is java harder than python reddit - Brave Search

is java harder than python?

reddit.com › r › learnprogramming › comments › 16ri6ue › is_java_harder_than_python

I'd say it's a little harder, but only at first. The main difference is that Java has more structure that you're forced to use. Python has 90% of the same structure available, but it's all optional. For example, types. If you want to define a function, Java forces you to specify the types of all parameters. Python doesn't. As another example, Java forces you to stick your whole program in a class. Python has classes, but they're optional. Furthermore, nearly all Java APIs are object-oriented, and they often require you to subclass or implement interfaces in order to use them. Python APIs tend to let you do most things with a simpler functional interface. However, once you get the hang of Java, it doesn't slow you down, and you may find that it actually speeds you up - because you start to discover that once your Java program compiles, it's more likely to actually work, whereas your Python program happily runs even when you have tons of bugs because Python isn't checking your types at compile time. Answer from dmazzoni on reddit.com

reddit.com › r/learnprogramming › is java harder than python?

r/learnprogramming on Reddit: is java harder than python?

September 25, 2023 -

i am in my second semester of a CS program, and we are learning Java. last semester was Python, and it was basically a cakewalk compared to what i’m learning now. Java just doesn’t “click” for me like Python did. is Java just objectively more difficult than Python or am i missing something?

I'd say it's a little harder, but only at first. The main difference is that Java has more structure that you're forced to use. Python has 90% of the same structure available, but it's all optional. For example, types. If you want to define a function, Java forces you to specify the types of all parameters. Python doesn't. As another example, Java forces you to stick your whole program in a class. Python has classes, but they're optional. Furthermore, nearly all Java APIs are object-oriented, and they often require you to subclass or implement interfaces in order to use them. Python APIs tend to let you do most things with a simpler functional interface. However, once you get the hang of Java, it doesn't slow you down, and you may find that it actually speeds you up - because you start to discover that once your Java program compiles, it's more likely to actually work, whereas your Python program happily runs even when you have tons of bugs because Python isn't checking your types at compile time.

I took a Java class before I took a Python class, and I found the latter language much easier

reddit.com › r/learnpython › is it bullshit: know java, easy to learn python. but not the other way around.

r/learnpython on Reddit: Is it bullshit: Know Java, easy to learn Python. But not the other way around.

August 11, 2019 -

Hello people, I am looking to learn a programming language during the summer before college. The classes I'll be taking at univerisity uses Java. However, I've been trying to learn Python on my own for around two weeks using Automate the Boring stuff and Code academy. So I am still a noob. However, I've read some posts where people say learning Java as a first language will be much better than learning Python as a first language because it is easier to transfer from Java to Python but not the other way around. Now I am conflicted in which language I should devote myself to for the rest of the summer. Please give some advice. Thanks!

Edit: Thanks to everyone who replied and who tried to help. So some said that Python allows you to skip the useless code which therefore allows you to focus more on the concepts. While some said that Java forces you to explicitly write out all the steps which teaches you more on the fundamentals. Although I will eventually be learning Python as I am interested in Machine Learning/AI I think I will be learning Java for the rest of summer until university starts simply because of the fact my classes uses Java so I was think about getting a slight head start. Once again, thank you to everyone who helped.

However, I've read some posts where people say learning Java as a first language will be much better than learning Python as a first language because it is easier to transfer from Java to Python but not the other way around. It's easier going from Java to Python because Java contains a lot of useless boilerplate code that you can skip in Python. But that doesn't make Java a better first language, as that boilerplate code is exactly what will waste all your time and confuse you when you are getting into programming. Python makes a nice first language exactly because it allows you to focus on the high level programming concepts. Case in point, Hello World in Python: print("Hello, World") Hello World in Java: public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, World"); } }

Java will teach you more about programming fundamentals because Python is designed from the ground up to eliminate as much scut work and boilerplate as possible from common programming tasks while java (and most other languages) force you to explicitly cover all of the steps.

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reddit.com › r/learnpython › what is easier to learn: python or java?

r/learnpython on Reddit: What is easier to learn: Python or Java?

September 12, 2023 -

Cause i start learning Python and its coding tasks are so difficult((

Python is generally considered to be a relatively easy language compared to Java.

