Calendar programming code of java program?

Public static void main(String[] args) {

calendar calendar = calendar . getinstance（）；

Calendar.set (calendar year, 2012);

Calendar.set (calendar month,1);

Calendar.set (calendar month and day,1);

Int first = calendar.get (calendar. Day of the week)-1;

System. out . println（calendar . get（calendar . year）+“year“

+(calendar.get (calendar.month)+1)+"calendar");

system . out . println（“Day \ t 1 \ T2 \ T3 \ T4 \ t5 \ T6“）；

for(int I = 0； I'm < first; i++) {

system . out . print（“\ t“）；

}

int maxDay = Calendar . getactualmaximum（Calendar。 Month day);

for(int I = 0； I & ltmaxdayi++)

if（first/7 = = 1 ）{

first = 0；

system . out . println（）；

}

system . out . print（I+ 1

+（first/6 = = 1 | | I = = maxDay- 1？ ““:“\ t“））；

The first++;

}

}