class Teacher {
String designation = "Teacher";
String collegeName = "aimtocode";
void does(){
System.out.println("Teaching");
}
}
public class PhysicsTeacher extends Teacher{
String mainSubject = "Java";
public static void main(String args[]){
PhysicsTeacher obj = new PhysicsTeacher();
System.out.println(obj.collegeName);
System.out.println(obj.designation);
System.out.println(obj.mainSubject);
obj.does();
}
}