Questions tagged as 'java'

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Mapping an JAXB To Oracle Type [closed]

I created a web service in netbeans from wsdl. for a complex type a custom java class (JAXB) was created, I need to pass this value to an oracle type in a procedure This is my code public static Clob select (HeaderReq hdReq, String ut...
asked by 11.03.2018 / 00:46
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FromJson Gson error

I am trying to download a JSON for later, using the GSON library, parsing it using the respective java class Answer.class: I try to download the JSON from the link: String link=" link "; I am using the following syntax in the activity.class afte...
asked by 11.03.2018 / 01:36
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Print words contained in binary tree

Starting from the next binary tree, I should print the words it may contain on the screen, with a line break between them. I have obtained functions like going through all the nodes to add their content or simply count the nodes, but I...
asked by 18.02.2018 / 17:59
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How to get an answer as input stream in Volley

I am developing an app where I use volley, my app is sending and receiving zip files, the problem is that my method of decompressing the parameter that I expect is of the input stream type and the onResponse of Volley returns the response as byt...
asked by 08.02.2018 / 23:59
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Specify time zone in log outputs

I am developing a project in Kotlin and Spring and a question has arisen with a log and the time zone used. We use LoggerFactory to write to the standard output information about the events (an event log) but the The time it shows is not adequ...
asked by 31.01.2018 / 20:40
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Simple list within another list?

Good! I'm doing an exercise where I have a simple list of objects and I want to add another list to each object in that list, either single or double? for example: public class Lista_Simple { Nodo Primero; int Longitud; frmEstudian...
asked by 31.01.2018 / 20:14
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How to save entities dependent on others with JPA (Java Persistence API)?

I am currently developing an api-rest with spring-boot, whose services will be called from an application in angular, the SQL server is being used as database manager. I have the following tables: I am capturing the data of an insured,...
asked by 31.01.2018 / 20:46
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Launch commands from Java

I try to launch a command in Linux with Java with sudo and I can not find the way. I tried the following, but ... even though from the terminal it works, since the execution of my program it does not. public Boolean activarServicio(){...
asked by 30.08.2017 / 19:54
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doubt transactions between different objects java

I am trying to develop a small example of what I understood about object-oriented programming with JAVA, but I have a question, I have two objects: PROCESS AND REQUEST the procedure has a relation with request, I have a method in which it is cal...
asked by 30.01.2018 / 23:27
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How to implement MVC in Java?

I am studying about MVC, however I have doubts about its correct implementation since I see everywhere that it is done differently. Now, what I do is the following: 1- I create the DTO that represent my tables in the BD. 2- I create the...
asked by 30.01.2018 / 00:38