listing continued /public void removen(int /remove item at for(int =nj<size- ++/move items down quearray[jquearray[ + ]size--/public edge peekmin(/peek at minimum item return quearray[size- ]/public int size(/return number of items return size/public boolean isempty(/true if queue is empty return (size== )/public edge peekn(int /peek at item return quearray[ ]/public int find(int finddex/find item with specified /destvert value for(int = <sizej++if(quearray[jdestvert =finddexreturn jreturn - //end class priorityq ///////////////////////////////////////////////////////////////class vertex public char label/label ( ' 'public boolean isintree/public vertex(char lab/constructor label labisintree false/