Questions tagged as 'java'

Tagged questions
2
answers

Error reading property file in java

I do not know is correct and it works, but I made a division in the project. a project would access DAO and have the connection and an properties file with the connection information. Another has a main class in which I have not created frames y...
asked by 27.07.2016 / 15:00
1
answer

Define ID manually with Hibernate in AUTO mode

Hello, I would like to know if there is a possibility to set the ID manually when using hibernate in auto increment mode. I want it to use the auto increment but in some specific situations I need to check the existing IDs in the database and...
asked by 22.07.2016 / 20:29
1
answer

Open external links in another browser

So I have an App that my site is all responsive and is working perfectly. But I would like the external links to be opened in another browser. For example: The user clicks on a Google Adsense ad that has the site and the ad site opens in the...
asked by 29.07.2016 / 00:01
1
answer

Json for Markers android

I'm trying to loop markers from google maps, grabbing information from a json, but I'm stopped at "downloading" information from doinbackground to google's google method. To understand better, follow my code: public class MapsActivity extends...
asked by 22.07.2016 / 01:53
1
answer

Creating JLabels Dynamically

I have to create, from a click of a button, a JLabel dynamically. So that these labels are arranged in an order, giving a name for this JLabel . The user can create as many labels as he wants ... How do I do this? In my ac...
asked by 04.07.2016 / 14:52
2
answers

Working with two txt files

I have two different .txt files as examples: file1.txt has 1854 lines with 6 numbers on each line separated by "" (one space). In the other file2.txt I have more than 1 million lines with 6 numbers on each line separated by "" (a space too). I t...
asked by 10.09.2016 / 01:45
1
answer

SQLite check if data already exists

Hello I have an application where when logging in if you have a connection to the internet it should bring the data from the web service and insert it into the bank. That's good then, but my doubt is as follows: When logging in and receivi...
asked by 08.09.2016 / 14:31
2
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JConsole: Java Monitoring and Management Console

   JConsole Hello, I read that this tool monitors JVM processes. However, when executing the tool this form appears (see image). As for these parameters, what do they mean? I do not remember configuring them when installing Java.     
asked by 08.09.2016 / 21:13
2
answers

Send selected record from a p: dataTable to form, JSF firstfaces

Hello, I'm new here, and I'm migrating from Struts 1 to JSF. I am developing in JSF a user registration screen. I would like that when I select a record from p:dataTable , the data from that selected record went to the fields of the for...
asked by 24.08.2016 / 15:23
2
answers

How to do a search using jpa with searching for the foreign key

I am trying to perform a search with jpa, I have the following query: String jpql = "Select m from Medicamento m where m.usuario_id = ?1"; But this error occurs: Exception in thread "main" java.lang.IllegalArgumentException: An exception...
asked by 26.08.2016 / 01:34