CODEWITHSUNDEEP
javaarraysstring
King Aslan
King Aslan

Reputation: 169

Eliminating Duplicate Strings and preserving only one in a string array

hello guys i am try to eliminate all the duplicate strings from a string of array and preserve only one string of that...

assume temp[] be the string array and contains

temp[0] = "stack";
temp[1] = "overflow";
temp[2] = "stack";
temp[3] = "stack";
temp[4] = "overflow";

i need only "stack" and "overflow" in this case (it may be stored into another string array) but preserving the order as

temp2[0] = "stack";
temp2[1] = "overflow";

assume temp2 be another string array..

Upvotes: 0

Views: 593

Answers (3)

Steve
Steve

Reputation: 8809

A java.util.LinkedHashSet will remove duplicates while preserving order. 

temp = new LinkedHashSet<String>(Arrays.asList(temp)).toArray(new String[0]);

Upvotes: 4

vacuum
vacuum

Reputation: 2273

You ned to use a Set here:

Set<String> set = new HashSet<String>();
set.addAll(Arrays.asList(temp));
temp2 = set.toArray();

Upvotes: 0

Jigar Joshi
Jigar Joshi

Reputation: 240870

Use Set

Set<String> uniqueStrings = new HashSet<String>();
uniqueStrings.add("Stack");
uniqueStrings.add("Overflow");
uniqueStrings.add("Stack");//ignored

Upvotes: 2

Related Questions