rili.java

一些Java的小的应用程序

/**日历*/
public class Rili 
{
public static void main(String[] args) 
{int a,year,c,m=1,i,j=0; 
System.out.println("Enter the year  please!"); 
year=SavitchIn.readLineInt(); 
a=(year-1)+(year-1)/4-(year-1)/100+(year-1)/400+1; 
a%=7; 
int [] month={1,2,3,4,5,6,7,8,9,10,11,12}; 
int[] number=new int[40]; 
if(isleap(year))c=29;
else c=28;
int[] b={31,c,31,30,31,30,31,31,30,31,30,31}; 
for(j=0;j<b.length ;j++) 
{System.out.println(month[j]+"月："); 
System.out.println("\t日"+"\t一"+"\t二"+"\t三"+"\t四"+"\t五"+"\t六"); 
for(i=0;i<a;i++)System.out.print("\t"); 
for(i=a;i<b[j]+a;i++) 
{number[i]=m; 
if (m<=9)System.out.print( "\t"+ number[i]); 
else System.out.print( "\t"+number[i]);  
m++; 
if(i%7==6)System.out.println(); 
} 
System.out.println(); 
a=(a+b[j])%7; 
m=1; 
} 
}
public static boolean isleap(int year){
	return (year%400==0|(year%100==0&year%4==0));} 
}