Java练习题万年历

爱被打了一巴掌 2021-11-22 11:26 227阅读 0赞

1 题目要求：  
![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JsZXNzaW5nWFJZ_size_16_color_FFFFFF_t_70][]  
2 代码：

package love;
    
    import java.util.*;
    
    public class demo03 {
    	public static void main(String args[]) {
    		Scanner scan = new Scanner(System.in);
    		while(scan.hasNext()) {
    			int y = scan.nextInt();
    			int m = scan.nextInt();
    			if(judgeLeapYear(y)) {
    				System.out.println("输入的年是闰年");
    			}
    			else {
    				System.out.println("输入的年不是闰年");
    			}
    			System.out.println("输入的月份的天数是：" + searchMonthDay(y, m));
    			int sum1 = 0;
    			for(int i = 1900; i < y; i++) {
    				sum1 += searchYearDay(i);
    			}
    			System.out.println("输入的年份距1900年1月1日的总天数是：" + sum1);
    			int sum2 = 0;
    			for(int i = 1; i < m; i++) {
    				sum2 += searchMonthDay(y, i);
    			}
    			System.out.println("输入的月份距输入的年份的1月1日的总天数是：" + sum2);
    			int sum = sum1 + sum2;
    			System.out.println("输入月的第一天的星期数是：" + searchWeekX(sum%7));
    			System.out.println("星期日	星期一	星期二	星期三	星期四	星期五	星期六");
    			int cnt = searchWeekX(sum%7);
    			if(cnt < 7) {
    				for(int i = 0; i < cnt; i++) {
    					System.out.printf("    	");
    				}
    			}
    			for(int i = 1; i <= searchMonthDay(y, m); i++) {
    				System.out.printf("%-2d  	", i);
    				if((cnt+i)%7 == 0) {
    					System.out.println();
    				}
    			}
    			if(cnt+searchMonthDay(y, m)%7 != 0) {
    				System.out.println();
    			}
    		}
    	}
    	public static boolean judgeLeapYear(int x) {
    		if((x%4 == 0 && x%100 != 0) || (x%400 == 0)) {
    			return true;
    		}
    		else {
    			return false;
    		}
    	}
    	public static int searchMonthDay(int y, int m) {
    		if(m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) {
    			return 31;
    		}
    		else if(m == 2) {
    			if(judgeLeapYear(y)) {
    				return 29;
    			}
    			else {
    				return 28;
    			}
    		}
    		else {
    			return 30;
    		}
    	}
    	public static int searchYearDay(int y) {
    		if(judgeLeapYear(y)) {
    			return 366;
    		}
    		else {
    			return 365;
    		}
    	}
    	public static int searchWeekX(int x) {
    		return x+1;
    	}
    }

3 演示截图：  
![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JsZXNzaW5nWFJZ_size_16_color_FFFFFF_t_70 1][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JsZXNzaW5nWFJZ_size_16_color_FFFFFF_t_70]: /images/20211122/0a0362b86f0b4c30bf6bfe67e0076c05.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JsZXNzaW5nWFJZ_size_16_color_FFFFFF_t_70 1]: /images/20211122/df86867eef084a0fb8dafa94f987e967.png