java - Jav8 : Computing Elapsed time for Timestamp

Question

我有下面的代码来获取当前时间戳并计算最后时间戳的耗时(以分钟为单位)，我想知道是否可以进一步针对生产进行优化

public static Timestamp getTimestamp() {
    java.util.Date date= new java.util.Date();       
    long time = date.getTime();          
    java.sql.Timestamp ts = new java.sql.Timestamp(time);
    return ts;
}

public static long getLastTimestampElapse(java.sql.Timestamp oldTime){
  long milliseconds1 = oldTime.getTime();
  long milliseconds2 = getTimestamp().getTime();
  long diff = milliseconds2 - milliseconds1;      
  long diffMinutes = diff / (60 * 1000);      
  return diffMinutes;
}

Answer 1

从 Java 8 开始，您可以使用 Duration类:

Timestamp timestamp = ...;
Duration duration = Duration.between(timestamp.toInstant(), Instant.now());
long diffMinutes = duration.toMinutes();
System.out.println(diffMinutes);