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  1. class RemoveBlanks {
  2.     public static void main(String[] args) {
  3.         // Get results.
  4.         String[] newArr = results(new String[] { null, null, null, "Mars", "Saturn", "Mars" });
  5.  
  6.         // Print results.
  7.         for (String elem : newArr) {
  8.             System.out.println(elem);
  9.         }
  10.     }
  11.  
  12.     private static String[] results(String[] allElements) {
  13.         // Calculate the size for the new array.
  14.         int newSize = 0;
  15.         for (int i = 0; i < allElements.length; i++)    {
  16.             if (allElements[i] != null) {
  17.                 newSize++;
  18.             }
  19.         }
  20.  
  21.         // Populate the new array.
  22.         String[] _localAllElements = new String[newSize];
  23.         int newIndex = 0;
  24.         for (int i = 0; i < allElements.length; i++) {
  25.             if (allElements[i] != null) {
  26.                 _localAllElements[newIndex] = allElements[i];
  27.                 newIndex++;
  28.             }
  29.         }
  30.  
  31.         // Return the new array.
  32.         return _localAllElements;
  33.     }
  34. }
Success #stdin #stdout 0.03s 245632KB
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Mars
Saturn
Mars
https://ideone.com/Ecg8X
language:
Java (HotSpot 12)
created:
13 years ago
visibility:
public

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