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Results tagged with java
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user 71148
Java (not to be confused with JavaScript) is a class-based, object-oriented, strongly typed, reflective language and run-time environment (JRE). Java programs are compiled to bytecode and run in a virtual machine (JVM) enabling a "write once, run anywhere" (WORA) methodology.
5
votes
Accepted
RemoveDuplicateElement
Style
Comments
I stated this in a comment (pun unintended but a happy side effect) that I think comments like this are unneeded and make the code harder to read.
if (null == inputArray || 0 == inpu …
- 713
0
votes
0
answers
55
views
Attributing code licensed under Creative Commons from Stack Overflow in Javadoc
The title is pretty clear. I have a code snippet I took from Stack Overflow that's licensed under Creative Commons and I want to attribute it properly.
My understanding is with Creative Commons you ne …
- 713
3
votes
A generic cache object
The Java Class Library prefers NullPointerException to IllegalArgumentException when the element is required to be non-null. I think it's better to match their style here rather than be opinionated. …
- 713
1
vote
Standard fizz (3) buzz (5)
I suggest always using braces on any if statement. It's too easy to accidentally screw up something if you don't. It doesn't add many extra lines, especially with long chains like this since it only a …
- 713
0
votes
And the little one said "Roll over"
The only thing I can think to add to others' is that the comments in the main method are superfluous.
// Declare a reference variable of type song99bottles - new object
song99bottles go = new song9 …
- 713
3
votes
2
answers
12k
views
Checking if an element sastifying a condition in a list comes before another of a different ...
This is for Java 6 and uses Guava.
It's a little ugly and I'm worried I missed some obvious way to do it a lot better. …
- 713
9
votes
Basic Java library to hold books
return Optional.empty();
}
My reasoning against returning null is this: It is never 100% clear if a method will return null or not in Java and maybe someone will think this won't so they won't guard …
- 713
1
vote
Replace space with %20
Everyone has commented about how to better replace the spaces, I will answer how to better test.
I suggest making a proper unit test with Junit. This way you do not need to manually look at your outp …
- 713
1
vote
Reimplementation of a Hashtable and hash function
In Java, the hashCode() method takes this and returns an int, in my little metaphor above [Decoder] depends on the type. …
- 713
3
votes
Accepted
Generating a topographic string
The reason I made getLevelContent a separate method is to avoid multiple for loops for each level of the output (3, 2, and 1). Is separating into methods, as I have done here, a good way to solv …
- 713
1
vote
Largest palindrome in a string
So long as you use && instead of & java will use short circuit evaluation and not do isPalindrome(data).
But! …
- 713
3
votes
Accepted
Java 8 unit test for third-party data feeds
I am only going to talk about the sports method, from there you should be able to get the info you need for the others as they are all basically the same.
DRY isn't a big priority
As I said in my ea …
- 713
6
votes
Binary Calculator in Java
Pimgd provided a good point about your Operations class, but if you wanted to keep it I would suggest making these changes to it as it's a "utility class"
Make it a final class
Add a private constru …
- 713
2
votes
Random letter test
randomUpperCaseLetter()
I will assume that RandomLetter.generate() actually does return something randomly* generated. (Maybe it should be named generateUpperCase() instead?)
Unit tests should be de …
- 713