Questions tagged as 'java'

Tagged questions
2
answers

How does creating an Array work?

When using the new() command to create any object, we call the constructor of that object's class and get the reference to the created instance. However, what happens when creating an Array? Where do you point to (I know this term is i...
asked by 14.03.2016 / 13:11
1
answer

how to convert a string request.Parameter to integer [duplicate]

In a program that I have to do I came up with this difficulty Familia.setSalariodoPai(request.getParameter("salariodoPai")); But this request is returning a String and I would need Integer .obs this snippet is in a servlet doGet     
asked by 13.03.2016 / 06:25
1
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Execute actions from the selected item in JComboBox

I wanted to assign value to another class, whichever is selected in JComboBox . For example, if the "Active" item in a combo is selected I wanted to assign a value to a string of an external class if the user had put the combo item "Idle"...
asked by 13.03.2016 / 21:29
1
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Validate JDateChooser

I'm having trouble determining if the user filled in a date field of type JDateChooser , I'd like to do a validation to see if it's empty or not. I tried to do it by looking at the JDateChooser documentation, it did not work very we...
asked by 23.04.2017 / 07:02
1
answer

java.lang.ClassNotFoundException: javax.faces.webapp.FacesServlet

When trying to start my JSF application my return this error: java.lang.ClassNotFoundException: javax.faces.webapp.FacesServlet pom.xml <dependency> <groupId>com.sun.faces</groupId> <artifactId&...
asked by 02.10.2015 / 15:12
2
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Receive value of variables from other classes

A class that contains the variables and their values, and I need some simple way to feed the other class with those variables. For example, I have a class with the String urlPage = 'www.abc.com' variable. This urlPage can change...
asked by 15.10.2015 / 19:20
1
answer

How to run a program in java daily at a certain time automatically [duplicate]

Hello, I need to run a program in java daily at a certain time, I found some things about timer.schedule, but I'd like to see some examples, thanks!     
asked by 16.10.2015 / 14:31
1
answer

Would it be possible to convert a form to pdf?

Would it be possible for me to convert a form to pdf or print it? made in java, and are in a database as well.     
asked by 16.10.2015 / 00:50
2
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Import class that is not inside a project in eclipse

I would like to know if there is a way to import and instantiate an object from a class that is, for example, inside a folder in my files and not in a project within eclipse.     
asked by 10.03.2016 / 00:39
2
answers

Java error when inserting image into worksheet. Apache Poi

I'm trying to insert an image into a sheet using Apache POI, but I'm getting the following error: 03-03 20:21:50.898: E/SELinux(28413): selinux_android_seapp_context_reload: Error reading /seapp_contexts, line 16, name levelFrom, value contain...
asked by 04.03.2016 / 00:57