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public class Stack<T>{
 
   private ArrayList<T>  list;
   public Stack(){
          list =  new ArrayList<T>();
}
          public T pop(){
              if(list.size != 0 ){
                 T popOut = list.get(list.size - 1);
                 remove(popOut);
                 return popOut;
             }
             else{
               return null;
            }
 }
}
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@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
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@currentpage int output,--µÚ¼¸Ò³
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 String pwd="ÃÜÂë";
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  String str  = "[010101]+[010102]";
  String ss = "
  System.out.println(ss); //  \[010101]  
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