java.util.Calendar.getFirstDayOfWeek() 方法返回一週的第一天。
以下是java.util.Calendar.getFirstDayOfWeek()方法的宣告
public int getFirstDayOfWeek()
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該方法返回一週的第一天。
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下面的範例演示java.util.calendar.getFirstDayOfWeek()方法的用法。
package com.yiibai; import java.util.*; public class CalendarDemo { public static void main(String[] args) { // create a new calendar Calendar cal = Calendar.getInstance(); // print the first day of the week System.out.println("First day is :" + cal.getFirstDayOfWeek()); int day = cal.getFirstDayOfWeek(); switch (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; } } }
讓我們來編譯和執行上面的程式,這將產生以下結果:
First day is :2 Monday