Question

Sorting Java String Array ignoring the case

Asked by: prain

Hello,
I know the Ararys class give a series of sorting method in java. But I want to sort an array of strings ignoring the case. Do we have a quick way of doing in java within re-inventing the wheel?.

Eg. Given
String names[] = { "Joe", "Arnold", "Pearl", "andy", "jill", peter"};

Result
String names = {"andy", "Arnold", "jill", "Joe", "Pearl", "peter"}

Any ideas.
{Note : I am trying to avoid lengthy ways of doing this. I will evaluate the shortest way of doing this and award the points to that person}.

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Asked On
2007-10-08 at 13:01:12ID22879664
Tags

java

,

string

,

array

,

sort

,

case

Topics

Java Standard Edition

,

Java Programming Language

,

Programming Languages

Participating Experts
3
Points
125
Comments
4

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Answers

 

by: CEHJPosted on 2007-10-08 at 13:05:28ID: 20036584

           List lnames = new ArrayList(Arrays.asList(names));
            Collections.sort(lnames, String.CASE_INSENSITIVE_ORDER);
            System.out.println(lnames);

 

by: Bart_CrPosted on 2007-10-08 at 13:08:37ID: 20036610

       String[] names = { "Joe", "Arnold", "Pearl", "andy", "jill", "peter"};
        Arrays.sort(names, String.CASE_INSENSITIVE_ORDER);
        System.out.println("Arrays.toString(names) = " + Arrays.toString(names));

 

by: elfe69Posted on 2007-10-08 at 13:10:05ID: 20036623

You can use Arrays.sort():

Arrays.sort(names,String.CASE_INSENSITIVE_ORDER);


Or you can use a comparator, look at the sort() method in the Collection class and the Comparator class for that.

 

by: prainPosted on 2007-10-08 at 14:48:28ID: 20037215

I like Bart_Cr's method.
Thanks

20120131-EE-VQP-002

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