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class Teacher{
private String Name;
private int Age;
public void setName(String Name) {
this.Name = Name;
}
public void setAge(int Age) {
this.Age = Age;
}
public String getName() {
return Name;
}
public int getAge() {
return Age;
}
}

class Student extends Teacher {
private String Add;
public void setAdd(String Add) {
this.Add = Add;
}
public String getAdd() {
return Add;
}
}
public class zailianxijiceng {
public static void main(String[] args) {
Student s = new Student();
s.setName("AlBert");
s.setAge(21);
s.setAdd("TZ");
System.out.println(s.getName());
System.out.println(s.getAge());
System.out.println(s.getAdd());
}
}

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