Questions tagged as 'java'

Tagged questions
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INFO: Error parsing HTTP request header

When submitting a form, I was testing how much information I can send via HTTP. I am using Mysql DBMS. I have an application that runs several fields of type textarea. Example: a form with 10 textarea (I use a field limiter to validate the am...
asked by 29.04.2017 / 23:57
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Executing Expected Class When Starting Web Application

I have a class that would need to be run along with the web application every time it started. I would upload the application to the server and this class would need to be executed. This application is running on Wildfly, and is also using Sp...
asked by 17.04.2017 / 15:38
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Problems in the Api Youtube code - Import class

Good evening! I'm trying to do a search using the youtube API, however I'm having difficulty referring to a class: "com.google.api.services.samples.youtube.cmdline.Auth;". I'm not finding it on the internet. I ask for help in finding this cla...
asked by 17.04.2017 / 01:43
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Refresh row after Datatable event after CellEdit primefaces!

I'm updating a datatable cell, it has 3 columns, description, current price, and old price. I can normally call the bean to make the change and save in the bd. But I can not update the record in the datatable. I can not update the "row" of the c...
asked by 17.04.2017 / 15:15
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Stop processing in java

I have a processing with one class calling another. Example: I have the registry0100 . In it I call ED022 , ED021 , etc ... In this ED022 , I have some validations, for example: boolean achou = false; if (modulo.equals("2")) {...
asked by 18.04.2017 / 01:44
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refresh list view after audio

I am trying to refresh my list of songs when I record an audio, but it is not working, could you help me? public class MainActivity extends AppCompatActivity { private Button mRecordBtn; private Button mAtualizarBtn; private TextView mRecordL...
asked by 21.04.2017 / 18:33
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Differences between using typecast and wrapper class?

Hello, the activity proposal would show how many years the user would have, I wrote my code first so I could compare it with the teacher, it turns out that my first line was much smaller than the teacher. This is my code: int an = (int) txt...
asked by 22.04.2017 / 05:05
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How to optimize a power loop of 2 ^ n and (2 ^ n) +1 in java?

Good, I'm doing a job where I have to do tests on stacks, and the tests have to be done when I push and pop powers of 2 and powers of 2 plus one (1,2,3,4,5, 8,9,16,17, etc.) I have some code done: public static void testsForLinkedLists(int...
asked by 13.04.2017 / 15:46
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How to pass selected item between Activities

At the moment, I'm sure to make the item clicked on this screen link appears selected on this screen link     
asked by 20.04.2017 / 04:59
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Error with setOnTouchListener [closed]

Eae, I've been getting the second error while running an app on AndroidStudio /AndroidRuntime: FATAL EXCEPTION: main Process: com.example.vinicius.login, PID: 3519 java.lang.RuntimeException: Unable to start activit...
asked by 19.04.2017 / 19:45