Python vs. Java

Python is an interpretative programming language with a high level of abstraction. Java is a high-level object-oriented based programming language. Python has fewer lines of code, is faster to deploy, and has dynamic typing, whereas Java has self-memory management, is robust, and is platform agnostic.
python vs java

What is Python? 

Python is an interpretative programming language with a high level of abstraction. Van Rossum proposed the concept in 1991. Python is an oops concepts-based programming language with a large library that makes creating a variety of apps and algorithms simple. Its language components and object-oriented approach are designed to help programmers write concise, logical code for a wide range of jobs.

Advantages of Python

Python’s versatility and adaptability make it a great choice for creative programming. It keeps programmers from being restricted to a single application type. You can only learn a single programming language at a time and use it to make something new and unique.

 Computer Weekly considers Python to be the universal programming language, stating, “Despite the fact that there may be a better solution for each given problem, Python will always complete the task.”. Among the other advantages of Python are:

Python is platform-agnostic. Like Java, Python runs on a wide range of operating systems, including Mac OS, Windows, and Linux. All you’ll need is a platform-specific interpreter.

• It provides a more versatile programming environment: Python supports a wide range of programming styles and paradigms. It is not only good for programmers who value flexibility, but it is also ideal for start-ups that may need to pivot quickly.

• It’s open-source and free: Python is free and open-source, and because it’s so simple to learn and has one of the most populous and active groups, you should be able to start producing code in minutes.

• It may increase productivity: According to ProIT Academy, Python is more productive than Java since it is more compact and dynamically typed. It also provides control and integration capabilities that can help make applications more productive.

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Disadvantages of Python

Python is one of the most straightforward and quick-to-learn programming languages. Still, it is also one of the slowest to execute due to the fact that it is a dynamically typed, interpreted language that is performed line by line. Python performs additional effort while running the code, making it less suited for jobs that require speed. Python’s slower nature, on the other hand, won’t be a problem if speed isn’t a concern.

Other possible drawbacks include:

Python’s Global Interpreter Lock only allows one thread to run simultaneously, so it’ll be considerably slower if you’re working on a multithreaded CPU-bound program. A good workaround is to use multiprocessing applications instead of multithreaded ones.

It isn’t mobile native: Python can be used for mobile applications effectively and easily; however, To find libraries, you’ll have to put in a little more work that provides the essential infrastructure. The Kivy API, for instance, allows you to build mobile apps and software that run on Linux, Windows, and Raspberry PI.

It uses a lot of memory: This could be an issue if you’re working on a project with a lot of active objects in RAM. Switching to NumPy could be a good way to cut down on how much memory Python requires for each object.

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What is Java?

 Java is a high-level object-oriented based programming language with a high level of abstraction that Sun Microsystems’ James Gosling created in 1995. The syntax of Java is comparable to those of C and C++, however it is more harder to understand. Java is platform-agnostic (WORA – Write Once Run Anywhere), which means that compiled Java code may run on several platforms without requiring a recompilation.

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Advantages of Java

One of the main advantages of adopting Java is its speed and efficiency. It’s also known as one of the most straightforward coding languages. You won’t have to learn everything as completely as you would with a low-level language because many of the tasks are automated.  You should be able to perfect it quite fast depending on how often time you can devote to learning and practising. The following are some of the other advantages of utilizing Java:

It’s straightforward: The syntax is simple, making it simple to write. It is not as complex and difficult as languages such as C++, and it employs automatic memory management.

It is platform agnostic: Java may run on a variety of operating systems, including Windows, iOS, Unix, and Linux, as long as the Java Virtual Machine (JVM) platform is installed.

It’s goal-oriented: It provides a more intuitive approach for large project development since you design classes that include data, functions, and objects that belong to those classes. It also allows for more flexibility, quicker troubleshooting, and code reuse.

It has a significant global following: This will come in handy if you study Java or run into any issues.

It supports multithreading: Java allows you to execute several threads at the same time. Several threads share a same memory area while executing to increase efficiency and performance.

It is safe: Java avoids using explicit references, operates in a sandbox, checks for criminal code via a bytecode verifier, and provides library-level safety in addition to Java security package and runtime security checks.