Python is more terse, so is simpler to learn, in my opinion. I started with Java though, but that was the default in those days.

reddit.com › r/learnprogramming › does anyone feel that python is more difficult to learn compared to java??

r/learnprogramming on Reddit: Does anyone feel that python is more difficult to learn compared to java??

April 28, 2025 -

I had initially started with python but found it too difficult, so I switched to java. Now after 4 years I consider myself to be decent in java programming and programming in general basically. I loved how java had brackets and stuff like that which were not there in python due to which the syntax felt just a bit more difficult to comprehend at least to me contrary to general opinion that python is one of the easiest first languages to learn. What are your thoughts on this topic?

Idk about more difficult but I do prefer statically typed languages and the use of brackets

You're definitely in the minority. Most people find java significantly hard to learn compared to python due to it being statically-typed and its verbose syntax.

reddit.com › r/java › new to programming did i choose the wrong language? java vs python

r/java on Reddit: New to programming did I choose the wrong language? Java vs Python

August 24, 2020 -

Hey guys,

I just started programming with the end goal of one day becoming an programmer one day but the catch is I don't know in what - web development, Android, iOS , ect.

For those who started programming did you already have an end goal in mind of what type of programmer to be?

I chose Java to start off with and been going at it hard but was thinking I should have done python since it's the most popular.

My goal was to go deep in one language and just learn the ins and outs of it to understand programming but chose Java for some reason but realized the python community is larger.

Am I approaching this wrong ? Any insight and Input????

Most programmers have several languages in their repertoire. Java and Python are both solid choices and honestly you should be familiar with both to be competitive in today’s market. Add JavaScript, and you’ll be a Swiss Army knife ready for a wide variety of job opps and projects. Java is huge in the corporate space, even though you often will hear more about Python in social media because it is very widely used. I am a Java first programmer who has branched out into other languages.

An end goal? No. I discovered BASIC in an appendix to a high school geometry textbook, said "Holy shit, you can make a machine DO that?" And have spent the past 35 years finding out what else I can make a machine do. Languages come and go. Architectural patterns are waves at the beach. Concepts are what's truly important. If you learn to write well structured, understandable code that does what's intended, you can migrate that to another language.

reddit.com › r/learnprogramming › java vs. python as first language pros and cons.

r/learnprogramming on Reddit: Java vs. Python as first language pros and cons.

December 29, 2024 -

Hi everyone, so as long as I know, Python is an easier language to start learning programming, however, I might have a greater oportunity of getting a kind of internship or even (long term goal, crossing fingers) a job at a company that works with Java because of connections.

What is your experience?

You just need to learn programming, if Java in your network is used more then start with Java.

Go with Java. If that’s what the job your connection can get you then learn that. You can learn Python later. That said, this whole programming BS is problem solving. Being “fluent” in a language doesn’t mean you trained to problem solve.

reddit.com › r/learnpython › is python language easier to work with compared to java language?

r/learnpython on Reddit: Is Python language easier to work with compared to Java language?

October 5, 2024 -

I have learned Java language before and disliked it because I find that the code is too complicated. I find that time is spent understanding the code rather than the idea of the code.

Will Python be a better choice to learn if I am looking for simple code?

Is Python language easier to work with compared to Java language?

Thank you.

Edit: Thank you everyone for your comments.

Everything is subjective, of course, but I'd say yes.

The gap between programming and not programming is much larger than the gap between different programming languages. Python is a good first choice to start to learn about programming, which is the art of problem-solving through implementation of algorithms in the coding language of your choice / convenience. The actual implementation of a solution to a problem in any specific programming language is the easy bit once the language basics are learned.

reddit.com › r/learnjava › should i learn java instead of python

r/learnjava on Reddit: Should I learn Java instead of python

March 14, 2024 -

I will just be to the point, I just find it fun to learn how to code and want to be able to independent create code create things without error. There’s an interval between where I learn hello world then language I don’t understand. It’s very small and I don’t know where. Is it all important to learn?

I think learning Java first will make you a better programmer in the long run. Python will be simple to pick up after some Java mastery

Java's awesome for diving deep into coding logic and building stuff like Android apps. It’s a bit tough at the start but super powerful. Python? It’s easier to get into and super versatile, great for web stuff, data science, and even AI.

