All Questions
11 questions
0
votes
2
answers
325
views
Which is better: a chain of OR statements or IF in a loop? (Java)
Which code style is preferred in Java?
final boolean result = isCausedBy(e, ExceptionType1.class)
|| isCausedBy(e, ExceptionType2.class)
|| isCausedBy(e, ExceptionType3.class)
|...
- 103
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 ...
- 217
1
vote
2
answers
289
views
Granularity of a Method
I have a general design question. Suppose I have a List:
List<String> list = new ArrayList<>();
list.add("Str 1");
list.add("Str 2");
list.add("Str 3");
I ...
- 41
2
votes
1
answer
846
views
Better way to implement a feature with turn on/off based on a flag
I'm trying to implement a feature with option to turn it on/off based on a flag. I'm doing it in the following way which I feel like a overkill,
public interface Feature {
public interface ...
- 366
12
votes
5
answers
2k
views
How to introduce new language features in a legacy source code?
I have a coding style related question. In my example it is java, but I think this can be a generic question regarding languages that are changing rapidly.
I'm working on a java code base which was ...
- 243
-2
votes
1
answer
2k
views
How to clean a refactor Java for-if-try-catch-else kind of messy code [duplicate]
Often I came across situations like this, how to write this code in a neat and clean way.
One more issue I find here is performance as I am iteration a list and then it's properties.
Edit : - while ...
- 111
17
votes
5
answers
12k
views
Boolean return of set.add() in if conditional?
The add operator of the set class returns a boolean which is true if the element (which is to be added) wasn't already there, and false otherwise. Is writing
if (set.add(entry)) {
//do some more ...
- 367
1
vote
2
answers
2k
views
Return array of multiple different objects?
I have code along the following lines:
public void processInput() {
List<String> input = readInput();
final Object[] returnObj = createInternalStructureFrom(input);
final Dictionary ...
- 367
3
votes
3
answers
2k
views
Tradeoff between clean code, duplicate code and code efficiency in java
I have a question on writing clean code. I’m trying to refactor the following method:
private static Map<String, String> createMapOfAttributes(
final String Id,
final String ...
- 367
1
vote
1
answer
268
views
Sorting Array before looping : best practice
I was going through JBAKE code at
https://github.com/jbake-org/jbake/blob/master/src/main/java/org/jbake/app/Asset.java : 58
PFB the code.
Why are we sorting the array here?
if (assets != ...
- 167
2
votes
1
answer
2k
views
Why does Java support brackets behind variables and even behind method signatures? [closed]
Java allows this:
class X{
int i,j[]; // j is an array, i is not
}
and even worse, it allows this:
class X{
int foo(String bar)[][][] // foo actually returns int[][][]
{ return null; }
}...
- 129