Questions tagged as 'java'

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Is it possible to return the values of a ResultSet?

Next, I'd like to: If the book is already borrowed from the bank, show to borrowers, and if not, allow the loan. So, if there was already this loan, I'd like to return this information to Control (who called it) and display it, because if I try...
asked by 16.06.2018 / 21:54
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Web Tracking Service Post Office

I have often read the manual for using the web crawling service ( link ) and I could not figure out how to get the username and password to gain access. Please, I am trying to understand and I can not.     
asked by 03.06.2018 / 03:04
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Instantiated object does not appear in function [duplicate]

Hello, I'm creating a Java project using Eclipse with the windowbuilder. Inside this project I own the JFrame with the objects, jbuttons, jtextfields, jformattedtextfields, etc ... I have all these objects in my project. It occurs that when I...
asked by 01.06.2018 / 17:37
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Remove objects that are linked to the list of others

I have a problem removing an object. What is causing: I have two tables - > PROCEDURE and SECTOR: I can create normal sectors, save, edit, delete and add procedures to the list of each sector created, until then OK. But my problem is that...
asked by 01.06.2018 / 18:39
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Error executing springboot default project

I'm trying to run the springboot default project that I purchased here . The project has the following dependencies: <groupId>br.com.fc</groupId> <artifactId>api</artifactId> <version>0.0.1-SNAPSHOT</version&g...
asked by 03.07.2018 / 19:07
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How to make a for in a tag script?

Well, I'm trying to create a page on my site that shows me the title, description, and location of the log of some occurrences. When I access the page, I load through%% all occurrences with their proper parameters. The occurrences are sent withi...
asked by 01.07.2018 / 03:43
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JavaFX - locked screens

All JavaFX screens crash when the server is powered on. I tried to use a task but it does not seem to work. The program works even with the screens locked but I would like to be able to access the interface while the server is turned on. I...
asked by 19.05.2018 / 21:36
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In this case below, the login attribute would not have to be set to private for the method?

I'm studying inheritance in Java in one of the exercises has the code below, I think, the login attribute would not have to be set to private for the method? public class Gerente extends Funcionario { private int senha; public void setSenha(...
asked by 19.05.2018 / 17:04
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Fill table with data typed in the JTextField, separated by commas

I have the code below a JTextField , where I wanted to enter comma-separated numbers, and that by clicking JButton , the data would be added in a table column. public class Dados extends javax.swing.JPanel { public Dados() {...
asked by 11.05.2018 / 01:16
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How to return the second lowest value in java?

How to return the second lowest value given a string (of indefinite size) of numbers in java? I have the code that returns the smallest value, which looks like this: import java.util.Scanner; public class SegundoMenor { public static void...
asked by 11.05.2018 / 19:22