![[问答题] 阅读和理解下面程序段： class Manager extends Employee public Manager(String n,double s,int year,int mo](http://www.mshxw.com/aiimages/31/250961.png "[问答题] 阅读和理解下面程序段： class Manager extends Employee public Manager(String n,double s,int year,int mo")
[问答题] 阅读和理解下面程序段：
class Manager extends Employee
public Manager(String n,double s,int year,int month,int day)
super(n,S,year,month,day);
bonus=0;
public double getSalary()
double baseSalary=super.gerSalary();
return baseSalary+bonus;
public void setBonus(double B) bonus=b；
private double bonus;
Manager是Employee的子类，其理由是( )。
参考答案：
B问题解析:
本题考查Java中子类的概念。Java中通过在类声明中加入extends子句来创建子类，格式为：class SubClass extens SuperClass{...
