Questions tagged as 'java'

Tagged questions
0
answers

Duplicate file

I am making a registration for the class Dining and DiningRestaurant. To register Food Food items you have to register for Meal first. The problem is the data is being registered, but since I want to register multiple meals at the same time with...
asked by 14.01.2016 / 03:17
0
answers

Group items from recyclerview by item.time similar to facebook messenger

I'm trying to create behavior similar to what happens in Facebook Messenger, when sending several consecutive messages, so I created several background drawables with border radius different to be applied to recyclerview items an...
asked by 19.01.2016 / 15:52
2
answers

Operator "| "In Java

I can not find any material on the internet explaining the utility of the "|" operator in Java. I know there is the "||" (or) used to test conditions. if(foo == 'a' || foo == 'b') But what about the "|" operator? How useful is it? My...
asked by 29.09.2014 / 20:46
2
answers

Avoid opening more than one of the same JInternalFrame [duplicate]

I'm developing an application that uses JInternalFrame within a JDesktop . When I press the button, this JInternalFrame is instantiated and the window is opened, however, if I press the button again, it will open several di...
asked by 02.02.2016 / 17:16
0
answers

Bank Queue Management System

Hello everyone, I need a help, I'm learning how to program now, I'm developing a password system for a JAVA database-based queue with a Mysql database. Normal Password; Priority Password; Call in Password Claim Password Display (Form fo...
asked by 02.02.2016 / 14:40
2
answers

How to read multiple SoapObject from a WebService?

I'm trying to consume a Web Service in Java using KSoap 2 in version 3.4.0. When I do a search with no parameters it returns the expected result, but when I search by passing a parameter addProperty it presents the error in the line th...
asked by 24.02.2016 / 16:33
0
answers

SpringSecutiry and JNDI Authentication problem

I'm having an authentication problem when I add the datasource to my project, so when I try to sign in, authentication happens but not the transition to the post-login page. I use the custom UserDetailsService, get the connection to the bank, bu...
asked by 20.02.2016 / 19:20
0
answers

Sort GRID UI record from the filter

Hello, Thisimageonlydisplayedthedatathathas"S", but in addition to displaying it, I need to sort it from the search filter, ie in this case, the result would be something like: Sleeping / Basketball / Thermal. Does anyone have a tip or a...
asked by 04.03.2016 / 20:29
0
answers

Problems with user login

Today, I make my connection to the database using jpa . In my persistence I have 2 PU, one is to connect to my "Manager", which is where my database addresses are, and the other is to connect to the clients database. Until then I...
asked by 22.02.2016 / 00:41
0
answers

Error registering an RMI service

I have the following class which represents a service: public class HelloImpl extends UnicastRemoteObject implements Hello { protected HelloImpl() throws RemoteException { super(); } @Override public String sayHello()...
asked by 19.02.2016 / 17:41