Java 中的 Calendar getActualMinimum()方法，带示例
原文:https://www . geeksforgeeks . org/calendar-getactuallminium-method-in-Java-with-examples/
calendar 类的getactuallminimum(intfield _ value)方法用于根据此 Calendar 的时间值返回指定日历字段可能具有的最小值。
语法:
public int getActualMinimum(int *field_value*)
参数:该方法取整数类型的一个参数 field_value ，指需要返回最小值的日历。
返回值:该方法返回传递字段的最小值。
下面的程序说明了 Calendar 类的 getActualMinimum()方法的工作: 例 1:
// Java Code to illustrate
// getActualMinimum() Method
import java.util.*;
public class CalendarClassDemo {
public static void main(String args[])
{
// Creating a calendar
Calendar calndr = Calendar.getInstance();
// Getting the Minimum value that
// year field can have
int yr
= calndr.getActualMinimum(Calendar.YEAR);
System.out.println("The Minimum year: "
+ yr);
// Getting the Minimum value that
// month field can have
int mon
= calndr.getActualMinimum(Calendar.MONTH);
System.out.println("The Minimum Month is: "
+ mon);
}
}
Output:
The Minimum year: 1
The Minimum Month is: 0
例 2:
// Java Code to illustrate
// getActualMinimum() Method
import java.util.*;
public class CalendarClassDemo {
public static void main(String args[])
{
// Creating a calendar object
Calendar calndr
= new GregorianCalendar(2018, 9, 2);
// Getting the Minimum value that
// year field can have
int yr
= calndr.getActualMinimum(Calendar.YEAR);
System.out.println("The Minimum year: "
+ yr);
// Getting the Minimum value that
// month field can have
int mon
= calndr.getActualMinimum(Calendar.MONTH);
System.out.println("The Minimum Month is: "
+ mon);
}
}
Output:
The Minimum year: 1
The Minimum Month is: 0
参考:https://docs . Oracle . com/javase/7/docs/API/Java/util/calendar . html # getactuallminimum(int)
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