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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. class Ideone
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		String s = "XXXX_YYYY_YYYYYYY_YYYYYYZZZZ";
  9. 		List r = Arrays.asList(s.split("_"));
  10. 		r = r.subList(Math.max(r.size() - 3, 0), r.size());
  11. 		System.out.println(String.join("_", r));
  12. 	}
  13. }
Success #stdin #stdout 0.1s 320512KB
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stdin
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Standard input is empty
stdout
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YYYY_YYYYYYY_YYYYYYZZZZ
https://ideone.com/FCnmtZ
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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