已有如下程序: class Parent{ String one,two; public Parent(String a,String b){ one=a; two=b; } public void print(){ System.out.println(one); } } public class Teacher extends Parent{ public Teacher(String a,String b){ super(a,b); } public void print(){ System.out.println(one+"to"+two); } public static void main(String args[]){ Parent p=new Parent("south "," north"); Teacher t=new Teacher("east "," west"); p.print(); t.print(); } } 程序的输出结果是什么?。 提示:该题与构造方法和方法的重写有关