Questions tagged as 'java'

Tagged questions
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Record decimals in a mysql jsp

I would like to register a data that is in decimal (15.2) that is in mysql in a jsp which does not let me register. This same data if I can modify it in another jsp but register as new I can not. this is the code I have in register: Custom...
asked by 26.10.2016 / 14:31
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Servlet: sendRedirect () does not work when queried from the browser bar

I have a Servlet that responds with a sendRedirect() when there is a query GET by the browser. In case there is one, the user is redirected to a second Form .  The problem is with the security of the application. If I...
asked by 23.06.2018 / 19:53
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I would like to condition the dependent combobox so that it shows certain data of the database and not all of the selected table [closed]

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asked by 20.02.2018 / 18:00
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Duda Activitys Android

I'm looking for advice because I do not know how I can handle my problem and I would like to know your advice to find out how to deal with it. I have a Grid view with several buttons, these buttons launch different fragments or activitys, dep...
asked by 12.12.2018 / 10:49
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how do I make a pile of objects in java? what I want to put is identifier and color

* and open the template in the editor. */ package com.lcda.pila.modelo; /** * * @author geovanny9596 */ public class Plato { private String identificador; private String color; public String getIdentificador() { return...
asked by 03.10.2018 / 01:48
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Apply motion to RectF Canvas Android

Hi everyone, I hope you are well, I am new working with canvas on android and I have the following problem. Create two RectF to do a test @Override protected void onDraw(Canvas canvas) { mRectSquare.left = 0; mRectSquare.top =...
asked by 23.10.2018 / 12:50
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Problem sending objects by Java socket

I have to create two client-server applications to send a person type object from the server to the client. The problem is that reading it in the client gives error because it has not found the class. I put the code, the truth that I do not give...
asked by 11.05.2018 / 07:43
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Connect java and javascript [closed]

You can inform me about how to pass variable values between java and javaScript, as well as how I can call java methods from javascript Thank you very much for your help.     
asked by 31.05.2017 / 12:56
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Add an item of a spinner inside a table and show information of spinners depending on one previously selected

What about guys, I hope you can help me, I have 3 spinners and I want the information that shows spinner 3 depends on spinner 2 and spinner 2 depends on spinner one. After selecting the third spinner, click on the button and add informatio...
asked by 09.05.2017 / 17:51
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Show students assigned to a JAVA group

What do I need to do to show a list of students assigned to a group?     
asked by 19.10.2017 / 16:38