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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		String[] a = new String[] { "aa", "bb", "cc" };
  9.         String[] b = new String[] { "bb", "cc", "dd" };
  10.  
  11.         Set<String> setA = new HashSet<String>(Arrays.asList(a));
  12.         List<String> listB = Arrays.asList(b);
  13.         setA.retainAll(listB);
  14.         System.out.println(setA);
  15. 	}
  16. }
Success #stdin #stdout 0.03s 245632KB
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Standard input is empty
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[bb, cc]
https://ideone.com/tKg5xa
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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