Calendar类中的setFirstDayOfWeek(int day_val)方法用于在此Calendar中使用day_val设置一周的第一天。
用法:
public void set(int day_val)
参数:该方法采用整数类型的一个参数day_val,表示一周中的第一天。
返回值:该方法不返回任何值。
以下示例程序旨在说明Calendar类的setFirstDayOfWeek()方法的用法:
示例1:
// Java code to illustrate
// setFirstDayOfWeek() method
import java.util.*;
public class Calendar_Demo {
public static void main(String args[])
{
// Creating calendar object
Calendar calndr = Calendar.getInstance();
// Displaying first day of the week
int first_day = calndr.getFirstDayOfWeek();
System.out.println("The Current"
+ " First day of the week: "
+ first_day);
// Changing the first day of week
calndr.setFirstDayOfWeek(Calendar.THURSDAY);
// Displaying the alternate day
first_day = calndr.getFirstDayOfWeek();
System.out.println("The new first"
+ " day of the week: "
+ first_day);
}
}
输出:
The Current First day of the week: 1 The new first day of the week: 5
示例2:
// Java code to illustrate
// setFirstDayOfWeek() method
import java.util.*;
public class Calendar_Demo {
public static void main(String args[])
{
// Creating calendar object
Calendar calndr
= new GregorianCalendar(2018, 6, 10);
// Displaying first day of the week
int first_day = calndr.getFirstDayOfWeek();
System.out.println("The"
+ " First day of the week: "
+ first_day);
// Changing the first day of week
calndr.setFirstDayOfWeek(Calendar.MONDAY);
// Displaying the alternate day
first_day = calndr.getFirstDayOfWeek();
System.out.println("The new first"
+ " day of the week: "
+ first_day);
}
}
输出:
The First day of the week: 1 The new first day of the week: 2
参考: https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html#setFirstDayOfWeek-int-
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注:本文由纯净天空筛选整理自Chinmoy Lenka大神的英文原创作品 Calendar setFirstDayOfWeek() Method in Java with Examples。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。