Thread: problem !!!!!

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package westfield;
 
/**
 *
 * @author TOSHIBA
 */
public class roomCarpet
{
 
private roomDimension roomDimension;
private int cost;
 
public roomCarpet(int length, int width)
 
{
 
      void setcost(int cost) {
       this.cost = cost;
    }
 
     public  int getcost() {
       return cost;
    }
 
    roomDimension = new roomDimension(length, width);
 
 
}
 
 
public int totalCost()
{
return roomDimension.roomArea() * cost;
}
 
}

i don't know what is the problem with it there is mistake in geters ! or setter ?! and the last return type

package westfield;
 
/**
 *
 * @author TOSHIBA
 */
public class WestField {
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
    }
}
 
 
 
package westfield;
 
/**
 *
 * @author TOSHIBA
 */
public class roomCarpet
{
 
private roomDimension roomDimension;
private int cost;
 
public roomCarpet(int length, int width)
 
{
 
      void setcost(int cost) {
       this.cost = cost;
    }
 
     public  int getcost() {
       return cost;
    }
 
    roomDimension = new roomDimension(length, width);
 
 
}
 
 
public int totalCost()
{
return roomDimension.roomArea() * cost;
}
 
}
 
 
 
package westfield;
 
/**
 *
 * @author TOSHIBA
 */
public class roomDimension
 
{
private int length;
private int width;
 
public roomDimension(int length, int width)
{
this.length = length;
this.width = width;
}
 
public int roomArea()
{
return width * length;
}
 
}

the problem with the sitters , getters and public class room dimension ??!!
and room carpet class !!