testreferenctype.java

来自「主要是对于JAVA的编程的基本语言 希望能够帮得上你。」· Java 代码 · 共 61 行

package JavaBasic;

public class TestReferencType {
	
	public static void main(String[] args) {	
		MyDate d1;
		d1=new MyDate(2008,3,23);
		d1.display();
		MyDate d2=new MyDate(1997,7,1);
		d2.display();
		d2.setYear(2008);
		d2.setMonth(12);
		d2.setDay(31);
		d2.display();
	}
}

class MyDate{
	private int year=2000;
	private int month=1;
	private int day=1;
	
	public MyDate(){
		
	}
	
	public MyDate(int year,int month,int day){
		this.year=year;
		this.month=month;
		this.day=day;
	}
	
	public void setYear(int year){
		this.year=year;
	}
	
	public void setMonth(int month){
		this.month=month;
	}
	
	public void setDay(int day){
		this.day=day;
	}
	
	public int getYear(){
		return year;
	}
	
	public int getMonth(){
		return month;
	}
	
	public int getDay(){
		return day;
	}
	
	public void display(){
		System.out.println(year+"-"+month+"-"+day);
	}
}