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万年历

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packagex804;

publicclassWnl{/*1、判断闰年的方法////
*/
staticintyearMonthDays(intyear,intmonth{intyearMonthDays=0;
switch(month{
case1:case3:case5:case7:
@paramyearreturntrue/false
*/
staticbooleanisLeapYear(intyear{}
booleanb=year%4==0&&year%100!=0||year%400==0;
System.out.println("isLeapYear(intyear...."+year+"年"+b;returnb;
/*
2、某年有多少天@paramyearreturn366/365*/
staticintyearDays(intyear{}
intyearDays=0;if(isLeapYear(year{yearDays=366;}else{
yearDays=365;}
System.out.println("yearDays(intyear...."+year+"年"+yearDays;returnyearDays;
/*
3、某年某月有多少天@paramyearmonthreturn天数

////

case8:
case10:case12:yearMonthDays=31;break;case4:case6:case9:case11:
yearMonthDays=30;break;case2:
if(isLeapYear(year{yearMonthDays=29;}else{
yearMonthDays=28;}
break;
default:System.out.println("yearMonthDays...."+month+"月"+"出现错误";
}
System.out.println("yearMonthDays(intyear,intmonth...."+year+"年"+month+"月有
"+yearMonthDays;returnyearMonthDays;
}/*
某年某月到2011.1.1共有多少天@paramyearmonthreturn天数*/
staticintyearMonthDayTO2011(intyear,intmonth{intyearMonthDayTO2011=0;
if(year>2011{for(inti=2011;i

yearMonthDayTO2011+=yearDays(i;}
for(inti=1;i}
yearMonthDayTO2011+=yearMonthDays(year,i;
}
elseif(year==2011{for(inti=1;i

//

yearMonthDayTO2011+=yearMonthDays(year,i;
}}
elseif(year<2011{for(inti=year+1;i<2011;i++{
}
for(inti=month;i<=12;i++{yearMonthDayTO2011+=yearMonthDays(year,i;}
yearMonthDayTO2011+=yearDays(i;
}
System.out.println("yearMonthDayTO2011(intyear,intmonth.."+year+"年"+month+"
月共有"+yearMonthDayTO2011;

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