一个关于接口的问题
ahj 2003-09-29 09:09:17
我的Student_info.java文件如下
interface Student_info
{
int year =2002;
int age();
void output();
}
我的Stu1.java如下
public class Stu1 implements Student_info
{
String name;
int birth_year;
public Stu1(String n1,int y)
{
name=n1;
birth_year=y;
}
public int age()
{
return year-birth_year;
}
public void output()
{System.out.println(this.name+" "+this.age()+"岁");
}
public static void main(String arg[])
{
Stu1 s1=new Stu1("李明",1980);
s1.output();
}
}
但是有错误
D:\my java>javac Stu1.java
Stu1.java:16: illegal character: \65307
{System.out.println(this.name+" "+this.age()+"岁");
请问这是为什么????????? 谢谢