Questions tagged as 'netbeans'

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How to place line breaks in a jtextarea java?

I have a text editor in java: v in this you can open and save files by placing the path of the file plus the format ... but when you save a file the line breaks that you place are not saved here a part of my code when you precious the save butto...
asked by 25.11.2018 / 02:57
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Problem to graph inside a JPanel

I have a problem, I want to put a graph that I did in a jframe in a jpanel inside that jframe. I'm working in Netbeans. Can someone solve it? The graphic I did was importing this class to draw a perlin noise function: link For the graphic u...
asked by 17.11.2018 / 21:34
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No suitable driver found for jbdc: sqlserver

I have followed all the steps I find, I have tried several versions of the driver but still it does not let me connect and says that the driver version is not compatible This is the code I use to try to connect package dbtienda; import java.sq...
asked by 22.11.2018 / 05:50
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Exception in thread "main" java.lang.NoClassDefFoundError: javax / xml / bind / DatatypeConverter

I'm doing an application on a computer, we're 4 and everyone uses Windows except me (Mac). This application uses a database with MySQL . At the beginning I had JDK 10 , now I have the 1.8 (8) . I have two versions of NetBean...
asked by 13.11.2018 / 19:12
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I can not make an interface disappear in netbeans

Hello, I'm doing a project in NetBeans with several frames and I used the .setvisible(true); that works correctly for my other interfaces to appear; but I also used the .setVisible(null); to make the previous interface disappear...
asked by 10.11.2018 / 04:38
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JavaMail Shipping problem

I'm having a problem sending an email from an application made in Java (netbeans). The problem is that I want to use a mail "webmail" instead of gmail (where it works) the issue is that by making the corresponding changes, the frame freezes and...
asked by 06.11.2018 / 19:32
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How to know Exactly the lines of a jlist in java?

As I said in another question answered I have a list that I use as a line counter and it works fine but now the problem is here when I open a file anybody tells me all the lines well but starting from 2 years ago I put them to write me too in th...
asked by 25.11.2018 / 22:59
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Update JTree

To see if you can help me, I'm doing a small explorer to list a specific directory, I need to know how to get a button or without a button to update, that is, if I add more files in that directory. Do not have to close and reopen the applicati...
asked by 05.11.2018 / 12:21
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Problem getting date with jDateChooser

I have a jDateChooser from which I want to obtain the date but it is impossible for me to recover it I have the following fragment: Date date = jDateChooser_caducidad.getDate (); in theory it should work but what it collects from me from jDate...
asked by 02.11.2018 / 11:43
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Filter data from a report in Jasperreports (Ireport) netbeans sql

I am doing a project for which I have several reports; I have already managed to visualize them all complete by means of a jsp ; however, I want to give the user the option to filter data. For example, in my sales report I want to filter my dat...
asked by 31.10.2018 / 04:43