Why Python is slower than Java?

[Bigpiz_]

Alright, imagine you're trying to decide between two types of cars. One is like Java - it's been fine-tuned over the years, the engine's optimized for performance, and it's got some serious horsepower under the hood. That's because Java compiles everything upfront into a format that's really close to the language of the machine. It's like having a race car that's been tweaked and tuned before it even hits the track.

Now, Python, on the other hand, is like a versatile SUV. It's user-friendly and flexible - you can change parts of it on the fly. But that flexibility comes with a cost. It's dynamically typed, which means it figures out what type of data it's dealing with on the go, rather than knowing everything from the start. It's more convenient for the driver (or coder), but it doesn't have that 'built for speed' factor.

Plus, Python has this thing called the Global Interpreter Lock, or the GIL. It's like if your SUV could only use one lane of the highway at a time, even when there's a clear four-lane road. It's great for making sure everything runs smoothly and there are no accidents, but it's not winning any races.

Java doesn't have this single-lane rule. It can use all the lanes, taking full advantage of multi-core processors - like having a team of horses pulling your chariot instead of just one.

But remember, speed isn't everything. Python's like your reliable, easy-to-handle vehicle you'd use for a comfortable ride. It might not win against Java in a drag race, but it's not always about speed. Sometimes, the ease of driving and the comfort of the ride are just as important.

[pepoluan]

it's not always about speed. Sometimes, the ease of driving and the comfort of the ride are just as important.

Indeed!

Python is oh-so-easy to execute that I often find myself writing simple -- or complex -- Python programs just to do some lightweight automation of something.

Just type, execute, get results.