Questions tagged as 'java'

Tagged questions
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Error adding strings to an array

My activity of an Android application has this code. public class gerenciar2 extends ActionBarActivity{ boolean editar=false, adcionar=false, remover=false; SQLiteDatabase Banco = null; Cursor cursor; String tabbanco="Tabela1...
asked by 05.11.2014 / 19:20
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Capture Video and Audio

I'm building a program that interacts with the user, and I want to implement the same audio and video capture, however the only way I found it was with API .. Is there any way to do a video capture (webcam) and audio of a user without the use of...
asked by 04.11.2014 / 06:09
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How to persist the value returned by a method?

In a class that has a collection, I need to persist the count of collection elements that follow certain condition. So I need to save the result of a method that checks all elements of this collection. Example: class Group { private List...
asked by 05.11.2014 / 16:27
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Bringing an Object to a ResultSet

I'm having trouble getting data from a Java search, I'm using PostgreSQL and JDBC database for persistence, public List<Tapete> listarTapetes() { PreparedStatement state = null; ResultSet rs = null; try{ String sql =...
asked by 05.11.2014 / 23:52
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JDK Java EE 7 without GlassFish

I'm trying to install the Java Enterprise Edition JDK and would like to know if you have any installation options without GlassFish 4, I want to use TomCat and not GlassFish, so have some way to install without, or remove just GlassFish? Or will...
asked by 21.10.2014 / 02:33
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How to get the description of an Enum in xhtml?

I need help to solve a situation with an Enum class together with the demoiselle framework. Eg: I have this class: ButIwouldliketoseeinmycomboboxthedescriptiveEx.:OrdinaryLaw,notLEI_ORDINARIA.Seetheimagebelow: ok you should have thought, ah m...
asked by 06.02.2015 / 17:59
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How to change the text color of ActionBar menu items?

In addition to changing the text of the menu item, how do I change the background of the menu that is suspended? In this case, which only appears when clicking on the 3 balls.     
asked by 16.04.2015 / 02:45
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Using the dropbox as a NetBeans 8 project repository in Windows

I'm using NetBeans 8 in my projects and would love to use the dropbox as the versioner. I set up the repository in Dropbox but with the project directory in another path. It may be that I'm confusing things, but what is sent to the dropbox folde...
asked by 25.12.2014 / 16:00
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java.lang.RuntimeException: Unable to start activity ComponentInfo java.lang.NullPointerException

Hello, I'm new to android, and when I try to run my app, these errors: 08-15 18:10:49.828: E/AndroidRuntime(1769): FATAL EXCEPTION: main 08-15 18:10:49.828: E/AndroidRuntime(1769): java.lang.RuntimeException: Unable to start activity Componen...
asked by 17.08.2014 / 01:51
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Error executing an assert in eclipse

I have the following lines: import static org.junit.Assert.*; import org.openqa.selenium.WebElement; public class ClasseTeste extends Navegadores { public static void verificarTitulo() { abrirChrome(); String titulo = driver.getT...
asked by 11.08.2014 / 21:31