Java Calendar getActualMaximum（）方法与示例

日历类的getActualMaximum()方法 (Calendar Class getActualMaximum() method)

getActualMaximum() method is available in java.util package.
getActualMaximum()方法在java.util包中可用。
getActualMaximum() method is used to return the maximum value that the given calendar field holds depend on the time of this Calendar.
getActualMaximum()方法用于返回给定日历字段所保留的最大值(取决于此Calendar的时间)。
getActualMaximum() method is a non-static method, it is accessible with the class object and if we try to access the method with the class name then we will get an error.
getActualMaximum()方法是一个非静态方法，可通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。
getActualMaximum() method does not throw an exception at the time of returning the maximum value of this Calendar field value.
返回此Calendar字段值的最大值时， getActualMaximum()方法不会引发异常。

Syntax:

句法：

    public int getActualMaximum(int fi);

Parameter(s):

参数：

int fi – it represents the given calendar field.
int fi –代表给定的日历字段。

Return value:

返回值：

The return type of the method is int, it returns the maximum value of the given calendar(fi).

方法的返回类型为int ，它返回给定Calendar(fi)的最大值。

Example:

例：

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

Output

输出量

ca: Fri Jan 24 12:55:16 GMT 2020
ca.getActualMaximum(Calendar.YEAR): 292278994
ca.getActualMaximum(Calendar.MONTH): 11
ca.getActualMaximum(Calendar.DATE): 31