Questions tagged as 'java'

Tagged questions
1
answer

Java createNativeQuery Insert datetime

I'm trying to do an Insert in a database whose dates are datetime2 (7). SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); Query u = em.createNativeQuery(insert); u.setParameter(1, sdf ); This is giving the following e...
asked by 21.05.2018 / 20:11
0
answers

Pass values from the gridView to the editing activity

Please, who can help me I am very grateful I'm having trouble passing the value of the radioGroupOptions to the edit screen. // Abre a tela de cadastro/edição com os registros para edição. gridView.setOnItemClickListener(new AdapterVie...
asked by 10.05.2018 / 16:11
0
answers

How to convert from scriptlets to JSTL?

How do I convert this code into scriptlets for JSTL to make it more readable? JSTL default if did not work Code: <% String emailProfessor = request.getParameter("emailProfessor"); String senhaProfessor = request.getParameter("senhaProfessor...
asked by 12.05.2018 / 21:57
1
answer

"android.view.InflateException: Binary XM file line" at the time of changing activity

I'm currently developing an Android app and I'm having a problem that ends up making my program crash from the moment I click the "SignIn" button. The App has no problem at the time it reaches the main activity, but always crashes when the bu...
asked by 12.05.2018 / 21:56
1
answer

Checking for the existence of an object in an arraylist

I have a class PessoaFisica and a class PessoaJuridica , both inherit from class Cliente , whose attribute identify is the code. I am creating a method to check if the element already exists in the list (checking the code),...
asked by 13.05.2018 / 01:01
1
answer

How to implement Abstract Data Type?

Good night, I need to do a TAD point implementation, I'm getting to do in Python, but the problem is that it should be implemented in Java and I have no idea how to get started. import math class Ponto(object): def __init__(self, x=0, y=0):...
asked by 09.05.2018 / 05:32
1
answer

How to use Files.move with Java?

I created a photo upload on my system, these photos are saved in a temp, I need to move them to a default directory, other than temp. This is the method that creates the directory: public FotoStorageLocal() { //Versao MAC //this(get...
asked by 09.05.2018 / 02:47
0
answers

EclipseLink - Merge updates columns that have not been changed in the database

I've been using Eclipseelink in my project for a long time, but today I came across a problem, and I can not solve it. The problem is this: at first I search my "Function" object in an instance of my program, after that in another instance I l...
asked by 09.05.2018 / 14:52
1
answer

Where in the list with recyclerview

I need to get the position of an item in the list where the code is what I went through. In C # I do this as linq, how to do in java? public void onBindViewHolder(final LineHolder_Entidade holder, final int position) { Context holder_C...
asked by 08.05.2018 / 15:45
0
answers

How to change a borderPane of a controller in another controller in javaFX

I'm having trouble trying to change the BorderPanel Center of my project in javaFX. In the code I call a function that is in the Side-Menu controller to change the Main, but whenever I do this the following error occurs: "Exception in thread" Ja...
asked by 07.05.2018 / 22:07