j3_14.java

本光盘是《JSP应用教程》的配套光盘

class Person {
	protected String name;
	protected int age;
	public String getInfo() {
	   return "Name: "+ name + "\n" +"age: "+ age;
	}
}
class Student extends Person {
	protected String school;
	public String getInfo() {
  	   return  "name: "+ name + "\nage: "+ age 
	          + "\nschool: "+ school;
	}
}
class Test{
	public static void main(String args[]){
		Person p = new Person();
		p.name = "Tom";
		p.age = 22;
		System.out.println(p.getInfo());
		Student s = new Student();
		s.name = "bily";
		s.age = 18;
		s.school = "Tsinghua university";
		System.out.println(s.getInfo());
}
}