//Teacher.java

public class Teacher extends Person
{
    private String subject;

    public Teacher
    (
        String teacherName,
        int teacherAge,
        String teacherSubject
    )
    {
        this.name = teacherName;
        this.age = teacherAge;
        this.subject = teacherSubject;
    }

    public void printInfo()
    {
        String nameAndAge = this.getNameAndAge();

        System.out.println(nameAndAge);
        System.out.println("Subject: " + this.subject);
    }
}