java clock计时

Clock Class systemUTC()方法 (Clock Class systemUTC() method)

• systemUTC() method is available in java.time package.

  systemUTC()方法在java.time包中可用。

• systemUTC() method is used to get a Clock that implements the suitable system clock in the UTC zone.

  systemUTC()方法用于获取在UTC区域中实现适当系统时钟的Clock。

• systemUTC() method is a static method, it is accessible with the class name and if we try to access the method with the class object then we will not get an error.

  systemUTC()方法是静态方法，可以使用类名进行访问，如果尝试使用类对象访问该方法，则不会出错。

• systemUTC() method does not throw an exception at the time of representing Clock.

  在表示Clock时， systemUTC()方法不会引发异常。

Syntax:

句法：

public static Clock systemUTC();

Parameter(s):

参数：

• None

  没有

Return value:

返回值：

The return type of this method is Clock, it returns the present instant that use the relevant system clock in the UTC zone.

该方法的返回类型为Clock ，它返回使用UTC区域中相关系统时钟的当前时刻。

Example:

例：

// Java program to demonstrate the example // of systemUTC() method of Clockimport java.time.*;public class SystemUTCOfClock {
       public static void main(String args[]) {
           // Instantiates a ZoneId for Accra         ZoneId zone_1 = ZoneId.of("Africa/Accra");        // Instantiates a clock for        // the given zone_1         Clock cl1 = Clock.system(zone_1);        // returns a Clock that returns the current        // instant with help of using the system clock         // in the UTC time-zone        Clock sys_utc_zone = cl1.systemUTC();        System.out.println("cl1.systemUTC(): " + sys_utc_zone.toString());        sys_utc_zone = Clock.systemUTC();        System.out.println("Clock.systemUTC(): " + sys_utc_zone.toString());    }}

Output

输出量

cl1.systemUTC(): SystemClock[Z]Clock.systemUTC(): SystemClock[Z]

翻译自:

java clock计时