【Java】利用Java实现日历
import java.util.*;
public class Main{
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
System.out.println("请输入年份：");
int year=in.nextInt();
System.out.println("请输入月份：");
int month=in.nextInt();
System.out.println(" "+year+"年"+month+"月");
System.out.println("--------------------------");
int sum=0;
for(int i=0;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||i==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++;
}
}
}
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