objectoperating.java

来自「这是一张java应用教程的随书光盘」· Java 代码 · 共 36 行

class BirthDate {
	private int day;
	private int month;
	public int year;
	public void setDay(int d){
		day = d; 
	}
	public void setMonth(int m){
		month = m; 
	}
	public void setYear(int y){
		year = y; 
	}
	public int getDay(){
		return day; 
	}
	public int getMonth(){
		return month; 
	}
	public int getYear(){
		return year;
	}
	}
public class ObjectOperating {
	public static void main(String args[]){
		BirthDate b = new BirthDate();
		b.setDay(1);
		b.setMonth(10);
		b.getMonth();
		b.setYear(2003);
		//b.day = 2;        //不合法，无权访问该私有属性
		b.year = 2003;
		System.out.println(b.getDay() + "-" + b.getMonth() + "-" + b.getYear()); 
	}
}