I am a novice in java, and I am trying to make a search-algorithm for this situation. I’m attempting to search through a set of 12 integers to find a value equal to 1, similar to this long if-else chain. However, in an attempt to clean up the code and learn new technique, I am attempting to employ a swi…
Tag: java
Jgit – checkout from a specific branch
I am using jgit. I want to create and checkout a new branch. I have seen the git.checkout.createnewbranch command. Is there a way to specify the base branch for the checkout, say “test” (or) we have to checkout,pull “test” first and then checkout/create the new branch from it? Answer Y…
make async call using native JS in GWT app
I have a GWT app in which I have to include an JS function. So I am using the native interface to use the JS function in my JAVA code. This is my JS function But the problem with this is when I receive the Promise response via response.json(), it is still in pending state, so it never goes to
How to set alert dialog box in android java? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 months ago. Improve this question How to set alert dialog box in android java? How to set alert dialog box …
How to convert PNG to JPEG losslessly?
I’ve converted PNG to JPEG with both java and python PIL. Python code : For converting the Java code I used: below code shows me the exact value of each pixel: When I convert JPEG to PNG with both Python and JAVA the pixel values are exactly the same. But when its the other way around it seems like ther…
I want to use GraphViz in Maven project, but it fails: “class path contains multiple SLF4J providers” [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 2 months ago. Improve this question I wa…
After upgrade to Spring Boot 3 Swagger UI is not accessable
I had a Spring Boot 2.7.6 app with Spring Security 5.7.5 running without problems: authentication works, I navigate through the different pages according to roles, Swagger UI is usable, etc. I don’t have a deprecated warning for your information. I migrated to Spring Boot 3.0.0 and therefore Spring Secu…
How exactly can someone without source code access exploit a non-final class that has a constructor which invokes overridable functions?
I’m trying to understand how exactly can someone that doesn’t already have access to the source code exploit a non-final class that has a constructor which invokes overridable functions (functions not marked final). This question comes from the fact that after scanning my source code with a Source…
Getting null value reference in One to Many mapping in Spingboot
I am trying to implement ONE-to-MANY mapping among two entities. In here designations have a location and a location have many designations. Once I added the designation it mapped fine, but it update the location table with null except id. Here I’m using the Microsoft SQL server. Application Properties …
Add unique elements in HashSet based on attributes of framework provided non-editable object classes
I am trying to generate a HashSet containing unique Employee instances. Uniqueness should be established based on the object properties. The problem is that I end up with having duplicates. Note that Employee class is provided by a framework, and it’s not possible to provide custom implementations for e…