506064662aa8001d167ed0d3c2a49140

来自「基于JAVA的android源码(由台人所写)」· 代码 · 共 31 行

class Person {
	private String name;
	public int age;

	public Person(String na, int a) {
		name = na;
		age = a;
	}
}

class Teacher extends Person {
	public double salary;

	public Teacher(String na, int a, double sa) {
		super(na, a);
		salary = sa;
	}
	public void modifyAge(int a) {
		age = a;
	}
}

public class JMain {
	public static void main(String[] args) {
		Teacher crag = new Teacher("Crag", 38, 45000);
		crag.modifyAge(42);
		System.out.println("AGE: " + crag.age + 
						",     SALARY: " + crag.salary);
	}
}