Find elsewhere

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reddit.com › r/learnprogramming › java is very overwhelming to me as compared to python

r/learnprogramming on Reddit: Java is very overwhelming to me as compared to python

January 24, 2022 -

I feel like I have implemented some complex projects in python (multi-modules). However whenever I am trying to read a java application I get totally lost. I understand the general project structure and feel like I can generally understand what individual classes and methods are doing...

However when it comes to piecing them together into how they are all logically interacting it becomes VERY difficult (or impossible) for me.

Maybe my java experience is just too limited and I definitely still don't understand a lot of the patterns or even syntax in the language (for example, generics, try-catch, are all kind of hard for me to implement).

Any advice on how to get better at just understanding what an application is doing? Am I just experiencing noob pains?

One thing that helps a lot is having a good editor, what are you using? I'd reccomend intellij (there is a community edition) You can follow chains of classes, search for usages etc. so easily its much easier to get a handle on the general structure. One thing I'd say is learn to abstract and get a high level feel for structure, for example if you have some class thats in a heirarchy 7 classes deep, dont try to understand every single class in the chain or every interface. Just focus on the really high level picture 'what is this for'. Or even dont dig deep until you need to look, let bits of a system be black-boxes until you have to look at that logic. Stepping through in debug mode and adding useful logging is always very useful too. As is looking at unit tests.

Java is very different to Python, but once you get your hands dirty it isn't that bad. It is just a matter of understanding the different java-isms and how things usually tie together. Just keep at it :)

reddit.com › r/java › if given the choice between python as java as first language, which should i take?

r/java on Reddit: If given the choice between Python as Java as first language, which should i take?

October 30, 2018 -

After December we will move away from Assembly at work (I work there as an apprentice and they want me to learn it, they don't actually use it). I get to choose between Java and Python. I will learn the other one later anyway, but in the beginning, which should I take? I work there as a Software developer with only very little pre knowledge.

Python is more like a handy swiss army knife Java is full blown war Tank. I would prefer java.

I had a lot of luck learning the easier things like decision statements and loops with python, but learning OOP and some more complex things was a lot easier to understand with Java. Don’t think you need to learn just one, focus on the concepts!

reddit.com › r/learnprogramming › why do people use java and not python?

r/learnprogramming on Reddit: Why do people use Java and not Python?

September 15, 2015 -

I was a young, eager programmer. So I went and learnt Python. I solved some fun problems from project euler and the dailyprogrammer subreddtit. Now, I feel like I have a fair command of the language.

Recently, however, I have been learning how to program in Java, in connection with a college course. I am struggling to see its advantages over Python. It seems to me that one has to produce a whole lot more code compared to the equivalent in Python. So why do people use Java? Is it just inertia due to the fact that Java is older than Python?

Programmers spend a remarkably small amount of time typing. Judging a program by lines of code (fewer or greater) is entirely orthogonal to the amount of time and effort it took to develop. What programmers do spend a lot of time doing is debugging, and any time you spend in the debugger, adding print statements or using the REPL is time you didn't spend writing features. You need to do everything you can to make your code work predictably the first time. Java does this so much better than Python that it's like night and day: Your code is statically analysed and compiled so you identify bugs before runtime. Stacktraces are the wrong time to find out you made a typo. Static, well defined types are a shared dialect with the computer. You don't get to make up words and expect it to understand you - compiler warnings and errors save you from several classes of bugs. Don't use shared mutable state. Public fields might as well be global variables - and Python has no good encapsulation or privacy mechanic. Magic is bad. Try to follow the principle of least surprise, even if it means breaking your code up into smaller parts with more specific purposes - Java makes it much harder to do the wrong thing and shoot yourself in the face. Some of these principles might seem unnecessarily time consuming to a beginner, but it will help you avoid those headscratching hiesenbugs that really eat up your time.

