I know I am supposed to make an action listener for each radio button and that seems pretty straightforward, but I am confused on how I would do that and then translate that to placing an S or O on the game boards given cell depending on what is selected. I think the more confusing part is being able to
Tag: java
Compilation error while merging two Maps is being issued for Map.Entry::getKey
Whenever I use Map.Entry::getKey in my streams for my public methods, I get an issue around my method not being static. I even tried making my method static, and it didn’t work. Below is the compile error I am getting from using Map.Entry()::getKey() : My code Answer The method arguments are of type Map…
How to create a list of class names and iterate throught the static methoc in it?
I have list of classes: List<Class<?>> = Array.asList(ClassA, ClassB, ClassC, ClassD); each of them has a static method staticMethod(byte[] bytes) How can I iterate through this list of classes and calling the staticMethod? Answer Represent your List like lambda expressions for your static methods…
JavaFX app overwriting files while being open causes exception
I have a runnable jar file (with a lib folder housing all the dependency jars). This is located on a network share which anyone that has access can run from. This works great except one huge caveat. If I want to deploy a new version of the software, I have to ask everyone to exit the application first. This i…
What is the difference between PropertyEditor, Formatter and Converter in Spring?
Working with Spring MVC it turns out that I can bind my forms in many different ways and I really feel like I’m getting lost. The parse and print methods of a Formatter are equivalent to those of a PropertyEditorSupport with a different name (getAsText and setAsText). Similarly, I can implement either a…
OpenAPI generator Java Client SE
I’ve an OperAPI like this, with content “application/x-www-form-urlencoded” that i must use (the external API to implement support only that): The OpenAPI Generator Maven’s plugin creates a request class “GenerateTokenRequest” for the schema object but in API implementation…
How to use Kafka with SSL via logback appander?
I use this logback appender to send logs to Kafka: https://github.com/danielwegener/logback-kafka-appender When Kafka was PLAINTEXT everything worked correctly. But when Kafka changed to SSL, it is not possible to send messages. I did not find the necessary information in readme.md. Has anyone had this setup …
Using links to static and non-static methods with interface
Why I can call non-static method length() from class String, but I can’t call non-static method lengthHelper( String line ) from my class ExpressionHelper? Answer String::length is an instance method of String. It requires an instance of String to run, which you are providing, because you are passing el…
How to create new array without elements in certain range?
So I have a first and last variable which is the starting and ending markers that I want to get rid of. So the starting input for example would be [5, 10, 15, 20, 25] And say first = 1 and last = 3. The would mean that the elements 10, 15, and 20 would not be included in the
How do I make a for loop ask a user for the same input again after an Exception?
So to clarify, when the program asks the user for number 1: if the user were to input a letter, I need the program to tell the user that there was an input mismatch, then ask the user for number 1 again. This needs to be achieved using only one single for loop, and there can be no negative numbers