Questions tagged as 'java'

Tagged questions
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Java Search Box

I'm creating a system in Java using NetBeans. I would like to create a search box that shows the results in a list (of variable size) under the box as the user enters the text to be searched. It would be something similar to the Google search bo...
asked by 27.12.2016 / 19:15
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Add functions to graphic application buttons

I'm having trouble putting functions for buttons in java. Can anyone help? Follow the code: import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Insets; import javax.swing.JButton; import javax.swing.JFra...
asked by 02.10.2016 / 22:14
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App stopping while using the Location API

This code would be used when the user pressed a button, its latitude and longitude were found and later sent to a server. But the app crashes when it starts, remembering that I got this code from a post here in SOpt. The error you give is thi...
asked by 19.09.2016 / 20:46
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Problem in printing a vector

Personal I have a basic problem that I can not understand the error: Proof Class: public class Prova { public static void main(String[] args) { Vetor lista = new Vetor(); Scanner scan = new Scanner(System.in); int codigo, ida...
asked by 10.09.2016 / 01:36
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Decrease a base64 [duplicate]

How do I decrease a base64 size without decreasing quality? I'm having a problem with this code because it's too big and it's not saving in the database. How to decrease? Bitmap thumbnail = (Bitmap) data.getExtras().get("data"); Byte...
asked by 26.07.2017 / 18:59
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Generate values dynamically in a table

I am listing the number of devices saved in my system in a table, but they will not always have saved equipment, I can have an empty table, or im incomplete. What I need is to list the lists in that table. My table can have 5 or 10 values, ie al...
asked by 26.07.2017 / 22:06
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How to create the docker file of a maven java SE program?

Actually I wrote a maven java SE application using netbeans and made a CRUD for some entities that are persisted in the bank through JPA. I would like to know if it is possible to run a textual interface of this program in DOCKER A web applicat...
asked by 12.08.2016 / 22:03
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Is it possible to open a particular PDF page?

public static void main(String[] args) throws IOException, BiffException { Workbook workbook = Workbook.getWorkbook(new File("C:\testes\teste.xls")); Sheet sheet = workbook.getSheet(0); int linhas = sheet.getRows(); File pdfFile =...
asked by 19.08.2016 / 13:45
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Calling Methods and Exception Catching

I've created three classes, an abstract class called Form, a Retangulo class that extends Forma and a programa class, which contains the Main method. My intention is in the "program" class to receive the "width" and "...
asked by 19.08.2016 / 23:50
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php undefinex index [closed]

index.html                                   Customer Registration <!-- Bootstrap --> <link rel="stylesheet" href="css/bootstrap.css"> </head> <nav class="navbar-default navbar navbar col-lg-12"> <div class="col-md...
asked by 13.10.2016 / 19:11