how this should work, plus I would definately need some help with the code...
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  • carlosdl
    "I'm trying to create a Java web application ..." What have you tried ? Broad questions rarely get accurate answers. If you really want the community to help you, you will have to be much more specific. Also, as this is probably your homework, your question will probably be deleted if you fail to show the work you have done so far, and demonstrate that you are in fact trying to solve the problem by yourself.
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  • pforos
    My problem is that I haven't ever used JSP and I'm having problems understanding the logic of this!! That's where I need help!! That's why I asked for ideas!!! For example, I'm supposed to create a dropdown list to make some charts appear.. the list for the dropdown menu should be called through JSP? Until now I have created the java files and it works!! Now I need to create the front-end, using JSP! My questions are: -can all the front-end be created through JSP? -how can I call from the database the values needed for each dropdown menu? If something is not clear enough or is against the rules of the site, let me know... Thanks in advance, Petros
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  • carlosdl
    Here is an example of the file upload: To Upload and insert the CSV file into Database And here is a thread with a question about dropdowns on another site: Dropdown(combo-boxes) in jsp However, if you are new to JSP and you don't understand how it works, you should look for a beginners course on the web, and start from the beginning. That is my recommendation.
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  • TomLiotta
    Until now I have created the java files and it works! Okay, so now we know that you have been successful at general java programming. A reasonable direction from there to get to .JSPs might be to start with an understanding of what Java applets are and how they work with browsers. Now, you apparently won't be doing applets -- you'll be doing servlets instead. So, if you are comfortable with the concepts of applets, go on to Java Servlets and JavaServer Pages. When you feel like you mostly know what all of those are and how they relate to each other, continue on to a JSP Tutorial. The first three links are Wikipedia pages that describe the ideas behind those three areas. When you've learned those ideas and the words that are used, then you'll know better how to think about servlets and .JSPs. That will make the tutorial much easier to work through. You might take an hour or two looking at the Wikipedia pages. And you might get through the tutorial very quickly. Without the basic background, if you don't know the basic ideas, no one will know how to tell you useful things. And maybe those links will tell you everything you need to know. Tom
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  • pforos
    TomLiotta, I tried this JSP tutorial too... But I seem to have a little problem: I try to run one of the examples (http://goo.gl/BSQ1R) but I don't seem to find where should I put the compiled class. Do you have any idea? Is this all that is needed in order to run correctly(.class file)? I'm using XAMPP with Tomcat (version >7)...
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