importjava.util.*;publicclassE{publicstaticvoidmain(Stringargs[]){intyear1,month1,day1,year2,month2,day2;try{year1=Integer.parseInt(args[0]);month1=Integer.parseInt(args[1]);day1=Integer.parseInt(args[2]);year2=Integer.parseInt(args[3]);month2=Integer.parseInt(args[4]);day2=Integer.parseInt(args[5]);}catch(NumberFormatExceptione){year1=2012;month1=0;day1=1;year2=2018;month2=0;day2=1;}Calendarcalendar=Calendar.getInstance();calendar.set(year1,month1-1,day1);longtimeYear1=calendar.getTimeInMillis();calendar.set(year2,month2-1,day2);longtimeYear2=calendar.getTimeInMillis();long相隔天数=Math.abs((timeYear1-timeYear2)/(1000*60*60*24));System.out.println("" year1 "年" month1 "月" day1 "日和" year2 "年" month2 "月" day2 "日相隔" 相隔天数 "天");}}