Java vs. Python Performance Comparison

Java and Python are two of the most popular programming languages, but their different language structures have distinct advantages and disadvantages. Each has numerous ecosystem tools built for better usability and performance benefits. However, their speeds vary. As a compiled language, Java is generally faster than Python, which is an interpreted language. This is particularly true given newer updates. Still, Python is a significantly concise language that can perform the same job as Java but with fewer lines of code. Java requires a significant amount of boiler-plate code to start. Comparatively, this affects code turnaround to establish the same task. Python can have improved performance with the use of external libraries, like Psyco, but is still lags when compared to core Java.

In addition to speed differences, the respective languages have other considerations. While Python is quicker, terser coding, as an interpreted language any bugs introduced by the programmer will be undiscovered until that line of code has been triggered. That can add to turnaround time and risk operational breakdowns. Python leaves objects vulnerable to mutation. In Java, object mutation is impossible, which leads to robust and secure software development. Java’s loop and data native structures performance also outpaces Python. Since JDK8, Java has also acquired support for functional programming that improves its performance. On comparing features of a programming language’s input/output, objects creation and garbage collection, and data structures and integration with other tools, Java outperforms Python on performance benchmarks.

SnapLogic supports Java, Python, and mixed and matched components. 


Read more on Python vs. Java Performance: An update to a subjective speed comparison.

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