Python vs Java: Which is Better?

Python vs Java: Which is Better?


There are many incidents in our information technology career where we get to hear the comparison between Java vs Python and which one is better among them. But in reality, that is not how it works.

Both Java and Python are general-purpose object-oriented and extensively utilised in developing various types of internet-based apps. If the comparison of Python vs Java is about who came first, then Java will win the race. Python was created and made publicly available in roughly 2000, whereas Java was launched earlier.

To judge the comparison of Python vs Java, we will have to look at several factors such as speed, scalability, machine code, security, simplicity, syntax, and their usage around different technologies.

Programming languages are an essential component of computer science; they are essential tools in a programmer’s toolbox and they are practically required for all programming tasks. It is always a difficult task to choose amongst Java and Python.

Python and Java are always trying to get hold of the top spot among the most popular programming languages, with Python making incredible strides in recent years and Java maintaining its dominance.

It often seems that these languages are perfect, and in fact, they are capable of doing most of the tasks out there, however, there are key differences that could help you formulate your decision. We’ll start by explaining each language and key characteristics, then compare them in different fields in computer science to provide more clarity on your choices.

Although it may appear that Python and Java are excellent languages, and they are capable of doing the majority of jobs, there are some crucial distinctions that may help you make your pick. We’ll begin by describing each language and its major qualities, then compare them in various disciplines of computer science to help you make better informed decisions.

Python Vs Java: Definition 

  • Python

Python is a general-purpose programming language with dynamic typing. Python’s early development took place at a Dutch research institute. The original purpose was to build a higher-level language to bridge the gap between C and the shell, because, as the author points out, writing system administration utilities in C at the time was rather difficult. The syntax was inspired by a number of languages, including Algol68, Pascal, and ABC, and was designed to be legible and simple.

Its built-in data structures with dynamic typing and binding along with the lower maintenance cost, makes Python a viable alternative for Rapid Application Development.

One of the advantages of Python is that the interpreter and resource library are both freely available on the internet. Python thus becomes a fantastic choice for anyone who does not want to spend a lot of money on development. Python also offers a lot of interesting real-world applications.

  • Java

Java is a general-purpose, statically typed, object-oriented, and concurrent programming language. With the aid of the Java Virtual Machine, Java was designed to be a WORA (write once, run everywhere) language, able to execute on any platform and with as little dependencies as feasible (JVM).

Key Differences of Python and Java

We can consider that both Python and Java are industry leaders, a few technical comparisons will help to clarify how they vary. The parameters to consider for a difference between Java and Python are listed below.

  • Python vs Java: Performance

Languages have no speed. If we wish to compare speed, we’ll need to pick specific implementations to compare. This project, named the benchmarks-game, where several languages are benchmarked in different apps, has a comprehensive Python vs Java speed comparison.

Keep in mind that performance isn’t only a function of the language’s execution speed; it’s also a function of the program’s implementation, and the performance of third-party libraries is often the most important aspect in the equation.

Java and Python are both executed on virtual machines after being compiled into bytecode. As a result, both languages are cross-platform, with no variations in operating systems. Although they appear to operate similarly, there is a significant difference between them.

A Just-in-time (JIT) compiler is also included with Java. This device converts bytecode to native machine code, allowing the produced code to be executed directly. This feature largely improves the language’s speed and efficiency. Java programmes, on the other hand, may be fairly lengthy and difficult to comprehend.

Python code is processed during compile time, which is when variables are taken into account. To conform with every platform, code written in dynamic-type syntax isn’t as agile or verbose.

Because Python is often tested during runtime, any issues with the programme can put the entire application on pause. All of these factors together have resulted in a decrease in linguistic efficiency and speed.

The differences between Python vs Java can be rather considerable at times. In comparison to Python, a simple binary tree test can execute 10 times quicker in Java.

Python Vs Java: Syntax

Python is a very active programming language. The developer does not have to enter the variables while typing. These are entered during the execution of the programme. Python is therefore a simple language, essentially identical to English.

Another feature of the language’s simplicity is that it does not need indentation or enclosing braces. As a result, the language is user-friendly and straightforward to read.

Java is the polar opposite in this regard. It has very tight syntax constraints, requiring you to write in all of the variables, and the programme will not execute if there is an error or anomaly in the code.

To define a block or method with many lines in Java, for example, the lines must be enclosed in curly brackets. Python, on the other hand, permits indentation when composing multiple-line chunks.

Code Readability

The code must be written in a comprehensible way so that the code may be readily understood by another programmer. As a result, both Java and Python place a strong emphasis on code readability. Many developers favour Python because it allows them to keep their code short and eliminate unnecessary code that makes application maintenance easier.

Developers in Java have more time and put in more effort to create apps. Because each new version of Java adds new features that make developing software programmes easier by separating them into modules. The modules are also meant as a code collection. As a result, the engineers will have more time to learn about the new features, which is a time-consuming procedure.

Python vs Java: Usage in Machine Learning

Python is fairly straightforward to learn on a syntactical level, therefore it was a natural option for people from many backgrounds. They were able to experiment with machine learning and apply it to their domains quickly and simply using Python. Python was the catalyst for many firms to adopt machine learning. It has a large library and resources that are being explored and expanded further because of its history of creating organization-specific machine learning. Find out more about the machine learning libraries in Python.

Many people believe that Java is a viable solution. It is utilised for large-scale operations and enterprise-level systems since it has features like simple debugging and usage. A developer can use Java libraries such as Weka, Mallet, Deeplearning4j, and MOA.

Python Vs Java: A Comparison Table

Technology Python Java
Popularity Very popular Very popular
Syntax Easy to learn and use Complex includes a learning curve
Performance Slower than Java in various implementations Relatively very fast
Cross-Platform Yes Yes, thanks to the JVM
Backend Frameworks Django, Flask Spring, Blade
Machine Learning Libraries Tensorflow, Pytorch
Game Development Engines Cocos, Panda3d JMonkeyEngine
Learning curve Easy to learn Difficult to learn Weka, Mallet, Deeplearning4j, MOA
Typing Dynamically-typed Statically-typed
Best for Artificial Intelligence, Data Science and Machine Learning Enterprise, Embedded and Cross-platform application
Program Example print("Hello World") public class Simple { public static void main(String args[]) { System.out.println("Hello World"); } }


Python vs Java: Which is better?
Java and Python are both extremely strong and adaptable programming languages. They both have advantages and disadvantages, so it all depends on how you want to utilize them. Both are general-purpose programming languages that may be used to construct programmes for a variety of purposes, including games, web applications, scientific simulations, and more.



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