Questions tagged as 'java'

Tagged questions
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Creating Grails Project in Intellij

I'm having trouble creating a Grails project in Intellij. I tried with several versions, 2.4.4, 2.5.0, 2.5.6 and all the same error occurs when sending the run-app command:   Running Grails application   Error occurred during initialization o...
asked by 27.04.2017 / 20:07
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How to record a student's grades using arrayList

I need to add notes to certain students (each student has several notes and each note belongs to a subject), however as I am using arrayList and I have little knowledge in java I am well lost in passing parameters and how to add new values using...
asked by 27.05.2017 / 20:49
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JSONException error

My code does a get via book ISBN: final Button btnBuscarCEP = (Button) findViewById(R.id.btnChamaBuscaCEP); final EditText editTextCep = (EditText) findViewById(R.id.edtCep); btnBuscarCEP.setOnClickListener(new View.OnClickListener()...
asked by 28.05.2017 / 18:45
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How do I add an event to an icon?

I wanted to make clicking on an icon possible to open a screen, perform any action and so on. I wanted to put different formats, so I do not use a JButton . For by passing the image to him, he continued "rectangular". More, if there is...
asked by 27.05.2017 / 05:10
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Get text from scene builder to create account screen

How do I get text from the FXML file? FXML file field: <TextField fx:id="usernameSU" GridPane.columnIndex="1" /> Controller file: public class signUpController implements Initializable { @FXML private TextField usernameSU;...
asked by 27.05.2017 / 19:12
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"Unfurtunately, Stealth has stopped" FATAL EXCEPTION: main

Regardless of the change I make, I still have no solution to this problem. The android emulator continues to appear on msg "Unfurtunately, Stealth has stopped". Being that on Main does not present any errors, but in the execution of FATAL EXCEPT...
asked by 27.05.2017 / 19:54
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After the validation method is true, how to cancel the sending of the data to the bank?

I have the application already done. The class Produto , ProdutoDAO and a validaProdutoPorDescricao() method JButton btnCadastrarProduto = new JButton("Cadastrar"); btnCadastrarProduto.addActionListener(new ActionLi...
asked by 14.03.2017 / 01:29
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Separate words using split

I wanted to print only words that have : up front Example: Coisa1:kit1:Coisa2:kit2;grupo;grupo2;grupo3 would only appear: Coisa1 kit1 Coisa2 kit2 public static void main(String[] args) { String s = "Coisa1:kit1:Cois...
asked by 13.03.2017 / 02:05
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shell sort inverse java

asked by 08.04.2017 / 23:23
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JAVA - Google maps api recover distance of the line

I'm developing an app for android that uses google maps API, it's all right with the app the problem is in the webservice that handles the information gathered by the app, at some point I create a Polyline in the app and send the coordinates to...
asked by 08.04.2017 / 16:09