Java vs Python is essentially a matter of tradeoffs. Python is a very expressive language, but without enough discipline, you can end up abusing the features that make Python expressive and end up writing a pile of spaghetti. Java, on the other hand, is often restrictive in ways Python isn't -- it's statically typed, which means that many of the kinds of errors you might miss in Python are going to be caught at compile time instead of runtime. This makes it much easier to catch bugs + write large programs + prove correctness in your code. Java also has a number of other benefits that makes it nice to use on an enterprise scale. In particular, Java is fast -- because Python is a high-level and dynamic language, it's harder for the Python interpreter to figure out how to optimize Python (in contrast, Java is statically typed/restricts the number of weird stuff you can do in a dynamic language). While Python can be fast, it'll usually take more work to get speeds comparable to Java or C programs. In order to get Java or C-level speeds, you usually have to start using libraries written in C (like numpy or scipy), experiment with 3rd party interpreters/compilers like pypy or cython, etc... The other main advantage that Java has is that it has a pretty robust ecosystem -- there's a huge number of different Java libraries available, and there are a bunch of other languages that run on the JVM and can interoperate with Java. This, I think, is one of the main selling points of Java -- it's commonly claimed that Java has a library for almost anything you might want to do. (That said, Python also has a pretty robust ecosystem, so isn't really worse then Java on this front). That said, I also don't think Java is the best language in the world, and I think it has several design flaws that makes it a bit clunky to use. I've previously talked about what I think are the strengths and weaknesses of Java here and here , but to summarize, I think Java has a tendency to be more verbose then it needs to be + is burdened with a number of flaws it can't fix because it wants to maintain backwards compatibility (examples: type erasure, checked exceptions, etc...) Most people still end up going for Java, mostly due to the strength of its ecosystem + because it has a solid track record of scaling well, but if you're really interested in exploring this idea of taking advantage of a strict type system + being able to rely on the compiler to catch your errors, I'd recommend you try exploring either C#, which is like a nicer/more elegant version of Java, or a functional language like F# or Haskell, which takes the idea of typing to its logical extreme. I don't think any of these languages have as robust of an ecosystem compared to Java or Python, and functional languages like F# or Haskell are still a little too alien to the average developer to become mainstream, but I do think they're much more expressive and elegant then Java is. As a result, I feel they do a much better job of demonstrating the strengths of statically-typed languages + why you might want to use them over something like Python.

reddit.com › r/java › what does java do better than python?

r/java on Reddit: What does Java do better than Python?

November 1, 2022 -

What does Java do better than Python?

Since nobody has yet mentioned it: package management. (And the ecosystem that follows from it)

Backwards compatibility. (Apologies to all the survivors of the python 2 to 3 migration.)

reddit.com › r/learnprogramming › learn java or python?

r/learnprogramming on Reddit: Learn Java or Python?

June 6, 2023 -

Hi,

I am a university graduate who would like to change my career to IT. I want to apply for a requalification course and basically I have two options available - both courses are "Programmer of web applications" - one is in Java and the other is in Python.

I need some help from someone who knows the industry and the pros and cons of choosing either language. I have read a lot of articles and watched youtube videos and it's practically 50:50. I am leaning towards Python though.

I know your first question will be: What do you want to do in IT?

But that's the problem, I don't know. I have never worked in IT and I haven't experienced different types or jobs to be able to know which I like the most. It's like asking me which food from the menu I liked the most before I had a chance to taste it. I like design, so possibly frontend. But I am open to anything. I think fullstack would be a good skillset to have to find lots of work?

What I know:

Java is more complex to write, harder to learn for a beginner. It is used in web development, Android and in a lot of big companies. It is supposedly harder to change fields in IT if you know Java. The popularity of it is slightly decreasing and the community as well (from what I've heard).

Python is easier to write and read, is used in machine learning and AI and databases. Generally slower than Java to execute, has more potential when you are trying to change fields in IT as it is more widely used.

That's what I know. What I need, is help with this question: As someone (a teacher) who is trying to change career and do something that will enable me to find work easily, which language should I choose to learn to open myself to most job opportunities, something that will be a good start, give me most options for the future and will not lock me in in a specific field, should I realise I do not like it. How should I make a decision? Can you tell me in more detail which language is used in which specific types of jobs and what kind of stuff I could do should I learn Python/Java?

Thank you in advance!

