Sorting the Objects in java

public class SortObjects
{
   public static void main(String s[])
   {  
     Collections col;
     List l=sort(s);
      System.out.println("\nStrings sorted List ...");
      for(int i=0;i<s.length;i++)
      {
         System.out.println((String)l.get(i));
      }
      int ints[]={11,2,-22,401,6};
      Integer in[]=new Integer[ints.length];
      for(int i=0;i<in.length;i++)
      {
         in[i]=new Integer(ints[i]);
      }
      l=sort(in);
      System.out.println("\nIntegers sorted List ...");
       for(int i=0;i<in.length;i++)
       {
         System.out.println((Integer)l.get(i));
       }
    }  
    public static List sort(Object o[])
    {
                 ArrayList al=new ArrayList();
                for(int i=0;i<o.length;i++)
                 al.add(i,o[i]);
                 List list = Collections.synchronizedList(al);
                 Collections.sort(list);
                 return list;
   }
}