Questions tagged as 'java'

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"OutOfMemoryError" error using Volley

I'm doing an application where I have a URL that returns a JSON, through the Volley library, I'm picking up the contents of that URL and turning it into string , this process runs every 5 seconds, after a certain period my application generat...
asked by 26.03.2015 / 18:26
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How to update JTable used data from a database? [closed]

I created in NetBeans a system of customer registration and movie registration (simulating a video store). I have 3 Java files: Rental (main), Client and Movie. In Client and Movie, I connect to the database, enter the values, everything cute. T...
asked by 13.05.2015 / 16:58
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RuntimeException (Android)

I want to put atendenteBalaoProdutoNome on side of AtendenteBalaoProdutoValor , like this: Todothis,I'vetriedthis:Attendant.xml<?xmlversion="1.0" encoding="utf-8"?> <merge xmlns:android="http://schemas.android.com/ap...
asked by 13.05.2015 / 22:12
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detecting movements using onTouchEvent

I found this method on the internet to detect motion, however I would like it when I move to the right executes a command ( example change the color of the button ), but I am having trouble implementing this code if someone knows Give me strengt...
asked by 13.05.2015 / 18:05
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How do I make one image not go over another?

Alright? I have a code where I can move several images with the mouse but when dragging an image it goes over the others. I want to move it without going over it. Follow the codes: package br.com.example.teste8; import android.app.Activity...
asked by 12.05.2015 / 23:48
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Reporting problem with JasperReports and Chrome

After the last update of Google Chrome some reports from my web application simply do not appear. I activated NPAPI on Chrome but it still did not work the report. Is someone having this same problem?     
asked by 20.04.2015 / 16:07
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applet java application

import java.awt.*; import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.FlowLayout; import java.awt.event.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import javax.swing.ev...
asked by 19.04.2015 / 15:43
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Tool to Measure Java Software Performance

I would like to know if anyone knows of any tool to measure d esempenho de um algoritmo . I'll give you an example: I have two sorting algorithms, and I wanted to measure how much tempo , memória and etc ... each one spe...
asked by 07.06.2015 / 02:11
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How to use Microsoft Z3 in Java?

I'm doing a job where I need to integrate Microsoft Z3 into java Does anyone know how to do this, type a step by step?     
asked by 07.06.2015 / 16:38
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Error NullPointerException [closed]

I have a program that performs biometric authentication in two versions: 1) The user selects the binary file via javax.swing as follows: public class Busca extends javax.swing.JFrame { ... java.io.FileInputStream fis = null; fi...
asked by 04.05.2015 / 18:12