Disadvantages of Java

It’s critical to understand Java’s flaws before deciding whether it’s the appropriate programming language for you to start with. One of the most significant advantages of Java is that it uses significantly more memory than Python. Furthermore, when an object is no longer accessible by the programme you’re working on, Java uses garbage collection to maintain memory. 

The garbage collector in Java removes it from memory, but other threads must pause while the garbage collection works. The step has an effect on the application’s overall performance. Other drawbacks include:

It does not allow for garbage collection control: You won’t be able to regulate trash collection using functions like free() or delete as a programmer ().

There are a lot of words in it: Although Java is basic, it contains a large number of words, which results in complex, lengthy statements, and explanations. When used for desktops, it does not have a native look: There are several graphical user interface (GUI) builders in Java. However, they aren’t ideal for designing complicated desktop UI. In terms of user experience and interface, Java is weaker on the desktop than on mobile. While there are numerous GUI builders to select from, you’ll need to conduct extensive research to locate the appropriate one for your project.

Difference between Java and Python

Java and python difference

  • When compared to JAVA, Python has fewer Frameworks Flask and Django are two of the most well-known frameworks. A huge variety of frameworks are available in Java. Spring, Hibernate, and other popular ones are just a few examples.
  •  Python has fewer lines of code, is faster to deploy, and has dynamic typing, whereas Java has self-memory management, is robust, and is platform agnostic.
  • The database access layers in Python are less robust than JDBC in Java. As a result, it is rarely utilized in businesses. Java Database Connectivity (JDBC) is the most common and widely used method of connecting to databases.
  •  Python has always had a place in the agile world, and As a result of a number of circumstances, its popularity has grown, including the rise of the DevOps movement. Because to its static type system, Java provides more regular refactoring assistance than Python, making automatic refactoring more expected and dependable.
  • It also has the widespread use of integrated development environments (IDEs) in Java development.
  • Python has fewer lines of code than Java, which has more lines.
  • Python syntax is simple to memorize and essentially identical to human language. However, Java syntax is more complicated, as it throws errors if you forget to include a semicolon or curly braces.
  • Python is slower than Java because it utilizes an interpreter and determines the data type at runtime, whereas Java is quicker than Python.

Which is preferable, Python or Java?

The most widely used programming languages are Java and Python. Both are high-level, open source programming languages that are widely used. Java is now used to develop online and desktop applications. Python is an excellent programming language for developing data science and machine learning applications.  It’s tough to choose between the two. This section will see if Java or Python is the better programming language.

Comparison Parameters: Python Vs Java

Java and Python have many traits and qualities in common, making it tough to select between them. Let’s consider two programming languages using the criteria below to see which is better.

  • Code Readability

The code must be written in an understandable format so that another programmer may easily understand the code. As just a result, code readability is highly valued in both Java and Python. Many programmers use Python because it keeps their code simple and eliminates unnecessary code, making application maintenance easier. Java programmers have more time and effort to devote to developing apps. Because each new version of Java introduces new features that break down software programs into modules, making it easier to construct software applications. The modules can also serve as a repository for code. Developers will have more opportunity to study about the additional features as a result, which will take some time.

  • Learning Curve

Python’s basic, intuitive, and powerful syntax makes it easy for newcomers to start writing code. We don’t really need to define variables in Python to using them. It recognises its type right away. As a result, Python is straightforward to learn. On the other hand, Java requires us to create additional code to represent concepts and do routine operations. In Java, we can’t use a variable without defining its type. However, for developing online and mobile applications, many beginners choose Java.

  • Syntax

Python has a simple and intuitive syntax. Syntaxes in Java are complex, big, and difficult to remember.

  • Performance

In contrast to Python, Java is a strongly typed programming language that makes compilation easier. The JVM uses JIT to speed up code execution. JIT has the benefit of translating byte code to native machine code more quickly. On the other hand, Python programmers used numerous programming language implementations to speed up code execution. Developers utilise Python and Python (which translates Python code into Java bytecode) to speed up execution. It’s also used to improve the speed with which python applications run.

