//寫一個日歷import java.util.Scanner;public class rili{?? ?public static void main(String[] args){?? ??? ?Scanner in=new Scanner(System.in);?? ??? ?System.out.println("請輸入年份: ");?? ??? ?int year=in.nextInt();?? ??? ?System.out.println("請輸入月份: ");?? ??? ?int month=in.nextInt();?? ??? ?int sum=0;?? ??? ?for(int i=1900;i<year;i++){?? ??? ??? ?if(i%4==0&&i%100!=0||i%400==0){?? ??? ??? ??? ?sum+=366;?? ??? ??? ?}else{?? ??? ??? ??? ?sum+=365;?? ??? ??? ?}?? ??? ?}?? ??? ?for(int i=1;i<month;i++){?? ??? ??? ?if(i==2){?? ??? ??? ??? ?if(year%4==0&&year%100!=0||year%400==0){?? ??? ??? ??? ??? ?sum+=29;?? ??? ??? ??? ?}else{?? ??? ??? ??? ??? ?sum+=28;?? ??? ??? ??? ?}?? ??? ??? ?}else{?? ??? ??? ??? ?if(i==4||i==6||month==9||i==11){?? ??? ??? ??? ??? ?sum+=30; ?? ??? ??? ??? ?}else{?? ??? ??? ??? ??? ?sum+=31;?? ??? ??? ??? ?}?? ??? ??? ??? ??? ??? ??? ??? ?}?? ??? ?}?? ??? ?sum+=1;?? ??? ?int wekday=sum%7;?? ??? ?System.out.println("日\t一\t二\t三\t四\t五\t六");?? ??? ?for(int i=1;i<=wekday;i++){?? ??? ??? ?System.out.print("\t");?? ??? ?}?? ??? ?for(int i=1;i<=30;i++){?? ??? ??? ?if(sum%7==6){?? ??? ??? ??? ?System.out.print(i+"\n");?? ??? ??? ?}else{?? ??? ??? ??? ?System.out.print(i+"\t");?? ??? ??? ?}?? ??? ??? ?sum++;?? ??? ?}?? ?}?? ?}