Questions tagged as 'java'

Tagged questions
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answers

Optimize BackTracking

Good morning, I'm trying to optimize this backtracking algorithm that takes me 400ms to execute. Any recommendations to improve the execution time of this algorithm? Test: public class Test { public static void main(String[] args){...
asked by 05.07.2017 / 18:59
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Unable to create class instance: Java ServerFace

I can not eject project tells me You can not create the class instance: my managed bean is the next one <managed-bean> <managed-bean-name>man_articulos</managed-bean-name> <managed-bean-class>control...
asked by 05.07.2017 / 02:50
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Calling a SOAP service from a server that uses REST in JAVA

Good morning. I have an application in JAVA that has defined Rest services and I want to consume within this application SOAP services, this is possible ??? That is to say when making a GET request to the URL link my application internal...
asked by 05.07.2017 / 02:12
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Problem with JTextArea when printing

I have the following code that writes a text in the JtextArea, waits 3 seconds and deletes it. My problem is that the code does not get to write the first text. bb.addActionListener(new ActionListener(){ @Override public void actionPer...
asked by 11.07.2017 / 12:22
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get file location taking uri

I have implemented the following code to locate a file, and everything works fine until I select with the selector that brings the Android, which then returns null. public void selectFile() { Intent chooseFile; Intent intent; ch...
asked by 11.07.2017 / 16:01
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Do not delete in database

This is my code, there is no error but deleting does not delete me in the phpmyadmin database. int fila = tabladatos.getSelectedRow(); String sql = "DELETE FROM clientes WHERE Id_cliente = ?"; if (fila >= 0) { try {...
asked by 11.07.2017 / 14:36
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WebView very slow on Android

In my Android application I'm using a WebView , but this is very slow for some content so it stops being useful. I have tried to update the WebView of the testing device but it has not contributed anything. I have also tried the fol...
asked by 06.07.2017 / 09:10
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jaxws-maven-plugin error in java 1.8

I'm trying to make a client for a very simple Web service, a sum of 2 values, but when I try to use jaxws-maven-plugin with java 1.8 I skip a error in the POM and I am not able to solve it, I hope you can help me. Invocation of com.sun.to...
asked by 06.07.2017 / 16:16
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unresolved socket address

Good, I have made a class that makes a http connection to a url to download an excell file to a local directory. This class in a main method works fine but at the moment I transfer that class to a method in SAP Netweaver Developer Studio it is g...
asked by 06.07.2017 / 16:03
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how to delete emails from a POP server

guys how I delete emails from a POP server. I have this code which works in IMAP but POP does not delete MessageIDTerm[] toDelete = maildb.getMarkAsErased(); if (toDelete.length>0){ inbox.open(Folder.READ_WRITE); Message[] mm = inbo...
asked by 07.07.2017 / 19:52