java - How do I convert an array of strings to a array of unique values? -

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In Java, how can I convert an array of stars to an array of unique values? I have this string of strings:

If string [] test = {"1", "1", "1", "2"}

/ P> 

 and I want to end with: 
 
  string [] uq = {"1", "2"}

will be quick but inappropriately: 

 set  & lt; String & gt; Temp = new hashset & lt; String & gt; (Arrays.asList (test)); String [] uq = temp.toArray (new string [temp.size ()]);

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