Instant before = Instant.now();
/*
do something
*/
Instant after = Instant.now();
Duration duration = Duration.between(before, after);
System.out.println("time = " + duration.toMillis() + " ms");Instant before = Instant.now();
/*
do something
*/
Instant after = Instant.now();
Duration duration = Duration.between(before, after);
System.out.println("time = " + duration.toMillis() + " ms");
java
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