jmain.java

Android平台对应的高欢堂所编写的书籍的对应源代码 可以不用敲键盘了

class Person {
	private String name;
	private int age;

	Person(String na, int a) {
		name = na;
		age = a;
	}
	public int birth_year() {
		return 2009 - age;
	}
	public void display() {
		System.out.println("Name: " + name + "   Age: " + age);
	}
}

class Teacher extends Person {
	private double salary;

	Teacher(String na, int a, double sa) {
		super(na, a);
		salary = sa;
	}
	public void display() {
		super.display();
		System.out.println("Salary: " + salary);
	}
}

public class JMain {
	public static void main(String[] args) {
		Teacher tr;
		tr = new Teacher("Steven", 35, 35000);
		tr.display();
	}
}