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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 boolean isBlank(String str) {
  12.     int strLen;
  13.     if (str == null || (strLen = str.length()) == 0) {
  14.         return true;
  15.     }
  16.     for (int i = 0; i < strLen; i++) {
  17.         if ((Character.isWhitespace(str.charAt(i)) == false)) {
  18.             return false;
  19.         }
  20.     }
  21.     return true;
  22. }
  23.  
  24.   public static void main(String[] args)
  25.   {
  26.       for (char c = 0; c < 65535; c++)
  27.       {
  28.          String cs = ""+c;
  29.          if (isBlank(cs) != isEmpty(cs))
  30.             System.out.println("For character "+(int)c+" isBlank = "+isBlank(cs)+" and isEmpty = "+isEmpty(cs));
  31.       }
  32.   }
  33. }
Success #stdin #stdout 0.1s 380480KB
comments (?)
stdin
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Standard input is empty
stdout
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For character 0 isBlank = false and isEmpty = true
For character 1 isBlank = false and isEmpty = true
For character 2 isBlank = false and isEmpty = true
For character 3 isBlank = false and isEmpty = true
For character 4 isBlank = false and isEmpty = true
For character 5 isBlank = false and isEmpty = true
For character 6 isBlank = false and isEmpty = true
For character 7 isBlank = false and isEmpty = true
For character 8 isBlank = false and isEmpty = true
For character 14 isBlank = false and isEmpty = true
For character 15 isBlank = false and isEmpty = true
For character 16 isBlank = false and isEmpty = true
For character 17 isBlank = false and isEmpty = true
For character 18 isBlank = false and isEmpty = true
For character 19 isBlank = false and isEmpty = true
For character 20 isBlank = false and isEmpty = true
For character 21 isBlank = false and isEmpty = true
For character 22 isBlank = false and isEmpty = true
For character 23 isBlank = false and isEmpty = true
For character 24 isBlank = false and isEmpty = true
For character 25 isBlank = false and isEmpty = true
For character 26 isBlank = false and isEmpty = true
For character 27 isBlank = false and isEmpty = true
For character 5760 isBlank = true and isEmpty = false
For character 6158 isBlank = true and isEmpty = false
For character 8192 isBlank = true and isEmpty = false
For character 8193 isBlank = true and isEmpty = false
For character 8194 isBlank = true and isEmpty = false
For character 8195 isBlank = true and isEmpty = false
For character 8196 isBlank = true and isEmpty = false
For character 8197 isBlank = true and isEmpty = false
For character 8198 isBlank = true and isEmpty = false
For character 8200 isBlank = true and isEmpty = false
For character 8201 isBlank = true and isEmpty = false
For character 8202 isBlank = true and isEmpty = false
For character 8232 isBlank = true and isEmpty = false
For character 8233 isBlank = true and isEmpty = false
For character 8287 isBlank = true and isEmpty = false
For character 12288 isBlank = true and isEmpty = false
https://ideone.com/ELY5Wv
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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