Questions tagged as 'java'

Tagged questions
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Help to compare Json objects in Java and get a Json of differences!

I have the following function that a Json generates with all the contents of a directory: public static void generateReport(File dir, JSONArray content) throws IOException, ParseException { File listFile[] = dir.listFiles();...
asked by 24.09.2018 / 20:26
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How can I get the selected data from an expandable list, and then load the children?

I'm making an expandable list, but I do not know how to get the selected item, to check if it has children or not, and can load them from the server. Any ideas on how to implement it. MainActivity ArrayList<String> parent; ArrayList...
asked by 30.08.2018 / 15:51
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Speech to text api google Mp3

I want to convert an audio to text, but the audio is in mp3 and it has a duration of one hour I'm doing it asynchronously, what can I do, I have my code in this way: public class PruebasSpeech { public static void main(String... args) thro...
asked by 30.08.2018 / 22:37
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Give read / write permissions to an applet

Good, I have a mini-project to which I would like to give special permission to my applet to read a file that is inside the server that contains it. I have seen that there are signatures to authenticate the security of the application and run...
asked by 22.07.2016 / 05:44
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Move bigjar with maven and Spring boot

When I develop a Big-jar with maven I move the jar from the target directory to a test directory using the following segment in the build: <plugin> <artifactId>maven-assembly-plugin</artifactId>...
asked by 16.07.2016 / 20:42
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Error creating a "Step" in Amazon EMR - S3DistCp

I'm trying to create a "Step" and put together many small files in one, so I can separate it for days. The problem is that I'm trying to execute it and it will not let me. Executing it by command works well for me: hadoop distcp s3n://buket...
asked by 14.07.2016 / 08:35
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Convert JSON ARRAY TO STRING

I have this method that is from a list of products public String ProductosFacturas() { float montoTotalf = 0; int productsize = ctPagar.getProductArraylistsize(onGo); //Crear Array de productos del carrito para pasarlos al serv...
asked by 24.08.2018 / 16:02
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JAVA - Change color button after a certain time

I'm doing tests for a project at my school where I came up with the idea of making a computer rental system, I want to do if I rent a computer at the end of the time the corresponding button changes but can add more time, for example , if they r...
asked by 22.08.2018 / 22:00
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JComboBox does not load with data

Cordial greeting. I am trying to develop a desktop application in Java and when loading the data from a JComboBox they do not appear. I am using a layered model. This is the DAO code: public static ArrayList<AbastosOpLog> LisAbasDisp...
asked by 01.10.2018 / 15:53
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WARN org.springframework.web.servlet.PageNotFound

I have this error when I want to run a java project with spring    WARN org.springframework.web.servlet.PageNotFound - No mapping found   for HTTP request with URI [/ utm /] in DispatcherServlet with name   'springDispatcher' I attach two...
asked by 02.10.2018 / 06:54