jmain.java

来自「基于JAVA的android源码(由台人所写)」· Java 代码 · 共 35 行

class Person {
	protected String name;
	private int age;

	protected void modify_age(int a) {
		age = a;
	}
	public Person(String na, int a) {
		name = na;
		age = a;
	}
	public void show() {
		System.out.println("Name: " + name + "   Age: " + age);
	}
}

class Teacher extends Person {
	public Teacher(String na, int a) {
		super(na, a);
	}
	public void modify(String na, int a) {
		super.name = na;
		super.modify_age(a);
	}
}

public class JMain {
	public static void main(String[] args) {
		Teacher tr = new Teacher("David", 25);
		tr.show();
		tr.modify("Kent Smith", 45);
		tr.show();
	}
}