3.6testdate.java

JAVA程序设计的源代码

class Date{
private int day;
private int month;
private int year;
Date(int day,int month,int year) {    //定义构造函数
this.day=day;    //通过this指针进行复制
this.month=month;
this.year=year;
}
public void printDate()  {
System.out.println("今天是"+year+"年"+month+"月"+day+"日");
}
}
public class TestDate{
public static void main(String []args)  {
Date today=new Date(10,1,2006);    //创建一个带参数的对象
today.printDate();
Date anotherday=new Date(1,10,2006);    //又创建一个带参数的对象
anotherday.printDate();
}
}