Questions tagged as 'java'

Tagged questions
1
answer

Autocomplete with SelectEvent returns null object

I am using autocomplete and when I enter a field, it fills two other fields with the handleSelect(SelectEvent event) method alone. But these two objects in those fields are getting null at the time of recording. I debugged and saw...
asked by 02.04.2018 / 01:03
0
answers

Doubt getting TreeTable Id with JS

I'm trying to get the id of the first column of a TreeTable Primefaces with JS. But when I click on the corresponding line, I can get to the js function, but I always get only id 1, I can not get the other id's for the selected line. NOTE: If so...
asked by 02.04.2018 / 15:58
1
answer

Update values in an array while keeping elements already modified

I'm creating a game board, using an array of 2d array. During the game the players hit or miss and this has to be printed on the board. I would like to know how I can update the array without losing and that was printed previously. My first a...
asked by 06.04.2018 / 19:31
0
answers

How to avoid overlapping rows in recyclerview

My recyclerview is repeating and overlapping the results. cursor=Os.getCursorPecas();intiRow=cursor.getColumnIndex(DataBaseHandler.KEY_PECAS_OS_ID);intiId=cursor.getColumnIndex(DataBaseHandler.KEY_PECAS_OS_ID_PECA);intiName=cursor.getColumnInde...
asked by 06.04.2018 / 18:55
0
answers

Insertion, Query, with BD Class

Good evening. I'm developing a college work, which asked me to create a Student class, implement a graphical interface, with name, address, course options, choice list and etc, and make it quit, query, and save button. p> However,thequestiona...
asked by 07.04.2018 / 02:27
0
answers

What are Java Classes, Methods, Attributes, and Objects? [duplicate]

I'm learning java, and I came across some things like that, actually I'm learning alone on the internet, I just learned to perform the famous "hello world" and found it quite simple, but I read some things and talked things like attributes , m...
asked by 07.04.2018 / 17:17
0
answers

MySQL workbrench

Do not continue, to 99%. How do I continue the installation?     
asked by 07.04.2018 / 02:17
1
answer

Sort objects in json file (Java)

I have the following JSON file: {"idAluno":1,"nomeAluno":"Teste","listaDeTurmas":[1,2,3,4]} {"idAluno":4,"nomeAluno":"Teste","listaDeTurmas":[1,2,3,4]} {"idAluno":3,"nomeAluno":"Teste","listaDeTurmas":[1,2,3,4]} {"idAluno":5,"nomeAluno":"Teste...
asked by 09.04.2018 / 18:27
0
answers

How to implement a search field for reading inside a PDF?

I need to implement a search tool that can locate words within a pdf that is in PdfView. The APP I am creating is a tool where you have legislations in pdf. I was able to implement the search tool (a magnifying glass that appears in the menu)...
asked by 09.04.2018 / 14:26
0
answers

Reading the nodes from the firebase

I need help solving this function, I have a database where I store data. The Patients node has one child, who is their responsible nutritionist and each nutritionist has their children where I used the push method to store patient data. The pati...
asked by 06.04.2018 / 17:48