Questions tagged as 'java'

Tagged questions
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How to convert UTF String to ANSI and Create text file in ANSI on an SSD?

I wrote an application on Android using Java, so users can answer questions, which are then saved to a file. The problem is that this file is saved in UTF8 . The end user will open this file in IBM SPSS which is a Windows applicatio...
asked by 13.02.2014 / 03:11
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I can not initialize Tomcat on Netbeans

When I started Tomcat in Netbeans it gave the following error: Using CATALINA_BASE: "C:\Users\chrissian\Desktop\Todo sobre o JAVA\Tomcat\apache-tomcat-7.0.63" Using CATALINA_HOME: "C:\Users\chrissian\Desktop\Todo sobre o JAVA\Tomcat\apache...
asked by 30.07.2015 / 02:25
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Help in Get List (Code Refactoring)

I have a class with 2 attributes: public class Classe(){ private String conteudo; private String tipoConteudo; getters...setters.. } So I have an ArrayList with 3 or more objects of this class, how do I on a line a get of a s...
asked by 21.02.2014 / 12:03
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How to set the time for silent mode

I have a school time app and have the option to silence the device for the time stipulated by the user. However there is only the option to enable and disable the silent mode, how can I do this automatically according to the selected time and th...
asked by 25.02.2014 / 02:06
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Clients do not communicate in the same multiplayer game in Java

I'm trying to make a simple multiplayer tank game by implementing chat. The game and the chat are all ok! However, I can not get 2 clients to see the same object Arena . In this case, each customer joining creates a tank in the arena. H...
asked by 13.11.2017 / 06:23
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Doubts in creating my App

I'm creating an App and I'm having some questions, I'm a beginner in Java and Android and some things I have no idea how to do. I need to create a way, to show customers on the screen the "vendors" that are around when they access the applica...
asked by 25.11.2014 / 22:46
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How to count the frequency of each letter in a string?

I need to count the relative frequency of each letter in a string (letters only), without considering spaces, not case-sensitive and without differentiating accented letters. I was able to create a code that does more or less that, but the progr...
asked by 29.11.2014 / 01:38
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JavaFX Threads Update UI and load System in the background

I have a Stage Principal that is my Login: In%ofthisstageIhaveaFXMLandaRegionwiththeProgressIndicatorpropertyAftersuccessfullyloggingintotheapplicationtheintentionwouldbetodisplaythissetVisible(false)andRegionwhileathreadstartedtheappl...
asked by 22.11.2014 / 02:41
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Error "Decode error - output not utf-8" in Sublime Text

I've looked at various sites, several questions (including in stackoverflow itself) I searched a lot and could not get the Sublime Text 2 error yet:    [Decode error - output not utf-8] ; Save with Encoding -> UTF-8. My JDK is...
asked by 30.11.2014 / 01:18
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WebRTC JavaScript with Java / PHP server

Does anyone have any examples or documentation, how to create a WebRTC client (browser), using a Java or PHP server to make a handshake between them? I can not use node.js, and the documentation I find is getting some information from the nod...
asked by 10.03.2014 / 19:28