CList-CLS

public class clist {
    private integer count=0;
    private integer listsize=10;
    public integer totalsize;
    public String cId {get; set;}
    public String firstName{get;set;}
    public String lastName{get;set;}
    public String phone{get;set;}
    public String Email{get;set;}
    list <contact> conList;

    public List<Contact> getContact()
    {
        list<Contact> conlist=[select id, FirstName,LastName,Email,Phone,AccountId from Contact limit :listsize offset : count ];
        totalsize = [select count() from Contact];
        return conlist;
    }


   public PageReference Previous() {
      count -= listsize;

      return null;
   }


   public PageReference Next() {
      count += listsize;
       getct();

      return null;
   }


   public PageReference Last() {
      count = totalsize - math.mod(totalsize, listsize);
      return null;
   }


   public Boolean getDisablePrevious() {

      if (count>0)
          return false;
       else
           return true;
   }


   public Boolean getDisableNext() {
      if (count + listsize < totalsize)
          return false;
       else
           return true;
   }


   public Integer getTotal_size() {
      return totalsize;
   }
    public Integer getPagect() {
      return count/listsize + 1;
   }
    public Integer getTotalPages() {
      if (math.mod(totalsize, listsize) > 0)
      {
         return totalsize/listsize + 1;
      }
       else
       {
         return (totalsize/listsize);
       }
     }


    public PageReference DeleteContact() {
        Contact del = new Contact();
        del=[select Id from Contact where id =:cId];
        delete del;
    PageReference ref=new PageReference('/apex/AccountinlineEdit');
        ref.setredirect(true);
        return ref;
    }
       public  void save1() {
        upsert conlist;



    }
        public clist(){
       conlist=new List<contact>();

    }


    public pageReference Save(){
        Contact con = new Contact(firstname=firstname, lastname=lastname, phone=phone,email=email);
        conList.add(con);
        insert conList;
        return null;
   }

}