大神进来看看啊我初学者
class Person {
private String name;
private int age;
Person(String name,int age) {
this.name = name;
this.age = age;
}
public String info () {
return "name="+name+" age="+age;
}


class Teacher extends Person {
private String vocation;
Teacher(String name, int age, String vocation) {
super (name, age);
this.vocation = vocation;
}
public String info () {
return "name="+name+" age="+age+" vocation="+vocation;
}

}
}

public class XinXi {
public static void main(String args[]) {

Teacher s = new Teacher("a",33,"b");
System.out.println(s.info());
}
}
XinXi.java:29: 找不到符号
符号： 类 Teacher
位置： 类 XinXi
Teacher s = new Teacher("a",33,"b");
^
XinXi.java:29: 找不到符号
符号： 类 Teacher
位置： 类 XinXi
Teacher s = new Teacher("a",33,"b");
^
哪里不对
[解决办法]
你把Teacher类写在Person里面去了，成了Person的内部类
[解决办法]
貌似你的Teacher类是Person的内部类吧，你应该把Teacher单独写一个类，否则你没有实例化Person类也就无法调用Teacher类