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A string is a sequence of characters. It is commonly used to represent text or a sequence of bytes. Use this tag along with the appropriate programming language being used.
1
vote
Build a sentence from tokens / words in a String-Array
I would suggest using the strategy pattern rather than code for specific tokens. Because some of the operations are state dependent, you would probably create some kind of DetokenizerResult object.
F …
10
votes
Accepted
Is this String concatenation creating extra String?
Enter the mad world of optimization!
The Java compiler and HotSpot just-in-time compiler are programmed with a great many rules for optimizing performance of Java code.
In general, it is NOT worth y …
5
votes
Checking whether a string is a valid number
Well, my first instinct would be to apply a refactoring - specifically Replace Conditional With Polymorphism.
To do this, create an interface with one method (isValidNumber works). Create four implem …
6
votes
Accepted
Java Date formatter
The thing about Date is that there are so many different time zones, so many different "standard" ways of representing the date and even, in some places, completely different calendar systems. As a re …
11
votes
Converting a number to the text representation
First of all, in tripleAsText the first check for value < SUBTWENTY.length is entirely superfluous. It does give improved performance in those cases where the value is < 20, but it also causes your co …