Questions tagged as 'java'

Tagged questions
2
answers

Procedure sql server 2012 + java

I want to structure an INSERT using JAVA in the same way that the INSERT is structured in VB .NET. Here's the code in VB .NET: Const _spName = "dbo.MEJT_SP_CAD_PRODUTOS" Public Function IncluirProduto(produto As MEJTProdutoEnt) As Integer...
asked by 16.10.2017 / 22:35
1
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How to make a query in SQLite?

In my project the user must make a registration to enter, when putting the data name, email and password and when clicking on the register I would like to check if the email already exists, how to do it? I have a search method in a dao class,...
asked by 06.04.2017 / 20:41
2
answers

Authentication screen with SQLite

I have to perform the authentication of the user, but when I inform the user and the correct password it enters the menu screen, so far so good. The problem is that when I type a bad password or user, I want it to display a user not found messag...
asked by 17.05.2017 / 01:07
2
answers

Error returning response with search method

I'm having trouble trying to do a search on the bank and returning the response on the screen. This is my main class: public static void main(String[] args) { pessoaDAO ps = new pessoaDAO(); try { Pessoa pessoa = ps.pesquis...
asked by 29.03.2017 / 16:41
1
answer

How to create Local Date variable getter?

I have a class called Hospede , where I have the getData_entrada() method, which returns a LocalDate variable (new java8 API). However, when I try to capture this method, it always returns me ' null '. Detail: When I...
asked by 17.03.2017 / 15:16
1
answer

Create a graph from the values of a calculation

I have the following question, how can I make my chart dynamic? I have a graph, which is formed by two values, I want that according to result any calculation, it change / change its composition. As, for example, I made a simple calculation b...
asked by 12.05.2017 / 02:55
1
answer

Text to Speech Translation App - Android

Hello, I'm a beginner in android and would like to do a simple translator, where the user type anything and click on the button with the desired language to translate aloud, what would the translation algorithm look like in other languages? Follo...
asked by 11.05.2017 / 19:18
1
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NullPointerException error while executing java maven project

I created a Maven Java Application project and only created a layout of a screen. When I try to run, it displays the error of NullPointer , and I have not yet implemented any code other than the ones generated by IDE itself. What could...
asked by 07.03.2017 / 22:18
1
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Fill list of objects with SQLite data

I have an object of type Status contains the following attributes. idEstado (String), siglaState (String) And I have a table already populated in the database with the same attributes as above. But I would like to return all this data to a...
asked by 22.05.2017 / 14:23
1
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Insert divider line programmatically

How can I place a div line programmatically using java? The XML code is: <View android:layout_width="match_parent" android:layout_height="1dp" android:background="#ddd" />     
asked by 31.05.2017 / 12:42