All Questions
Tagged with programming-practices java
135 questions
4
votes
2
answers
194
views
Should I write a wrapper within a manager object?
I have three classes that work together to do one function (from the perspective of the rest of my program). There is a little bit of set up between them, so, to make it easier for the rest of my ...
CommunityBot
- 1
0
votes
1
answer
239
views
Is immutable objects over POJO in general?
Lombok is used in the legacy project where I am currently working for since last year. The project is legacy with 10+ years, and POJO/JavaBeans, i.e. @Data annotated classes, have been widely used for ...
- 218k
276
votes
14
answers
125k
views
Should we avoid object creation in Java?
I was told by a colleague that in Java object creation is the most expensive operation you could perform. So I can only conclude to create as few objects as possible.
This seems somewhat to defeat ...
- 179
2
votes
4
answers
3k
views
I wrote a class with "init" method. Should I call it from other class methods? Or leave it to the object user? (Code Design)
I have a java class with an init method. It's different from the constructor. The constructor just initializes the variables/fields. The init method connects to a database and performs some ...
- 44.1k
9
votes
2
answers
1k
views
Should function names describe their parameter types?
If you wish to perform the same action using different parameters, you can either make differently named functions:
public Apple findAppleById(long id){
return repo.findById(id);
}
public Apple ...
- 123
2
votes
1
answer
274
views
Is it OK to deprecate methods that need to be public due to the packaging model but are not to be used outside the codebase in Java?
I am currently working on a semi-large project that has several packages. There are 3 main packages, a "client" package, a "server" package and a "common" package. There are two jars, one for the ...
- 203
1
vote
4
answers
341
views
Storing both a compiled service for a Docker container as well as the container in a repository. Good practice, bad practice or no precedent?
This has erupted from quite a turbulent meeting between two senior developers, a lead developer and an engineering lead, and after 90mins reached no resolution.
We create Spring Boot Java services ...
- 218k
2
votes
1
answer
3k
views
When should a class be final? [duplicate]
I've only really seen this on Java's wrapper classes (String, Integer, etc.), but never in open-source projects, and I was never taught about it in any books or classes. I know it means the class can'...
- 3,167
8
votes
6
answers
5k
views
What is more important? SOLID or KISS?
What is more important? SOLID or KISS?
To be consistent with SOLID I would have to inject Decorator and Footer classes and create interfaces for them.
public class HelloService {
String name;
...
- 161
-1
votes
1
answer
16k
views
@Getter, @Setter vs @Data in lombok? [closed]
So I was sending code for review and approvals for some changes I made recently. that includes a class as below:
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class ...
- 118k
283
votes
6
answers
168k
views
Choosing between Single or multiple projects in a git repository?
In a git environment, where we have modularized most projects, we're facing the one project per repository or multiple projects per repository design issue. Let's consider a modularized project:
...
2
votes
1
answer
1k
views
Does it make sense to use byte instead of int in Java? [duplicate]
Recently, I had to implement a business rule in a certain project. The rule basically consisted of checking a range between 1 and 12, values that would be used later, in some way, with Bootstrap.
...
- 137k
-1
votes
2
answers
262
views
Do I really need TaskManager class? [duplicate]
Background:
I'm coding an app, the core idea is simple - I can choose a 'Task' (consists of name, code to perform aka Runnable, progress) through GUI, start it, stop it, start all 'Task's and stop all ...
- 407
3
votes
4
answers
780
views
Is it a bad practice to have an interface method to tell whether it can handle an object?
interface Resolver {
boolean canResolve(SomeInput input);
SomeOutput resolve(SomeInput input);
}
public static void main(String[] args) {
List<Resolver> resolvers = ...;
...
- 48.8k
1
vote
2
answers
497
views
Is using KDoc/Javadoc comments inside of a function considered bad practice?
I often find it helpful to use KDoc/Javadoc comments inside of a class or function instead of normal comments. IntelliJ colorizes them more obviously by default and, more importantly, allows ...
- 6,208