Ben

Java is more complex to write, harder to learn for a beginner. It is used in web development, Android and in a lot of big companies. It is supposedly harder to change fields in IT if you know Java. The popularity of it is slightly decreasing and the community as well (from what I've heard). True that Java has way more boilerplate than Python due to the full Object Oriented paradigm. False that it is more difficult to change fields False that the popularity is decreasing as well as the community. Java is the enterprise language #1 and stays there simply because there is already way too much Java out there Python is easier to write and read, is used in machine learning and AI and databases. Generally slower than Java to execute, has more potential when you are trying to change fields in IT as it is more widely used. Python has way more use cases than you list for it. The very web site we are communicating on is running on Python Yes, it is somewhat slower, but it can use precompiled fast libraries written in C/C++ for speed Python does not have more potential when changing fields and is not more widely used The above said: yes, it is a 50:50 chance. I would say that learning Java makes you a better programmer, though. Python abstracts way too much and has too many "convenience features". Don't get this wrong, though. Python is a great language, but so is Java. If you haven't been exposed to programming, I would still suggest Java. The expressive nature, verbosity, explicit static typing, excellent tooling, and excellent elaborate error messages make it an ideal first language, even though the very first steps are more difficult. Python on the other hand has an extremely easy entry, yet, the implicit typing can cause problems that beginners will easily stumble over and then be left dumbfounded. The error messages have improved lately, but still are by far not as clear as Java's. Yet, don't overthink the whole. The first language you learn will definitely not be the last and every consecutive language will be easier. In the beginning when you start from 0 you are battling at two fronts: you are battling with the vocabulary and grammar of the programming language (the easier battle) and you are battling with creating detailed step-by-step algorithmic solutions to problems (actual programming - the difficult battle). Once you understand that learning a programming language only is a necessary evil to tell the stupid computer what we want it to do and that the actual programming, namely analyzing and dissecting problems and then developing detailed step-by-step algorithms to solve that problems are two distinct, decoupled activities you will also see that programming languages are just tools to express trains of thought. Once you can program, the actually used programming language becomes secondary. Sure, the paradigms, the vocabulary, the grammar will be different, but if you know what you want to express, you can do it in any language. Developing the "what" is the tricky part. It is a bit like learning a spoken language with very restricted English-like vocabulary and grammar and writing a comprehensive fully developed novel in said language.

Remember, that no matter what you choose, it won't define your career for years to come - no matter if you start with Python or Java, you can always learn the other, or a third language in far less time than it took to learn the first. Programming is much more about problem solving and understanding computers, than specific languages. I would recommend Python, because you'll fairly quickly be able to build stuff with it. No matter if you are interested in web-applications, desktop games, scripting, data science or something completely different. Java tends (or tended) to give you a better understanding of Object Oriented Programming, because it is very strict about everything being a class, and so on, and the entire API is extremely Object Oriented, with big-Os :) But in later years a lot of this OOP strictness is becoming annoying, you tend to write a lot, and I mean a lot of extra code, simply to make the Java compiler not throw up on you. And even the folks behind Java has realized this, and newer versions include more and more short-cuts for writing more compact code ... Anyways - as for jobs, I guess it depends a lot on where in the world you live and work. Here in northern Europe, Java is mostly used by banks and insurance companies - there are a lot of Java-code running out there, but it seems like no new products or new companies base anything on Java. Also the banks tends to want university masters with 5-7 years of experience ... But again, it doesn't matter - when you have learned some programming, you'll quickly get ideas as what you want to build, and maybe you need to learn Swift or Kotlin or React or C# to build those kind of applications, but that is the way it is going to be, there'll always be more to learn, so might as well just get started, and have fun along the way!

medium.com › @newassignmenthelpusa › why-is-java-so-much-harder-than-python-4fbc15a79f71

Why is Java So Much Harder Than Python? | by Newassignmenthelp | Medium

January 29, 2025 - Java enforces rules because it’s designed for large-scale applications where consistency is critical. It wants you to be precise, while Python is more like, “Eh, I’ll figure it out.” · Another reason Java feels harder? It’s a compiled language, while Python is interpreted.

reddit.com › r/learnprogramming › what language is more advantageous, java or python?

r/learnprogramming on Reddit: What language is more advantageous, Java or Python?

