JAVA基本语法-switch--从键盘上输入year、month和day,要求通过程序输出该日期为该年的第几天
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从键盘上输入year、month和day,要求通过程序输出该日期为该年的第几天
import java.util.Scanner;
class Test{
public static void main(String[] args){
Scanner scan=new Scanner(System.in);
System.out.println("请输入year");
int year=scan.nextInt();
System.out.println("请输入month");
int month=scan.nextInt();
System.out.println("请输入day");
int day=scan.nextInt();
int sumDays=0;
switch(month){
case 12: sumDays+=30;
case 11: sumDays+=31;
case 10: sumDays+=30;
case 9: sumDays+=31;
case 8: sumDays+=31;
case 7: sumDays+=30;
case 6: sumDays+=31;
case 5: sumDays+=30;
case 4: sumDays+=31;
case 3:
if(( year%4==0 && year%100!=0 )|| (year%400==0) ){
sumDays+=29;
}
else{
sumDays+=28;
}
case 2: sumDays+=31;
case 1: sumDays+=day;
}
System.out.println(sumDays);
}
}
标签:case,JAVA,第几天,--,31,System,month,sumDays,day 来源: https://www.cnblogs.com/fate-/p/15759150.html