Java Calendar getFirstDayOfWeek()用法及代码示例

Calendar类中的getFirstDayOfWeek()方法用于返回此Calendar的第一天。

用法:

public int getFirstDayOfWeek()

参数：该方法不带任何参数。

返回值：该方法返回一周的第一天。

以下示例程序旨在说明Calendar类的getFirstDayOfWeek()方法的用法：
示例1:

// Java code to illustrate 
// getFirstDayOfWeek() method 
  
import java.util.*; 
  
public class Calendar_Demo { 
    public static void main(String[] args) 
    { 
  
        // Creating calendar object 
        Calendar calndr = Calendar.getInstance(); 
  
        // Displaying the first 
        // day of the week 
        System.out.println("The First day"
                           + " is: " + calndr.getFirstDayOfWeek()); 
  
        int the_day = calndr.getFirstDayOfWeek(); 
        switch (the_day) { 
        case 1: 
            System.out.println("Sunday"); 
            break; 
        case 2: 
            System.out.println("Monday"); 
            break; 
        case 3: 
            System.out.println("Tuesday"); 
            break; 
        case 4: 
            System.out.println("Wednesday"); 
            break; 
        case 5: 
            System.out.println("Thrusday"); 
            break; 
        case 6: 
            System.out.println("Friday"); 
            break; 
        case 7: 
            System.out.println("Saturday"); 
            break; 
        } 
    } 
}

输出：

The First day is: 1
Sunday

参考： https://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html#getFirstDayOfWeek()

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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 getFirstDayOfWeek() 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。