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Java Sort char Array Example

  1. /*
  2.    Java Sort char Array Example
  3.    This example shows how to sort a char array using sort method of Arrays class of
  4.    java.util package.
  5. */
  6.  
  7. import java.util.Arrays;
  8.  
  9. public class SortCharArrayExample {
  10.  
  11.   public static void main(String[] args) {
  12.    
  13.     //create char array
  14.     char[] c1 = new char[]{'d','a','f','k','e'};
  15.    
  16.     //print original char array
  17.     System.out.print("Original Array :\t ");
  18.     for(int index=0; index < c1.length ; index++)
  19.       System.out.print("  "  + c1[index]);
  20.    
  21.     /*
  22.      To sort java char array use Arrays.sort() method of java.util package.
  23.      Sort method sorts char array in ascending order and based on quicksort
  24.      algorithm.
  25.      There are two static sort methods available in java.util.Arrays class
  26.      to sort a char array.
  27.     */
  28.    
  29.     //To sort full array use sort(char[] c) method.
  30.     Arrays.sort(c1);
  31.    
  32.     //print sorted char array
  33.     System.out.print("\nSorted char array :\t ");
  34.     for(int index=0; index < c1.length ; index++)
  35.       System.out.print("  "  + c1[index]);
  36.      
  37.     /*
  38.       To sort partial char array use
  39.       sort(char[] c, int startIndex, int endIndex) method where startIndex is
  40.       inclusive and endIndex is exclusive
  41.     */
  42.    
  43.     char[] c2 = new char[]{'d','a','f','k','e'};
  44.     Arrays.sort(c2,1,4);
  45.    
  46.     //print sorted char array
  47.     System.out.print("\nPartially Sorted char array :\t ");
  48.     for(int index=0; index < c2.length ; index++)
  49.       System.out.print("  "  + c2[index]);
  50.  
  51.   }
  52. }
  53.  
  54. /*
  55. Output Would be
  56.  
  57. Original Array :     d  a  f  k  e
  58. Sorted char array :     a  d  e  f  k
  59. Partially Sorted char array :     d  a  f  k  e
  60. */