java三角形NextDay佣金问题代码.docVIP

三角形问题： import java.util.Scanner; public class sanjiaoxing public static void main String[] args System.out.print Enter 3 integers which are sides of a triangle:\n ; Scanner input new Scanner System.in ; double a input.nextDouble ; double b input.nextDouble ; double c input.nextDouble ; System.out.println side a is:+a+ side b is:+b+ side c is:+c ; boolean istriangle true; if a+b c || a+c b || c+b a istriangle false; if istriangle false System.out.print Not a triangle（不是三角形） ; else if a b || a c || b c System.out.print Isosceles（等腰三角形）! ; else if a b a c System.out.print Equilateral（等边三角形） ; else if a! b a! c System.out.print Sfcalene（一般三角形） ; Nextday问题： import java.util.Scanner; public class nextday public static void main String[] args System.out.print Enter year/month/day: ; Scanner input new Scanner System.in ; int year input.nextInt ; int month input.nextInt ; int day input.nextInt ; if year 1812 || year 2012 System.out.print 请输入1812~2012范围内的年份！\n ; if 1 month || month 12 System.out.print 请输入1~12范围内的月份！\n ; if 1 day || day 31 System.out.print 请输入1~31范围内的日期！\n ; else //System.out.print year is:+year+ month is:+month+ day is:+day+\n ; int tomorrowday day,tomorrowmonth month,tomorrowyear year; switch month case 1 : case 3 : case 5 : case 7 : case 8 : case 10 : if day 31 tomorrowday day+1; else tomorrowday 1; tomorrowmonth month+1; System.out.print Tomorrows date is:+tomorrowyear+/+tomorrowmonth+/+tomorrowday ; break; case 4: case 6: case 9: case 11: if day 30 tomorrowday day+1; else if day 30 tomorrowday 1; tomorrowmonth month+1; else if day 31 System.out.print month+月没有31天！ ; break; System.out.print Tomorrows date is:+tomorrowyear+/+tomorrowmonth+/+tomorrowday ; break; case 12: if day 31 tomorrowday day+1; else if day 31 tomorrowday 1; tomorrowmonth 1; tomorrowyear year+1; System.out.print Tomorrows date is:+tomorrowyear+/+tomorrowmonth+/+tomorrowday ; break; case 2: if day 28 tomor