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  1. public class Main
  2. {
  3.   public static boolean isEmpty(String s)
  4.   {
  5.     if ((s != null) && (s.trim().length() > 0))
  6.         return false;
  7.     else
  8.         return true;
  9.   }
  10.  
  11.   public static void main(String[] args)
  12.   {
  13.     System.out.println(isEmpty(" "));
  14.   }
  15. }
Success #stdin #stdout 0.06s 380160KB
comments (?)
stdin
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Standard input is empty
stdout
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true
https://ideone.com/Htd3ZQ
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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