Questions tagged as 'java'

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Problem of importing an eclipse project to intellj

The problem I have is that they sent me an eclipse project and I imported it into intellj, the problem I have is that I do not care about the packet ticTacToe.utils and the same thing happens to me when I import it to eclipse.     
asked by 05.05.2018 / 13:35
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Update row in TableView - JavaFx

My problem is that I have an interface of a store's point of sale, where I want to add several times a product in my TableView but it does not repeat itself, as I show in the image, I want to achieve that by adding the amount of two and then add...
asked by 06.05.2018 / 01:00
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The project disappears when entering netbeans again

The problem I have is that when I create a new project in netbeans and paste the classes already done in the project folder, it only appears in netbeans while it is open, if I close it and reopen it the project disappears. Another problem I h...
asked by 06.05.2018 / 01:24
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Error JTable getSelectedRow ()

I'm doing a project for class with a graphical interface. Well basically it shows the information in a JTable, then I should select a single row and press a button to perform an action on the data I have in the table. Well when I call table.g...
asked by 05.05.2018 / 00:04
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Comparable Interface in Java Error

I have a problem with understanding the interface Comparable . The application by console consists of printing the respective objects and comparing which is the most expensive and cheapest product. The problem is that I do not understan...
asked by 04.05.2018 / 23:33
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Java, Spring Security: How to configure Spring Securiry to allow requests with certificates .x509 (.pfx)?

I have an application with Java and Spring Security in which the user must log in to be able to make any request. Now I want that for a particular request, I can access through a certificate (.pfx). My question is, how should I configure in Spri...
asked by 07.05.2018 / 22:18
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implement a side menu to a project previously carried out

how are they? I have the following problem and I inherited an app a while ago (without knowing how to program in android) and they asked me now that they want to change the design of it. To something similar to this, where the orange pa...
asked by 08.05.2018 / 01:48
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JAVA know if a Puzzle n X n has a solution

I would like to know how to make a code that lets me know if a puzzle n xn (in which I generate random positions [and leave a picture of the game]) has a solution, so I saw not all the different possibilities of generating A puzzle has a solutio...
asked by 07.05.2018 / 23:05
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increase the number of users for this program

I have the following code which is only for a single person to register, the question would be how to do it so that at least 2 people can register in this program and the data of each client is stored. import java.util.Scanner; import java.uti...
asked by 15.05.2018 / 22:27
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Illegal hour value '58' for java.sql.Time type in value

I have a doubt with this problem apparently when doing the select and doing the operation with the method TIMESTAMPDIFF of MySQL I get the following error: java.sql.SQLException: java.sql.SQLException: Illegal hour value '58'...
asked by 04.05.2018 / 08:18