Category: Java

I am trying to filter records from a List based on date range which are stored as Strings. List (showing 3 entries only): [[“Steve”,”Baseball”,”Brazil”,&…

I’m trying to write this method, it takes an object passed and I want to iterate through the variables, store the info about it and access the value. The reason i want to access it this way is to get …

I was new to Springboot application using the @Autowired to perform the dependency injection. We can use @Autowired directly by initiate that class object for class that has none or default …

I’ve been doing some research on microservices, and one question I’ve had that is not well addressed is whether there should be multiple instances of a microservice, and if so, how to deal with this? …

fairly new person to Java here, I’d like to ask if there’s a way to add an element between two elements or be able to shift all elements to the right or left of an ArrayList and how I could figure out …

Problem I used BigDecimal.setScale(7, RoundingMode.HALF_UP) to round the number to 7 decimal places, however now if I get a number without any decimal places or with them being fewer then 7 I get …

Hi I’m trying to make these 2 methods work, but even though I tried pretty much everything I can think of, it’s still not working. Please tell me how to fix it! void add(Anything value): Adds a node …

trying to get these 2 methods to work, but I don’t have much experience with generics and the concept is confusing a lot. Anything getFirst(): Returns the value stored in the first node in the list. …

I’m learning about SOLID principles, and ISP states that: Clients should not be forced to depend upon interfaces that they do not use. Does using default methods in interfaces violate this principle?…

I have a Spring Boot application that uses AWS that I use to test my students on their Bash skills. And I want to allow them to start an assessment whenever they want, but it ends in 2 hours from that …