Questions tagged as 'java'

Tagged questions
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java.lang.IllegalStateException: Attempt to mutate in notification (JDateChooser, JAVA)

Good morning! I am creating a replica of a program written in VB.NET in JAVA as a practice. I'm having an annoying problem and I could not exactly identify why it's caused ... you see, I'm using some libraries downloaded from the following so...
asked by 24.10.2016 / 20:37
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ERROR TO CORRECT MY PROJECT (Error: A JNI error has occurred, please check your installation and try again)

When I try to run my test project (Selenium and testNG) I get this error: Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.NoClassDefFoundError: com/beust/jcommander/ParameterEx...
asked by 29.09.2016 / 18:19
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how to make a call with a predetermined number or name?

I want to make a call and that the person who receives it appears another number to the current one, now that I only make the call, I need to pass as a parameter a name or number so that it appears to the person receiving the call, currently thi...
asked by 04.10.2016 / 01:00
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I can use the scanner class to read binary files

I do not know if I can use it or not, can I use the Scanner class to read binary files?     
asked by 03.04.2017 / 11:06
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BufferedReader class of java

It turns out that I made a program where you get a String String or a text file txt where I should take it the occurrences of each word found within the text or string and also take the occurrences of punctuation and question marks, excl...
asked by 02.04.2017 / 21:43
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Replace a route with regex. Error: "character to be escaped is missing"

I have a program that detects every time a new file is created, and I want to copy that file to a new location. My problem is that I do not know how to do to remove the piece C:\Archive and delete it for the new location. ruta = ruta...
asked by 22.02.2017 / 20:11
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Apache tomcat spring mvc webapp file upload

I am creating an application with Spring MVC, in which users upload files, I understand that the files can not be located within the project since this would make my .WAR file very heavy and these files would be lost if I re-deploy the applicati...
asked by 02.03.2017 / 06:41
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How to pass numeric values for command line arguments to a JComboBox?

How about, first post here and I would like to know if you could help me with this question. I have to make a calculator through JComboBoxes in Java and what I need to do is pass numbers to perform the operations, by means of arguments in the co...
asked by 01.03.2017 / 00:30
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Is it possible to save data in a mysql database using a method?

Hello community, I am an apprentice in java programming and I would like to know if it is possible to register to bd MySql using a public string method, adding the property of the data to be stored in a bd MySql, sorry for the question...
asked by 07.10.2016 / 04:17
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Replace full (almost equal) words in Java

I am writing a program and I need to replace some words with others, but sometimes the words can be similar. Words do not have spaces, and they are always complete words. Example: String[] palabrasAcambiar = {"pan","pan2"}; String[] valo...
asked by 12.10.2016 / 09:41