java.time.Instant isBefore()方法

java.time.Instant.isBefore(Instant otherInstant)方法检查此瞬间是否在指定的时刻之前。

1 语法

public boolean isBefore(Instant otherInstant)

2 参数

otherInstant：比较的另一个瞬间，而不是null。

3 返回值

如果此时刻在指定时刻之前，则为true。

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 *  java.time.Instant isBefore()方法
 */
import java.time.Instant;

public class InstantDemo {
   public static void main(String[] args) {

      Instant instant = Instant.parse("2017-02-03T10:37:30.00Z");
      System.out.println("Instant #1: " + instant);  

      Instant instant1 = Instant.parse("2017-03-03T10:37:30.00Z");
      System.out.println("Instant #2: " + instant1);  

      boolean result = instant.isBefore(instant1);
      System.out.println(result ? "Instant #1 is before Instant #2."
         :"Instant #1 is not before as Instant #2.");  
   }
}

输出结果为：

Instant #1: 2017-02-03T10:37:30Z
Instant #2: 2017-03-03T10:37:30Z
Instant #1 is before Instant #2.