继承中的构造方法练习

public class TestTeacher {
	public static void main(String[] args) {
		Person p1 = new Person("A");
		Person p2 = new Person("B","shanghai");
		Student s1 = new Student("C","S1");
		Student s2 = new Student("C","shanghai","S2");
		System.out.println(p1.info());
		System.out.println(p2.info());
		System.out.println(s1.info());
		System.out.println(s2.info());
		
		Teacher t1 = new Teacher("D","Professor");
		System.out.println(t1.info());
	}
}

class Person {
	private String name;
	private String location;
	
	Person(String name) {
		this.name = name;
		location = "beijing";	
	}
	
	Person(String name,String location) {
		this.name = name;
		this.location = location;
	}
	
	public String info() {
		return "name:"+name+"location"+location;
	}
}

class Teacher extends Person {
	private String capital;
	
	Teacher(String name,String capital) {
		this(name,"beijing",capital);
	}
	
	Teacher(String n,String l,String capital) {
		super(n,l);
		this.capital = capital;
		
	}
	
	public String info() {
		return super.info()+"capital:"+capital;
	}
}

class Student extends Person{
	private String school;
	
	Student(String name,String school) {
		this(name,school,"beijing");
	}
	
	Student(String n,String l,String school) {
		super(n,l);
		this.school = school;
	}
	
	public String info() {
		return super.info()+"school: "+school;
	}
}