class Person {
    private String name;
    
    void setName(String n) {
        this.name = n;
    }
    String getName() {
        return name;
    }
    String getInfo() {
        return "name is" + this.name;
    }
}

class Student extends Person {

    private String school;

    void setSchool(String s) {
        this.school = s;
    }
    String getSchool() {
        return school;
    }
    String getInfo() {
        return "name is " + this.getName() + "; school is " + this.getSchool();
    }
}

public class TestPrivate {
    public static void main(String[] args) {
        Person person = new Person();
        Student student = new Student();
        student.setName("bill");
        student.setSchool("Peking University");
        System.out.println(student.getInfo());
    }
}

------解决方案--------------------
private私有变量不能被子类直接使用，也可以在Person添加getName方法，然后在子类中直接调用

------解决方案--------------------
探讨


private私有变量不能被子类直接使用，也可以在Person添加getName方法，然后在子类中直接调用