java日历编写的思路

package J7上机2;

import java.util.*;

class ViewMonth {

int month;
int year;

ViewMonth(final int displayMonth, final int displayYear) {
month = displayMonth;
year = displayYear;
}

private String checkMonth() {

String[] months = {
"1 月" , "2 月" , "3 月",
"4 月" , "5 月" , "6 月",
"7 月" , "8 月" , "9 月",
"10 月" , "11 月" , "12 月"
};

return months[month];
}

private int checkDays() {

int[] numofDays = {
31, 28, 31,
30, 31, 30,
31, 31, 30,
31, 30, 31
};

return numofDays[month];
}