Questions tagged as 'java'

Tagged questions
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How to fix cucumber.runtime.CucumberException: java.lang.NoSuchMethodException

I have a Maven project, in the IDE Intellij. I use Serenity and Cucumber and when executing the project I get the following: XXX Created runtime cucumber.runtime.RuntimeOptions@477b4cdf cucumber.runtime.CucumberException: java.lang.NoSuchMetho...
asked by 28.05.2018 / 18:05
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Data that is lost from the Oracle Database

We have a problem with an application from which we carry the maintenance and we have encountered the following problem. It turns out that we enter some values in a table, until then, we see them on screen and without problem. Once you exit the...
asked by 28.05.2018 / 18:29
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How do I open a window where I ask where you want to save a file?

There is some way other than a JFileChooser to open a window where you ask the user where you want to save a file     
asked by 07.06.2018 / 21:51
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AlarmManager or Service?

I am developing an app that plays a song on a certain date and time, it can be a day at different times so it does not always run on the same date, I created a method to load_date_date (); that I create an alarm with AlarmManager and then it is...
asked by 28.05.2018 / 10:12
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Spring-boot: run works but java -jar fails

I'm having a problem running java -jar. The application is an integration WS (exposes an endpoint whose operations call a third-party WS). The application worked correctly with http, but when the third party added its own certificate and forc...
asked by 28.05.2018 / 07:51
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Know the value of a certain digit of a multi-digit number

Hi, I'm a student of computer teaching and I'm watching java programming, they ask me for an exercise that asks me to determine the value of the first and last digit in a 3-digit number . Can somebody help me? How do I know the value of the thi...
asked by 29.05.2018 / 00:24
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FAILURE TO CALL METHOD

Simplify it to understand it and make it a little bit clearer. The issue is that with the alternative that I received, it still fails to call the method to add a bottle to a shelf .. Probe and I have the correct instance of the bottle and the sh...
asked by 29.05.2018 / 02:37
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Would you know if there is an API of this operation?

I have a project in mind, but I have a question, I would like to know if there is an API with zoom operation, and lateral movements like the Unreal Engine 4, I leave a video that shows what I want to say. < a href="https://youtu.be/vHj3fdLiLFE">...
asked by 27.05.2018 / 17:33
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JLabel on JFrame

I have a Minesweeper with a JMenu at the top and a GridLayout that is the Minesweeper, but I would like to add a JLabel at the top and I do not know how. I've tried it but it shows me below I leave code and photo. public Buscaminas(Contro...
asked by 27.05.2018 / 09:01
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No -tsa or -tsacert is provided and this jar is not timestamped

When generating the signed apk, it shows me this warning and does not generate the signed apk No -tsa or -tsacert is provided and this jar is not timestamped. Without a timestamp, users may not be able to validate this jar after the signer ce...
asked by 27.05.2018 / 11:42