Java 日历 getFirstDayOfWeek()方法及示例
日历类中的 getFirstDayOfWeek() 方法用于返回该日历的一周中的第一天。
语法:
public int getFirstDayOfWeek()
参数: 该方法不接受任何参数。
返回值: 该方法返回一周的第一天。
以下程序说明了日历类的getFirstDayOfWeek()方法的工作原理:
例子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("Thursday");
break;
case 6:
System.out.println("Friday");
break;
case 7:
System.out.println("Saturday");
break;
}
}
}
输出
The First day is: 1
Sunday
**参考资料: **https://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html#getFirstDayOfWeek()