这段代码是否是循环依赖的示例?
package expr;
import sheet.Sheet
public class AdressExpr implements Expr
{
private Address address;
private Sheet sheet;
public double value(Sheet sheet)
{
return sheet.value(address);
}
}
public interface Expr
{
public double value(Sheet sheet);
}
public class Adress
{
// omissions
}
package sheet;
import expr.Address;
import expr.Expr;
public class Sheet implements SuperSheet
{
private Map <Address, Expr> map;
public double value(Address address)
{
return map.get(Address).value(this);
}
}
public interface SuperSheet
{
public double value(Address address);
}
我知道这个例子是糟糕的编程,但是由于value方法的存在,接口是否禁止循环依赖关系?