晕,按你的源码,我的错更多....Parce.java:2: cannot resolve symbol symbol : class Destination location: class Parce public Destination dest(final String dest, final float price) { ^ Parce.java:3: cannot resolve symbol symbol : class Destination location: class Parce return new Destination() { ^ Parce.java:15: cannot resolve symbol symbol : class Destination location: class Parce Destination d = p.dest("Tanzania", 101.395f); ^ 3 errors
symbol : class Destination
location: class Parce
public Destination dest(final String dest, final float price) {
^
Parce.java:3: cannot resolve symbol
symbol : class Destination
location: class Parce
return new Destination() {
^
Parce.java:15: cannot resolve symbol
symbol : class Destination
location: class Parce
Destination d = p.dest("Tanzania", 101.395f);
^
3 errors
1. 你的Destination没有import.编译系统不认识
2. 如果你用的是javax.print.attribute.standard.Destination的话,他是一个final class,是不能被继承和重载的