Java Calendar getActualMinimum()方法
java.util.Calendar类的getActualMinimum()方法返回一个整数值，该值是作为参数传递的日历字段的最小可能值。获取getActualMinimum()方法。例如，DATE字段的最小值为1，而MONTH字段的最小值为0。
语法
public int getActualMinimum(int field)
参数
field-日历字段，例如MONTH，HOUR，DAY_OF_MONTH等。
返回
返回一个整数值，该整数值是作为参数传递的字段的最大值。
抛出
不抛出任何异常。
示例1
import java.util.*;
public class CalendargetactualminimumExample1 {
public static void main(String[] args) {
// create a calendar
Calendar cal = Calendar.getInstance();
// return the minimum value that Year field can have.
int year = cal.getActualMinimum(Calendar.YEAR);
System.out.println("Minimum year value:" + year);
// return the minimum value that Year field can have.
int Month = cal.getActualMinimum(Calendar.MONTH);
System.out.println("Minimum Month value:" + Month);
// return the minimum value that day field can have.
int day = cal.getActualMinimum(Calendar.DAY_OF_WEEK);
System.out.println("Minimum Day value:" + year);
}
}
输出:
Minimum year value:1
Minimum Month value:0
Minimum Day value:1
示例2
import java.util.*;
public class CalendargetactualminimumExample2 {
public static void main(String[] args) {
// create a calendar
Calendar cal = Calendar.getInstance();
// get minimum HOUR field value and assign it in hour variable
int Hour = cal.getActualMinimum(Calendar.HOUR);
System.out.println("Minimum HOUR value is:" + Hour);
// get minimum HOUR field value and assign it in hour variable
int Minute = cal.getActualMinimum(Calendar.MINUTE);
System.out.println("Minimum Minute value is:" + Minute);
// get minimum HOUR field value and assign it in hour variable
int Second = cal.getActualMinimum(Calendar.SECOND);
System.out.println("Minimum Second value is:" + Second);
}
}
输出:
Minimum HOUR value is:0
Minimum Minute value is:0
Minimum Second value is:0
示例3
import java.util.*;
public class CalendargetactualminimumExample3 {
public static void main(String[] args) {
// create a calendar
Calendar cal = Calendar.getInstance();
// get minimum value of passed fields and stores in corresponding parameter.
int day1 = cal.getActualMinimum(Calendar.DAY_OF_WEEK_IN_MONTH);
System.out.println("Minimum value for DAY_OF_WEEK_IN_MONTH is :" + day1);
int day2 = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
System.out.println("Minimum value for DAY_OF_MONTH is :" + day2);
int dt = cal.getActualMinimum(Calendar.DATE);
System.out.println("Minimum value for DATE is :" + dt);
}
}
输出:
Minimum value for DAY_OF_WEEK_IN_MONTH is :1
Minimum value for DAY_OF_MONTH is :1
Minimum value for DATE is :1
