Questions tagged as 'java'

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JAVA maze problem

I have a question, I need to create a program that can find the output of any maze in java. The method I'm trying to develop is this: public static void encontraCaminho(){ int k = 0; int pos; int aux = 0; for(int i = 0...
asked by 15.09.2015 / 14:59
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How to install an old version of JDK on windows 7?

I already have some versions installed on the machine, 1.7 and 1.6. Now I have the need to install version 1.5, but when I try to install an error occurs, speaking to uninstall the versions that I have of JDK. I do not have the possibility...
asked by 16.09.2015 / 14:30
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Problem with ViewScoped RequestScoped and Session

I have the following scenario: A DataTable where it has a button which executes a Bean method, however this DataTable is using a Paging with Lazy Loading, however according to the session annotation that I use the button method is not execute...
asked by 07.08.2015 / 16:33
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How to pass data to the Activity itself after the camera is called?

I have Activity with EditText and Button . When the button is clicked, typed text is saved to an attribute of Activity and the camera is opened with the startActivityForResult() method. When the user takes th...
asked by 06.08.2015 / 19:24
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How do I call a nodejs method in Java code?

I need to use a Node method in a Java application. I can not use Nashorn because I need Jquery because pure JS does not solve my problem. As the node allows the use of Jquery, it was chosen, but I can not do the integration. Is it possible...
asked by 03.08.2015 / 21:22
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Problem to save with hibernate, type checked is different than expected

I'm having a problem saving two tables ( @OneToOne ) to the database using Hibernate. Using weak relationship entities (person, address). Errors displayed on the console:    Initial SessionFactory creation failed.org.hibernate.Hibern...
asked by 08.06.2015 / 19:34
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Error trying to update by Maven

I'm having an error after setting the pom.xml file in the <artifactId>maven-compiler-plugin</artifactId> fault artifact. This is the error when trying to update by Maven: Could not update project comecando-primeface confi...
asked by 08.06.2015 / 23:12
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include java textfield (textfield)

I want to add this text field in my game. I already changed the code in my game but this text field is being opened in a new window, but I want this text field to be included in the game window itself. p> Just below the "Settings" butt...
asked by 08.06.2015 / 20:41
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Associate values of a dropdown with a specific column in the DB for query

I have a filter on my site that is in the image below: Therealpurposeofthisisto"search" travel destinations (eg Paris, Barcelona, Bahia etc ...) and display the same. I have the following table structure represented by bean's below (with...
asked by 10.06.2015 / 02:48
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How to bring data from a JSON webservice on Android

I wanted someone to explain how to do this. I have the following code in PHP and wanted to bring it to Android, returning the person's name. Can be in an Array ... The problem is that I can not get this data. $f = fopen('POST_DATA.txt', 'a');...
asked by 16.06.2015 / 00:49