例6.9.txt

来自「《Java程序设计与应用》-张仕斌-源程序 《Java程序设计与应用》-张仕斌」· 文本 代码 · 共 42 行

//例6.9：构造方法的调用顺序典型示例2。
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 extends Lunch
{
  PortableLunch()
  {System.out.println("PortableLunch()");}
}
public class Sandwich extends PortableLunch
{
  Bread b=new Bread();
  Cheese c=new Cheese();
  Lettuce l=new Lettuce();
  Sandwich()
  {System.out.println("Sandwich()");}
  public static void main(String[] args)
  {new Sandwich();}
}