📄 date1.java
字号:
public class Date1
{
int year,month,day;
void setDate(int y,int m,int d)
{
year=y;
month=m;
day=d;
}
boolean isLeapYear()
{
return(year%400==0)||(year%100!=0)&&(year%4==0);
}
void print()
{
System.out.println("date is "+year+'-'+month+'-'+day);
}
public static void main(String args[])
{
System.out.println("------//声明日期类");
Date1 a=new Date1();
a.setDate(2006,1,28);
a.print();
Date1 tomorrow=a;
tomorrow.year=2007;
System.out.println(a.year+" is a leap year,"+tomorrow.isLeapYear());
}
}
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