Sortieren, Comparable Warnung: unchecked or unsafe operations...

[emgi]

Hi, habe ein kleines Problem mit folgender Compiler Warnmeldung:

Note: class x.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details:

java:22: warning: [unchecked] unchecked call to compareTo(T) as a member of the raw type java.lang.Comparable
          while(j >= 0 && a[j].compareTo(value) > 0)

java:34: warning: [unchecked] unchecked call to compareTo(T) as a member of the raw type java.lang.Comparable
         if(a[i + 1].compareTo(a[i]) < 0)

Hier der Quellcode:

import java.util.*;
public class x {

  public static void insertionSort(Comparable[] a)
  {
      for(int i = 1; i < a.length; i++)
      {
          assert isSorted(a, 0, i-1):j;
          
          Comparable value = a[i]; 
          int k = i - 1;      
          
          while(j >= 0 && a[j].compareTo(value) > 0)
          {
              swap(a, j, j+1);
              j--;
          }
      }   
  }
  
  private static boolean isSorted(Comparable[] a, int low, int high)
  {
      for(int i = low; i < high; i++) 
      {
          if(a[i + 1].compareTo(a[i]) < 0)
              return false;
      }        
      return true;
  }
  
  private static void swap(Comparable[] a, int x, int y)
  {
      Comparable temp = a[x];
      a[x] = a[y];
      a[y] = temp;
  } 
}

Hoffe jdm. kann mir behilflich sein

mfg c.k.