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  1. import java.util.*;
  2. import java.io.*;
  3. /* Name of the class has to be "Main" only if the class is public. */
  4. class Ideone
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		List<String> strs = Arrays.asList("Фамилия Имя Отчество", "Фамилия Имя", "Фамилия");
  9. 		for (String str : strs)
  10. 			System.out.println(str.replaceFirst("^(\\S+)\\s+(\\S).*", "$1 $2."));
  11.  
  12. 	}
  13. }
Success #stdin #stdout 0.1s 47988KB
comments (?)
stdin 
Standard input is empty
stdout 
Фамилия И.
Фамилия И.
Фамилия
https://ideone.com/ew1Bvs
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

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