I am new to Java environment, I’m trying to run a Coap server using Californium https://github.com/eclipse-californium/californium I cloned the git repo. then ran mvn clean install in the repo folder. I now want to run the hello world demo in californium/demo-apps/cf-helloworld-server/ what is the next …
Tag: eclipse
Building JavaFX Projects with JDK 11.0.2 and Eclipse?
I’ve spent too much time trying to find how to do this with. Tips for setting up a dev environment are what I am asking for, however I will start with what I tried so far. As I understand JavaFX was separated from the JDK after JDK 8, however, for an R&D project, I need to create JavaFX applications…
Unable to receive data out of api call with webclient
So I’m trying to get my head around the webclient, but I keep getting a nullpointerexception, though my test work fine and say that object is not null. I also see my console making connection to the api. But when I ask the value, I get null. Here are the two objects I use for it: and then here I
How to deal with warning ‘unsafe null type convertion’ when using java.lang.Optional
I would like to offer some accessors to a value-container (that is a java.lang.Map under the hood). When implementing accessors like this … ‘ofNullable’ is marked with ‘unsafe null type convertion’. Why is this? The parameter ofNullable is not marked as @NonNull. Is it, because e…
Variable returns null
In my project ,I need to pass the “price” value which is retrieved from the database in “Availability.java” to “display.jsp”.I have achieved it, but the problem is…. I also need to pass the “price” value from “display.jsp” to “seat.jsp…
Run Spring Boot Project with base directory – localhost:8080/demo/
I have setup a run configuration in eclipse but it’s running in localhost:8080 but I want it to run in localhost:8080/demo/ but it’s not working. I have attached the run configuration and application properties file can anyone help me to run spring boot project in localhost:8080/demo/ Answer I thi…
Why is my saved file not being used in game when I run it?
I am currently developing a simple 2D game that is like Minecraft in Eclipse Java. One of the features I am currently trying to debug is saving a generated 2D noise map into a source folder separate from the root folder called resources and then using that same file that was saved to generate the map that wil…
How to Validate Multiple screen using selenium with eclilpse?
I am new to selenium. I am validating two screens, Login and Password screens using selenium. The First screen is Login. If the username is correct then it will move to next screen that is Password. But in the Password screen the driver not putting the password into the input box, nothing is happening. It sto…
How to practise coding in java with eclipse without creating a new class each time
I am learning java. while i was learning C++ i used to copy codes from tutorial to code::block and play with it. but in java with eclipse i have to create a new class each time, so that it matches the code. is there a way so that i could copy past the code in eclipse and run it without
The constructor WebDriverWait(chromeDriver, int) is undefined [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 9 months ago. Improve this question WebD…