March 18, 2023 -

What language is more advantageous, Java or Python? What do you think?

I mean, they're both very advantageous, and have lots of job opportunities, though in different areas. Most Python jobs revolve around data science, AI, automation. Most Java jobs are back-ends for enterprise/large companies or enterprise related software, and legacy Android apps (I say legacy only because newer apps are most likely using Kotlin while Java is being used to maintain old apps).

What does "advantageous" mean to you? They're both popular, cross-platform, well supported languages.

reddit.com › r/learnprogramming › should i learn java or stick to python?

r/learnprogramming on Reddit: Should I learn Java or stick to Python?

August 24, 2019 -

I have been studying programming for the last six months. For the first four months I studied Python, and then I started studying studying data structures and algorithms. For data structures and algorithms, I picked the books where the code was written in Python. Now that I am about to finish that, I have decided to pick Algorithms by Robert Sedgewick. In this book all the code is written in Java.

I want to learn both Java and Python, and I will learn Java at some point. My question is whether I should start learning it right now or not? I know it's not necessary, but I think it will be much easier to follow the book if I have some understanding of Java.

Why am I confused?

Well, I have watched videos, read blogs about people recommending to stick to one language when starting out. So, I am scared to start a new language thinking I might forget Python or get into a situation where I don't understand either of these languages.

i always say programming is the skill, and the language is the tool. choose the right tool for the job. you can hammer in a nail with a screwdriver, but its gonna be a whole lot harder. also it doesnt help to learn how to use a hammer if you have a screw. important is that you learn how to work with your hands (aka aquire skill). algorithms and datastructures translate into any language, some make it easier, some make it harder, others already have ready made solutions or there are libraries.

Java for job opportunities Python isn't a bad choice tho

reddit.com › r/learnprogramming › java vs python full stack in 2026 — which is safer with ai rising?

r/learnprogramming on Reddit: Java vs Python Full Stack in 2026 — Which is safer with AI rising?

6 days ago -

I’m currently trying to choose between Java Full Stack and Python Full Stack for my career.

I’ve noticed that AI is growing very fast, and many people say it might replace a lot of developer jobs in the future.

So I’m confused:

- Is it still worth choosing Java, which is more traditional and used in enterprise systems?

- Or should I choose Python because it’s more connected to AI and future technologies?

Which one has better long-term value considering the rise of AI?

Also, how is the job market for freshers in both domains right now?

Would really appreciate honest advice from people working in the industry.

This tripped me up too when I started Short answer: neither is a magic bullet. Java gives you steady enterprise demand, Python hooks you into AI/ML work and fast prototyping. Pick the domain you want to be in, not the hype If youd rather work in banking, telecom, big corp backends - learn Java (common stack: Spring Boot, PostgreSQL, Docker) and get comfy with system design and testing If youre leaning towards ML, data pipelines or AI features - learn Python (think FastAPI/Django for services, TensorFlow or PyTorch for models) and learn how to productionize models with Docker + Postgres Freshers right now: both markets are healthy but different. Java roles often prefer internship/CS fundamentals and can be slower to hire; Python/AI roles have more entry-level openings in startups and research teams but also more competition and a math/ML bar to clear Practical next step: pick one stack and ship a small full-stack project that hits a real outcome (auth, CRUD, background job, deployed with Docker to a cloud provider, Postgres as the DB) - spend like 3 months on that, show it on GitHub, talk about tradeoffs in the README, thats what gets interviews Caveat: AI will automate boilerplate, but it wont replace people who can design systems, debug, own services, and communicate tradeoffs - those skills move across languages, so learn the fundamentals first, the rest you can pick up later. Dont over-index on a single language

Some people have always valued programming languages way too high! The truth of it is: If you can program, you can switch stacks pretty easiy. Sure, you'll loose some knowledge about specific libraries, but as long as you stay in the same domain (e.g. web backend) they will all work pretty much the same. HTTP requests are standardized (thank fuck for that), so are databases, and there are only so many ways of interfacing the two. I would much rather hire someone who is familiar with backend but hasen't used the stack/language we use, than someone who is familiar with the language, but new to backend. Learn what you want, once you feel comfortable, you can re-evaluate if the job market values the other more right now. In that case, just switch. Build a small project to prove you can. (Yes, people have written X years of experience in Y languages for years now. It's still stupid)

quora.com › Is-it-just-me-or-is-Python-actually-a-more-difficult-language-than-Java

