Questions tagged [java]
Java is a high-level, platform-independent, object-oriented programming language originally developed by Sun Microsystems. Java is currently owned by Oracle, which purchased Sun in 2010.
5,015 questions
- Bountied 0
- Unanswered
- Frequent
- Score
- Trending
- Week
- Month
- Unanswered (my tags)
4
votes
2
answers
271
views
Managing Growth in Microservice Architecture: Is Modular Monolith the Solution?
Our team of 5 members are managing a microservice architecture that currently includes around 200 Java Spring boot microservices, with approximately 50 new services being added each year. We follow ...
0
votes
3
answers
172
views
Tracking data change in GUI form
Problem: our application allows users to close a form window after certain changes without any confirmation, instead of pressing the Save button. This makes them complain they have to start afresh.
We ...
1
vote
2
answers
198
views
Classpath hell: independently updated apps with shared dependencies
This is how our desktop applications are launched. In this case, it's called DesktopApp (I changed the actual name). As you see, the dependencies are hard-coded, including their versions. In the ...
0
votes
1
answer
110
views
How to create a job management for a hybrid cloud/on-premise software?
I am exploring the state-of-the-art methods to create a service that can run and scale in both cloud (container) and on-premise environments.
The current version of the software is designed for on-...
0
votes
1
answer
95
views
Designing a Scalable Caching Layer for User and Tenant Metadata in a Messaging System
I'm developing a microservice-based application that processes a high volume of messages. Each message must be handled according to the user’s personal settings and some tenant-specific (customer) ...
2
votes
3
answers
237
views
Search requests with multiple search values
(related: Fetching records matching multiple joined attributes)
If Spring Data doesn't allow GET requests to have a body (and it's considered bad practice anyway)
curl -X 'GET' \
'http://localhost:...
0
votes
2
answers
133
views
Is it better to pass a specific "context" object to handlers rather than the entire domain object?
I’m designing a system where various "handlers" apply business rules to an object. Initially I had each handler receive the full domain object:
// A large domain object with many properties and ...
1
vote
5
answers
518
views
Code reusability/inheritance introduces pointless testing
Say I have a bunch of classes that imitate cars: SportsCar, Truck, and SUV. All of these classes share some public methods like start() and stop() which they inherit from an abstract class Car. While ...
2
votes
2
answers
193
views
Best way to add asynchronous execution for already implemented synchronous process
I have a complex process implemented in Java Spring microservice.
Currently this process is triggered on user request and it is synchronously executed.
This often results in a gateway timeout.
...
2
votes
3
answers
167
views
Domain data classes with fluid property lists
Is it fine for your data models to have a sort of "open-ended" list of properties?
For example, you may have some Employee:
// getters, setters, annotations are omitted
public class Employee ...
0
votes
1
answer
196
views
How should ViewModels and Services communicate in a JavaFX + Spring Boot MVVM application?
I'm building a JavaFX + Spring Boot application using the MVVM pattern.
I’m building a generic "wizard" in a JavaFX + Spring Boot MVVM app. A WizardViewModel drives a sequence of steps (STEP_ONE → ...
21
votes
5
answers
5k
views
Why should I never ever ever use Java serialization?
I've heard that I should never use Java serialization (Serializable/ObjectInputStream/ObjectOutputStream) because of security. What's the problem?
2
votes
3
answers
408
views
Naming convention for boolean returning methods
There's a convention for boolean property accessors to name them like isX().
Does it apply to all boolean returning methods that are not invoked for their useful side effects, like this one?
Also, ...
3
votes
2
answers
296
views
Why do I need an authorisation server if my micro services can validate JWTs directly?
I'm working on a Spring-based micro service project and considering different approaches for handling authentication and authorisation. Instead of setting up a dedicated authorisation server, I’m ...
-1
votes
1
answer
311
views
Pattern for a chain of unreliable steps
I would like to refactor some code of a process that must perform a processing. The processing involves several steps, each of which can fail or go well. If successful, it must proceed to the next ...