parcel9.java

来自「Java与面向对象程序设计实验教学讲义.复数类的实现,复数类的复杂运算,身份证号」· Java 代码 · 共 19 行

public class Parcel9 {
  public Destination dest(final String dest, final float price) {
      return new Destination() {
          private int cost;
          {
              cost = Math.round(price);
              if(cost > 100)
                  System.out.println("Over budget!");
          }  //不能重载
          private String label = dest;
          public String readLabel() { return label; }
      };
  }
  public static void main(String[] args) {
      Parcel9 p = new Parcel9();
      Destination d = p.dest("Tanzania", 101.395F);
  }
}