Questions tagged as 'java'

Tagged questions
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how to send responses during the execution of a spring function?

I'm doing a web application , in the login it makes a series of steps like validate data, connect to the database, search the user, get the permissions . All this I want the user to see in a div for example: when the login on the div say...
asked by 13.08.2018 / 18:17
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Because the File.delete () method does not work

I have been frustrated for almost 2 days trying to find the failure because the registry.delete () method does not delete the file "Registry.txt". I'm working with Gui, and every time I click on a row of a JTable and then click on the "Ban" butt...
asked by 14.08.2018 / 18:25
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How to call 2 files from the bean

I have 2 files, file1 and file2 and I have a bean, my question is how can I create a condition in the bean to know what file I am in, that is, if I am in file1 block a menu and if it is in file2 leave it in normal menu. Greetings.     
asked by 17.08.2018 / 10:21
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Create Custom List in Android Studio

I'm doing an app with Android Studio and Java in which I want to show a grid in the following way. Is it possible to create a table as such? and if it is possible how can I do it?     
asked by 14.08.2018 / 23:32
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Does not enter the method

When running the program does not do what is in the method. I still do not find the error, I think it's something quite simple but I can not see it. Here the code public class Ejercicio5 { public Ejercicio5(){ } public static void Par (){...
asked by 14.08.2018 / 18:55
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I have an error when uploading an image to my DB the name takes it null

Servlet String nombre = request.getParameter("Nombre"); //String valor = request.getParameter("valor"); String img_producto = "imagenes/" + items.getName(); int id_categoria = 2; float precio = 2200; int stock = 10; String query = "INSERT I...
asked by 14.08.2018 / 21:38
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Help with .paint (g) and JTable

I have a big doubt. I want to use the .paint method to be able to save the whole window in an image, the problem is that the information that is inside of it is not painted, I explain: What I want is for an image to be created as (it is done...
asked by 14.08.2018 / 23:21
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Error story I try to deploy module to app engine

Holo I have a problem trying to deploy module to app engine I get this error but the app works perfectly on the local host without any errors I'm trying to follow this tutorial literally link In the local host works perfectly, what is the erro...
asked by 15.08.2018 / 15:54
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Failure in context path - Netbeans -Tomcat

I create a web application from 0 with all default values, with apache tomcat 8.5 server and immediately when the project is created I try to start it so that the index.html that is created by default starts, however this does not happen, the fo...
asked by 19.08.2018 / 05:32
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Control the storage of photos taken with the camera of the device

I am trying to use the camera of my device to take a photo but I see that the image is stored in 2 locations, this is my code: private void takePhoto() { nombreFoto(); Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);...
asked by 19.08.2018 / 19:22