![]() Then we’ll quickly turn our focus to the alternatives themselves, explaining the strengths and weaknesses of each one. We’ll start by covering the different types of elapsed time calculation one might need to perform. In this post, we’ll offer some guidance so you can decide the most appropriate option to use when calculating elapsed time in Java. Additionally, third-party libraries add their own options to the mix. You have different alternatives brought to you by the Java API itself-and don’t forget that Java 8 brought us an entirely new date and time API, based on the popular Joda-time open-source project. Then, we have the problem that, in Java, there are many ways of performing this calculation. Failing to take DST into account when you should, can and often does result in incorrect calculations. For a quick example, remember that many places around the world observe Daylight Savings Time. How hard could that be? As it turns out, it can be tricky.įor starters, we have the fact that time itself is a tricky concept. ![]() Calculating elapsed time in Java is one of those. Many things in programming sound like they should be easy, but are quite hard.
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