Questions tagged as 'java'

Tagged questions
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variable in selectOneMenu

In a form I have the field where I inform the name and create a folder with that name, in the second form a selectedOneMenu where I list the folders I created in the first form, now my problem is in the form of upload because when I select a fol...
asked by 22.09.2016 / 03:12
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Problem with hibernete and JPA

It is a WS REST, it should return a donor, but it is giving an exception ... Console: set 22, 2016 3:37:15 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {5.0.1.Final} set 22, 2016 3:37:15 PM org.hibernate.cfg.Environm...
asked by 22.09.2016 / 21:11
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Single-directional OneToMany mapping with 3 classes using 1 single class

Good evening, I have the following structure: @Entity public class Endereco { private String logradouro; private String numero; private String cep; private String bairro; private String complemento; } @Entity public class Cl...
asked by 15.10.2016 / 04:23
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Show JProgressBar while connecting to database

I have a desktop application in java with netbeans doing the connection through JDBC, and I'm with a class that connects to the database and returns me some items that are stored there. I would like to display progressBar while the databa...
asked by 20.09.2016 / 14:43
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Android bug with KSOP2 with double value java.lang.RuntimeException: Can not serialize: 4.0

asked by 15.10.2016 / 14:54
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Fill ListView with an array

I have an Array List where I store the subjects with the respective notes of a given student. This array has only 2 attributes: nameDiscipline valueNote I would like to know how to fill a listview with all the disciplines and notes stor...
asked by 20.09.2016 / 17:23
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uploadFile primefaces

The method below, along with my jsf, uploads a .bat file to a folder inside my project, until it works normally, the problem is that when I go to see the folder where the file is, it is there , only with 0kb, I open it and have nothing, does any...
asked by 23.09.2016 / 01:17
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Error when compiling a project in Android Studio

I have a project that was working normally, but yesterday I had to install Windows on my computer. And today I open the project and when I try to compile, I get this message:    Error: (1, 1) error: illegal character: '\ ufeff'   Error: (1, 1...
asked by 18.09.2016 / 18:24
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Format value p: slider jsf

Hello, I have a component p: slider that goes from $ 0 - $ 5000. The problem is that I do not know how to format the values in the Brazilian currency. Can someone help me?     
asked by 19.09.2016 / 20:34
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selectonemenu and dialog of primefaces

Hello everyone. I am currently experiencing a problem with prime faces which is a library of visual Java components. The problem I am having is the following: In the login screen of my system, there is a commandButton to call a dialog that co...
asked by 20.10.2016 / 03:00