Questions tagged as 'java'

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Error connection to Java database, Driver jdbc MySql

The error is that when executing the program the driver is not recognized, launching the error: java.sql.SQLException: No suitable driver found for jdbc:mysql//localhost:3306/comercializadora public class conexion { private static C...
asked by 25.11.2018 / 23:49
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Problem Thread Synchronization

I have a problem with the synchronization of threads in java, I comment. I am trying to make a program such that I have an array of threads and I execute them all at the same time and whose only function is to move the position of a JLabel as...
asked by 25.11.2018 / 21:53
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Is it possible to call a java class to javascript or html?

I have a project in TDD in java language, the issue is that I'm now doing a web application in netbeans and I wanted to know if you could call those classes. Take my web project.     
asked by 05.11.2018 / 21:10
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Recalculate the largest number of minuscules in a String list

I am trying to find the string with the largest number of lowercase letters in a list recursively. For some reason I can not find more than StackOverFlow errors. Could someone tell me what's wrong? I think I'm covering the base case and...
asked by 05.11.2018 / 16:24
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Update JTree

To see if you can help me, I'm doing a small explorer to list a specific directory, I need to know how to get a button or without a button to update, that is, if I add more files in that directory. Do not have to close and reopen the applicati...
asked by 05.11.2018 / 11:21
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jvmti error thread_not_alive

When starting an application on Android, the following message is displayed on the console:    E / StudioProfiler: JVMTI error: 15 (JVMTI_ERROR_THREAD_NOT_ALIVE) Could someone help me by indicating what it means?     
asked by 05.11.2018 / 14:29
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Open Profile Firefox with Selenium 3.0

Open a Firefox profile, start a web page in the browser. I have this code that works for me to open firefox and go to the page but it does not do it in the specific profile. Could you please give me a help, I have exhausted all the tutorials....
asked by 05.11.2018 / 17:59
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Access another directory outside of my web server jsp payara

I hope and you can help me I need to access a video that is outside the folder of my java web application project to a path that would be "/home/jorge/upload/prueba.mp4" to play it, I've searched everywhere and I see that there is a configuratio...
asked by 04.11.2018 / 12:31
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Problems with raising Search window in JAVA

I have a ABM People screen (JinternalFrame). One of the fields on the screen is "City". In the same one when pressing F3 I call a generic search screen ( Jframe ) in the following way: if(e.getKeyCode()==KeyEvent.VK_F3) { Buscador...
asked by 03.11.2018 / 14:25
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Abstract class declaration problems

I'm trying to create the next hierarchy. I have an abstract class called person in the following way. public abstract class Persona { protected String nombre; protected String apellidos; protected final String dni; public String getNombre()...
asked by 02.11.2018 / 17:15