java三角形、NextDay、佣金问题代码.doc

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 nextdaypublic 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(year2012)System.out.print(请输入18122012范围内的年份！n);if(1month | month12)System.out.print(请输入112范围内的月份！n);if(1day | day31)System.out.print(请输入131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(day31)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(day30)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(day31)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(daylocks | locks70)System.out.println(对不起，枪机数不能为负数且厂商限制一个月只能卖出少于70个！);if(1=stocks | locks=80)System.out.println(对不起，枪托数不能为负数且厂商限制一个月只能卖出少于80个！);if(1=barrels | barrels=90)System.out.println(对不起，枪管数不能为负数且厂商限制一个月只能卖出少于90个！);totallocks=totallocks+locks;totalstocks=totalstocks+stocks;totalbarrels=totalbarrels+barrels;System.out.print(Locks sold:+totallocks+nStocks sold:+totalstocks+nbarrels sold:+totalbarrels+n);double locksales=lockprice*totallocks;double stocksales=stockprice*totalstocks;double barrelsales=barrelprice*totalbarrels;double sales=locksales+stocksales+barrelsales;System.out.print(total sales:+sales);if(sales1800) commission=0.10*1000; commission=commission+0.15*800; commission=commission+0.20*(sales-1800);else if(sales1000