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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String s = "abcdef";
  13. 		Optional.ofNullable(s)
  14.       .filter(str -> str.length() != 0)
  15.       .map(str -> str.substring(0, str.length() - 1))
  16.       .orElse(s);
  17.  
  18. 	}
  19. }
Success #stdin #stdout 0.07s 33740KB
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https://ideone.com/gv7v6m
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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