java求出生到现在已经活了多少天

àì夳堔傛蜴生んèń 2023-06-19 09:57 12阅读 0赞

import java.util.\*;  
import java.util.Scanner;

public class Demo02已经活了多少天 \{  
public static void main(String\[\] args) \{  
int bgyear,bgmonth,bgday;  
int endyear,endmonth,endday;  
int sum=0;  
Scanner in=new Scanner(System.in);  
System.out.println(“请输入您的出生年份”);  
bgyear=in.nextInt();  
System.out.println(“请输入您的出生月份”);  
bgmonth=in.nextInt();  
System.out.println(“请输入您的出生日期”);  
bgday=in.nextInt();  
Date date=new Date();  
endyear=date.getYear()+1900;  
endmonth=date.getMonth()+1;  
endday=date.getDate();  
switch(bgmonth) \{  
case 1:  
case 3:  
case 5:  
case 7:  
case 8:  
case 10:  
case 12:  
sum+=31-bgday;break;  
case 4:  
case 6:  
case 9:  
case 11:  
sum+=30-bgday;break;  
case 2:  
if(bgyear%4000||bgyear%40&&bgyear%100!=0) \{  
sum+=29-bgday;  
\}  
else \{  
sum+=28-bgday;  
\}  
break;  
\}

for(int i=bgmonth+1;i<=12;i++) {
    		switch(i) {
    			case 1:
    			case 3:
    			case 5:
    			case 7:
    			case 8:
    			case 10:
    			case 12:
    				sum+=31;break;
    			case 4:
    			case 6:
    			case 9:
    			case 11:
    				sum+=30;break;
    			case 2:
    				if(bgyear%400==0||bgyear%4==0&&bgyear%100!=0) {
    					sum+=29;
    				}
    				else {
    					sum+=28;
    				}
    				break;
    		}
    	}
    	for(int i=bgyear+1;i<endyear;i++) {
    		if(i%400==0||i%4==0&&i%100!=0) {
    			sum+=366;
    		}
    		else {
    			sum+=365;
    		}
    	}
    	for(int i=1;i<endmonth;i++) {
    		switch(i) {
    		case 1:
    		case 3:
    		case 5:
    		case 7:
    		case 8:
    		case 10:
    		case 12:
    			sum+=31;break;
    		case 4:
    		case 6:
    		case 9:
    		case 11:
    			sum+=30;break;
    		case 2:
    			if(endyear%400==0||endyear%4==0&&endyear%100!=0) {
    				sum+=29;
    			}
    			else {
    				sum+=28;
    			}
    			break;
    		}
    	}
    	sum+=endday;
    	System.out.println("您已经活了"+sum+"天");
    	
    			
    	
    }