Questions tagged as 'java'

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how do I "modify" in netbeans interface without a database?

I need an internal frame to modify a "add client", they are different classes and I do not know how to call the saved data in adding client, thanks ... private void btnGuardarClienteActionPerformed(java.awt.event.ActionEvent evt)...
asked by 02.12.2018 / 02:08
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How do I create selection groups with a JComboBox Java

How can I do in Java selection groups with a JComboBox, as seen in the image, in which the titles of each group "are the ones that are in bold" can not be selected, nothing else would let you select the options of each of these groups "Those who...
asked by 30.11.2018 / 17:14
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javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found

Very good: I am developing an app that should send an email to a contact account. I tried to do as I put it on the internet but I can not get it to work, besides when I run it, the app does not fail me but it does not do what I need. The code is...
asked by 03.12.2018 / 09:45
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How to send two objects through a client / server socket? JAVA

I have a small problem regarding the serversockets issue and it is that I want to send two objects through socket to the server from the client class which contains two integer variables to make a sum on the server and to return the response. I...
asked by 03.12.2018 / 00:14
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Help with exercise in android studio?

What happens is that in this exercise, I have to enter an hour of entry to each specific query (either with a doctor of general medicine, dentist, dermatologist, etc.), after that I have to add the minutes that I Delay in each query and the resu...
asked by 03.12.2018 / 17:54
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When executing the code, it asks me to name the players. I want the names to appear on the panel, any ideas?

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swin...
asked by 07.12.2018 / 06:08
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Problems with Sms Receiver Android Studio

I have a strange problem since the SMS Receiver is ignored by phones of the Samsung brand (I tested it with the Note 8 model and another one that I do not remember what it was). What happens is that these phones when they receive a message is as...
asked by 07.12.2018 / 01:47
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ERROR: java.sql.SQLException: Column count does not match value count at row 1

Help! This is my code I need to enter data in Netbeans and that the information entered appears in SQLyog     
asked by 29.11.2018 / 23:53
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java.util.InputMismatchException are ScannerInt

Good post this because even though I have solved it so that it looks good I do not understand why it gives me. I hope you can help me, I have the following code. package com.example.ejercicio1; import java.util.Scanner; class Ejercicio1 {...
asked by 30.11.2018 / 10:34
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Error with builders in java

Hello please keep in mind that I am starting in the world of programming. I have this error with the builders (not suitable constructor found for), in the Scale and the Employee one Escala Es = new Escala(ediEs, antiguedadLaboralEs,nive...
asked by 28.11.2018 / 17:01