Java GregorianCalendar getActualMinimum（）方法与示例

GregorianCalendar类getActualMinimum()方法 (GregorianCalendar Class getActualMinimum() method)

getActualMinimum() method is available in java.util package.
getActualMinimum()方法在java.util包中可用。
getActualMinimum() method is used to get the actual minimum value that this GregorianCalendar field (fi) can hold.
getActualMinimum()方法用于获取此GregorianCalendar字段(fi)可以容纳的实际最小值。
getActualMinimum() method is a non-static method, it is accessible with class object only and if we try to access the method with class name then we will get an error.
getActualMinimum()方法是一个非静态方法，只能使用类对象访问，如果尝试使用类名访问该方法，则会收到错误消息。
getActualMinimum() method does not throw an exception at the time of returning minimum value that the given field can hold.
返回给定字段可以容纳的最小值时， getActualMinimum()方法不会引发异常。

Syntax:

句法：

    public int getActualMinimum(int fi);

Parameter(s):

参数：

int fi – represents the GregorianCalendar field (fi).
int fi –表示GregorianCalendar字段(fi)。

Return value:

返回值：

The return type of this method is int, it returns actual minimum value of the given field (fi).

此方法的返回类型为int ，它返回给定字段(fi)的实际最小值。

Example:

例：

// Java program to demonstrate the example 
// of int getActualMinimum(int fi) method of 
// GregorianCalendar
import java.util.*;
public class GetActualMinimumOfGregorianCalendar {
public static void main(String[] args) {
// Instantiating a GregorianCalendar object
GregorianCalendar ca = (GregorianCalendar) GregorianCalendar.getInstance();
// Display current GregorianCalendar
System.out.println("ca: " + ca.getTime());
// By using getActualMinimum() method is to
// return the minimum value of the given field
// that can hold
int year = ca.getActualMinimum(GregorianCalendar.YEAR);
int month = ca.getActualMinimum(GregorianCalendar.MONTH);
int day = ca.getActualMinimum(GregorianCalendar.DATE);
// Display Minimum value of GregorianCalendar Fields
System.out.println("ca.getActualMinimum(GregorianCalendar.YEAR): " + year);
System.out.println("ca.getActualMinimum(GregorianCalendar.MONTH): " + month);
System.out.println("ca.getActualMinimum(GregorianCalendar.DATE): " + day);
}
}

Output

输出量

ca: Sat Feb 15 08:43:25 GMT 2020
ca.getActualMinimum(GregorianCalendar.YEAR): 1
ca.getActualMinimum(GregorianCalendar.MONTH): 0
ca.getActualMinimum(GregorianCalendar.DATE): 1