date2.java

java老师给的java例子很不错

public class Date2                        		//类声明
{
private int year;                  		//成员变量，表示年
    	private int month;                		//成员变量，表示月
    	private int day;                  			//成员变量，表示日
    	
    	public Date2(int y, int m, int d)       //构造方法
    	{
      	year = y;
        	month = m;
        	day = d;
    	} 
    
    	public Date2()       					//构造方法
    {
     	year = 2004;
        	month = 8;
        	day = 10;
    	} 
    
    	public void Print()                       	//输出日期值
    	{
     	System.out.println("date is "+year+'-'+month+'-'+day);
    	} 
    
    	public void Print(int y)            		//输出日期值
    	{
     	System.out.println("date is "+y+'-'+month+'-'+day);
    	} 
            
    	public static void main(String args[])
    	{
     	Date2 a = new Date2(2003,1,1) ;          //创建对象
        	Date2 b = new Date2() ;           		//创建对象  
        	a.Print();
        	b.Print(2000);
    	} 
}