  • Standard Library

Python includes a comprehensive and well-versed standard library. For the developer, the library saves both time and effort.The developer can select from about 130000 (approximately) libraries for various uses. Python includes frameworks for text processing, image processing, web development, and testing. Java contains libraries as well, but they are customized to the designer’s needs. In comparison to Java, Python has a large library.

  • Popularity

Following C++, Python is the most popular programming language, according to a poll done by Stackoveer in 2018. Both languages competed for popularity after the introduction of JavaScript. Java is the coding language of choice for many developers.

which is faster than Python or Java

The most well-known high-level  programming languages are Python and Java. Languages that have a lot of help. Java is usually quicker and more accurate than Python because this is a compiled language. Python’s syntax is simpler and more concise than Java’s as an interpreted language. It has the same capabilities as Java but requires less lines of code.

Python vs. Java speed and efficiency discrepancies

Java’s Just-In-Time (JIT) compiler and concurrency features contribute to its performance. The JIT compiler is part of the Java Integrated Development environment.

 It boosts Java program efficiency by converting bytecodes into native machine code “just in time” for execution. The Java Virtual Machine (JVM) instantly calls the compiled code.

Because the code is not understood, compilation does not demand processor time or memory. It could theoretically make a Java program as quick as a native app.

While Java programs are directly compiled, Python applications are interpreted, which slows them down during execution. The interpreter’s workload is increased when determining the variable type during runtime. Memory usage is also aided by remembering the object type of items received from container objects.

Fixing bugs in Python vs. Java

Any problems introduced by the programmer in Python will not be discovered until that line of code is executed. It may result in operational failures and a longer turnaround time. While objects in Python are prone to mutation, object mutations are impossible in Java. As a result, developing secure software is possible.

Python and Java can collaborate to solve issues via integration platforms like SnapLogic. SnapLogic’s technologies make it easier to connect cloud, on-premises, and hybrid software applications and data sources.

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Advantages of Python over Java

Python has gone a long way in recent years.Over eight million developers use Java to create apps. Both languages are able to undertake practically all tasks.Now, let’s take a quick look at both languages and see how Python stacks up against Java.

Java is a concurrent programming language that may be used for a variety of tasks. It’s a class-based, object-oriented programming language that follows WORA’s “write once, run everywhere” concept. Java is platform-agnostic, meaning it can run on any system.


As an object-oriented programming language, it depicts real-world entities. It’s a dynamically typed language with type verification performed at runtime. Python, unlike Java, is an interpreted language, meaning that the code in the Python IDE is processed line by line (Integrated Development Environment).


Python is a dynamically typed programming language, as we’ve already discussed. It means that we don’t need to specify the variable’s type because the interpreter will check it at runtime. Python code has become significantly more legible and simple as a result of its “English-like” architecture.

To make the code look like pseudocode, Python does not utilize brackets. Because of the dynamic type structure of Java, we must specify the type of the variable explicitly. Even a minor inconsistency in the Java code will prevent it from compiling.

Based on application

Let’s see how Python and Java stack up against each other in terms of Machine Learning, Data Science, and Website Designing.

Machine Learning

As a result of machine learning, Python has become more popular. Python is a general-purpose programming language. People that are striving to apply AI’s capabilities to their fields also draw on Python’s use and importance in their professions.

In cases when the platform is Java-based, and the database is outdated, Java programming is also a suitable alternative for Machine Learning.

Data Science

Python is a widely used programming language in science and academia. This is due to the fact that it is basic and straightforward to use. Python has become a skillset that allows people to interact with the data science or computer science-based development communities high reliability.

Web Development

Backend development is done in both languages. It isn’t easy to address all of the needs from scratch from a design standpoint. The developer employs frameworks such as Django and Flask to maintain readability and efficacy (Python). The Flask framework is utilized for the basic functions, whereas Django is used for more advanced capabilities.

Spring is a well-known Java backend framework. However, it is not as well-known as Django.

Based on Job Opportunity

Both languages have their own set of work possibilities. It is worth noting, however, that Python is growing quicker than Java. You should always check out some of the best Job oriented courses to know about job opportunities and current market demand for specifically skilled professionals.

Based on Salary

Python is the most well-paid programming language out of the two. Although the average compensation of Python developers is greater, this does not explain all of the reasons why engineers favor Python.

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