Kalkulating Execution Czas in Java: Methods andd Real- Eternal Examples
Mierzy się te execution time of code is essential for optimizing performance in Java applications. Pomaga developers identify nexecks andd improwize efficiency. This article explores consumn methods to calculate execution time and providees practial examples.
Using System.nanotime ()
Te informacje są dostępne w formie elektronicznej, ale nie są dostępne.
Egzamin:
Xiv1; Xiv1; FLT: 0 Xiv3; Xiv3; long startTime = System.nanoTime (); Xiv1; Xiv1; FLT: 1 Xiv3; Xiv3; Xiv3;
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Xion1; Xion1; FLT: 0 Xion3; Xion3; long endTime = System.nanoTime (); Xion1; Xion1; FLT: 1 Xion3; Xion3; Xion3;
Xiv1; Xiv1; FLT: 0 Xiv3; Xiv3; long duration = endTime - startTime; Xiv1; Xiv1; FLT: 1 Xiv3; Xiv3; Xiv3;
Using System.currentTimeMillis ()
Thee eng1; Xi1; FLT: 0 = 3; Xi3; System.currentTimeMillis () Xi1; Xi1; FLT: 1 = 3; Xi3; metod provides the content time in milliseconds. It is less precise than Xion1; Xi1; FLT: 0 = 3; Xion3; But apparable for measuruing longer durations. Xiair to the previous methodd, Xid Thee starte and entimes around the code code block.
Egzamin:
Xiv1; Xiv1; FLT: 0 Xiv3; Xiv3; long startTime = System.currentTimeMillis (); Xiv1; Xiv1; FLT: 1 Xiv3; Xiv3; Xiv3;
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Xion1; Xion1; FLT: 0 Xion3; Xion3; long endTime = System.currentTimeMillis (); Xion1; FLT: 1 Xion3; Xion3; Xion3;
Xiv1; Xiv1; FLT: 0 Xiv3; Xiv3; long duration = endTime - startTime; Xiv1; Xiv1; FLT: 1 Xiv3; Xiv3; Xiv3;
Klamry Using Java 's
The is 1; Xi1; FLT: 0 is 3; Xi3; Instant is 1; Xi1; FLT: 1 is 3; Xi3; class from the e e Xion1; Xion1; FLT: 2 is 3; Xion3; java.time Xion1; Xion1; FLT: 3 is 3; Xion3; FLT: 3; Xion3; package offers a modern approvach to time meremerement. It provideves nasecond precision and is approphable for mevaluing durants.
Egzamin:
Xion1; Xion1; FLT: 0 Xion3; Xion3; Instant start = Instant.now (); Xion1; Xion1; FLT: 1 Xion3; Xion3;
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Xion1; Xion1; FLT: 0 Xion3; Xion3; Instant end = Instant.now (); Xion1; FLT: 1 Xion3; Xion3;
Xion1; Xion1; FLT: 0 Xion3; Xion3; Duration duration = Duration.between (start, end); Xion1; Xion1; FLT: 1 Xion3; Xion3; Xion3;
Example real- eterd
Suppose you want to o measure how long it takes to a large array. Using present 1; present 1; FLT: 0 presenta3; presenta3; System.nanoTime () presenta1; presentation 1; FLT: 1 presenta3; presentation 3;, you can implement the afleing:
Xi1; Xi1; FLT: 0 Xi3; Xi3; int Xi1; Xi3; array = new int Xi1; 1 _ 000 _ 000 Xi3;; Xi1; Xi1; FLT: 1 Xi3; Xi3;
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Xiv1; Xiv1; FLT: 0 Xiv3; Xiv3; long startTime = System.nanoTime (); Xiv1; Xiv1; FLT: 1 Xiv3; Xiv3; Xiv3;
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Xion1; Xion1; FLT: 0 Xion3; Xion3; long endTime = System.nanoTime (); Xion1; Xion1; FLT: 1 Xion3; Xion3; Xion3;
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