Is it just me or is Python actually a more difficult language than Java? - Quora

Short answer: Python and Java differ in what makes them “difficult”; one isn’t strictly harder than the other for all learners — each has trade-offs that raise difficulty in different areas.

reddit.com › r/askprogramming › is java faster than python?

r/AskProgramming on Reddit: Is java faster than python?

January 31, 2024 -

Java is said to be much faster than python but there are different ways to run these languages (e.g. pypy for python, maybe dalvik for java). Is there any way python could be made faster than java?

All things being equal, yes Java is usually faster than Python. That said, there are some pretty important qualifiers to that statement: Much of the "heavy lifting" done by Python is actually implemented in super-optimised C and C++ code which is (again, all other things being equal) faster than Java code, e.g. the Numpy library is a good example of this. Many programmes - e.g. most web apps - are I/O Bound (meaning that their performance is limited by the speed of input/output operations such as sending messages over the network or retrieving information from a database), meaning that, in practice, the speed difference between Java and Python is irrelevant, as the programme spends 99% of its execution time on I/O. Speed of implementation is often more important than speed of language. An inefficient Java implementation will often be orders of magnitude slower than an efficient Python on. Developer time is often relevant. Python advocates often state (rightly or wrongly) that as Python is more concise and "simpler" than Java, meaning that it allows Python developers to be more productive than developers using other languages, which is relevant if CPU cycles are cheaper than engineer wages.

Last time I checked, yes, by a huge margin. Java's execution is like reading shorthand (Compiler+JIT), python is like reading Shakespeare (Slow-ass interpreter). While there's good efforts made to make unofficial compilers that can convert Python or Java to Assembly, it's not easy since both languages rely on the VMs that run them to do things like automatic memory management, so the code you have inside your Python/Java program isn't the full story. You also need a garbage collector written in Assembly among other things. This makes it very difficult to turn into native code. That's the efficiency kind of performance. But there's also performance gains from leveraging more hardware that you also need to worry about. Even if you used these unorthodox assembly compilers, the language itself can hamper this performance, like the ability to multithread, which the Python spec lacked for a very long time.

reddit.com › r/learnprogramming › can't decide between learning java or python, and want to know what *kinds* of applications each is more widely used for.

r/learnprogramming on Reddit: Can't decide between learning Java or Python, and want to know what *kinds* of applications each is more widely used for.

July 20, 2021 -

I'm a web developer working with HTML, CSS and PHP and I know enough Javascript to get by. When I was a kid I used to code in Visual Basic, and I wanted to get back into that style of programming. So I started taking a C Sharp course.

However, I'm starting to think I'm really marginalizing myself by learning C sharp, because it seems really specific to enterprise apps (or games with Unity) and not widely used. I'd rather learn something more relevant to the industry, particularly that I can use with web applications, but also standalone Windows or console apps.

So now I'm looking into Java vs. Python. I've heard Java is the better place to start because it's easier to learn and more familiar with C languages and Javascript. Knowing Java might also help me improve my JS. But I feel like most of the interesting applications I see are written with Python. I know you can do those same things in Java, like machine learning and web scraping apps, but I haven't seen it done.

Can someone please give me an example of the kinds of applications people are building with Java vs. Python?

They can both do the same things. They each have some strengths and weaknesses, which are only important if you actually know how to take advantage of them.
Knowing java will not help you with JS anymore than python or any other language.
I would worry less about what is used for what, and worry more about your personal preference. Try them out, see what clicks better for you. Don't learn a language because it's the hot thing of the week, java and python programmers will be needed for a long, long time.

That's purely my personal take on it, someone else will come around and have a much more detailed answer which will probably be more to what you are looking for.

I'd rather learn something more relevant to the industry, particularly that I can use with web applications, but also standalone Windows or console apps.

Your use case perfectly describes C#, though. It can be and is used for everything you listed.