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Natural ordering of strings and numbers

 
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What are the rules for ordering strings? As an example, the output of the following code example suggests that the ordering rules used is different for strings and numbers.



Output:



What is the best way to know how a string will be sorted?
 
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In case of String, "33" is not treated as per its numeric value. Since the first character '3' comes before 4, you see "33" before 4 and 5. However, TreeSet<Integer> compares the actual integer values.
 
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Sorting Strings explains that for ascii characters the sorting of words would be based upon their ASCII/Unicode character values and it's true for the Unicode set as well (which includes the ASCII set).

The article speaks about the case when the Unicode order is not what we have in mind as the proper sorting mechanism.

Regards,
Dan
 
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Dan Drillich wrote:Sorting Strings explains that for ascii characters the sorting of words would be based upon their ASCII/Unicode character values and it's true for the Unicode set as well (which includes the ASCII set).

The article speaks about the case when the Unicode order is not what we have in mind as the proper sorting mechanism.

Regards,
Dan



 
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