java 获取某年某月的最大天数

import java.util.Calendar;

/**
* Created by 成 on 2014/12/13.
*/
public class Test {
public static void main(String[] args) {
int daysOfFebruary = getMaxDaysOfOneMonth(2014, 2);
System.out.print(daysOfFebruary);

}
private static int getMaxDaysOfOneMonth(int year,int month)
{
int day = 1;
Calendar cal = Calendar.getInstance();
cal.set(year,month - 1,day);
return cal.getActualMaximum(Calendar.DATE);
}
}