Questions tagged as 'java'

Tagged questions
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How to limit a value between 0 and 10 with java fx textfield

Goodbye everyone, I'm new to this and I'm developing an application with java fx, but I've run into a problem and I do not know how to limit my text with a value range from 0 to 10. I pass the code generated: import AlmacenNota.AlmacenNota; im...
asked by 19.11.2017 / 12:13
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How to move a Boolean variable created in a Jframe and be able to use it in a different Jframe?

My problem is that I have this in a Jframe The idea is that the user write 2 propositions (can be true or false) to be able to make operations with these private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {...
asked by 18.11.2017 / 03:02
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Conditional colors in TableView JavaFX

I have a table in javafx like this: What I need is to change the color of the cells in the KmSopassed column according to the value it has. for example if the value is greater than 5000 it should appear in red if it is smaller yellow etc....
asked by 15.11.2017 / 19:21
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Error: unable to resolve method using strict-mode

I am creating a bundle with drools where at the moment of running a main class of tests it returns me Error: unable to solve method using strict-mode My Main class (TestFunctions.java) public class TestFunciones{ public static final vo...
asked by 15.11.2017 / 17:20
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MySQL Filter Expired Permissions

I have the following question: I have a table in mysql called drivers in which I keep your data including Date of Issued driver's license and Expiry date. What I need is to filter "Show" all those that are about to expire or have already expi...
asked by 15.11.2017 / 20:08
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I can not insert values into the database with Java Servlet

I have a database and I want you to insert values in the table ... the program does not throw any errors ... but it simply does not insert the values in the database ... When I make an insertion through the database is fine ... but I can through...
asked by 15.11.2017 / 17:41
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problems with UsbHostManager.getUsbServices ();

hello I have problems with these lines of code public static void main(String[] args) throws UsbException { UsbServices services = UsbHostManager.getUsbServices(); dump(services.getRootUsbHub(), 0); } and java just gives me this err...
asked by 14.11.2017 / 17:20
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JSCH library for connection to SFTP server "Preserve Timestamp"

My question is, if I open some way to configure JSCH so that it does not keep the "Timestamp" when uploading the files, that is: in WinSCP comes an option like this:   That's the option I want to configure in JSCH. I have a part where a con...
asked by 14.11.2017 / 17:51
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Does not show the primefaces tags when entered by facelets templates

<h:body> <ui:composition template="./../WEB-INF/templates/plantilla.xhtml"> <ui:define name="content"> <center> <h:form> <h2>Registrar usuario</h2&...
asked by 14.11.2017 / 21:45
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Consult DNI with JSOUP

Good evening I have this problem when making the query of a DNI from this page, I hope you can help me. This is the page I want to access: link This is my code in Java: public static Document getHtmlDocument(String url){ Docume...
asked by 12.11.2017 / 03:09