date2.java

来自「非常好的JAVA学习资料」· Java 代码 · 共 29 行

public class Date2
{int year,month,day;
 public void setdate(int y,int m,int d)
 {year=y;
  month=m;
  day=d;}
 void today()
 { System.out.println("The date of today is "+year+"/"+month+"/"+day);}
 boolean isleap(int y)
 { return (y%4==0&y%100!=0)|y%400==0 ;}
 void tomorrow()
 { int d,m,y;
   d=day+1;m=month;y=year;
   if((d>28)&month==2)
     {if(!isleap(year)|d>29)
      {d=1;m=m+1;}}
   else if(d>30&(month<7&month%2==0|month>7&month%2==1))
          {d=1;m=m+1;}
        else if(d>31)
             {d=1;m=m+1;
              if(m==13){y=y+1;m=1;}}
 System.out.println("The date of tomorrow is "+y+"/"+m+"/"+d);}
 public static void main(String args[])
 {Date2 de=new Date2();
  de.setdate(2000,2,29);
  if(de.isleap(de.year))System.out.println(de.year+" is a leap year");
  de.today();
  de.tomorrow();}
   }