class Meal{
Meal(){System.out.println("Meal()");}
}class Bread{
Bread(){System.out.println("Bread()");}
}class Cheese{Cheese(){System.out.println("Cheese()");}
}class Lettuce
{Lettuce(){System.out.println("Lettuce()");}}class Lunch extends Meal{
lunch(){System.out.println("Lunch()");}}
class PortableLunch extnds Lunch
{
 PortableLunch(){System.out.println("PortableLunch()");}}
public class Sandwich extends PortableLunch{privte Bread b=new Bread();
privte Cheese c =new Cheese();
privte Lettuce l=new Lettuce();public Sandwich(){System.out.println("Sandwich()");
}public static void main (String[] args){
new Sandwich();}}
怎么编译的时候老是说Sandwich.java cannot read;