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Node JS vs Java: A Brief Overview

Node JS vs Java

In the modern IT industry, a struggle is currently taking place for possession of developers’ and coders’ minds and souls. There is Node.js, the comparatively recent revolutionary JavaScript runtime environment, but there is Java, a old powerhouse widely used among developers globally. However, many website developers prefer to run nodejs website with node.js hosting because of its popularity.

This article compares and contrasts Java and Node.js, two extremely potent tools. The issue of which would be ultimately superior may never be resolved, so we might gain a greater understanding of both technologies and their appropriate applications.

Let’s start with a new addition.

What is Node JS?

During 2009, Ryan Dahl created Node.js. Software developers can create JavaScript on both the client / server platforms with this fully accessible, cross-platform execution environment. It executes JavaScript programmes not within a web. Node.js seems to be an infrastructure that supports JavaScript instead of a scripting language. Node.js additionally enables server-side program execution for programmers and offers a quicker way to create scalable, lightweight scripts.

Syntax for node js:

Below is the syntax for printing the information.

console.log(“Welcome to our blog”);

Benefits of Node.js:

Node.js offers a number of useful advantages, such as:

  • It can be readily scaled
  • It is less complex than Java.
  • With full-stack programmers, it is perfect.
  • It makes writing code quicker and simpler.
  • With its node  js package organizer, you may store numerous libraries inside a single line.
  • The dependency tree is created for each module, reducing the complexity.
  • It’s constantly expanding and changing, getting better and better all the time.
  • It has widespread community backing.

Limitations of Node.js:

Node.js doesn’t have many drawbacks, however consumers and developers should be aware of some issues when comparing Node.js to Java:

  • It is not appropriate for CPU-intensive applications.
  • Users should closely watch Node.js caused by frequent upgrades because not all features are always well evaluated.
  • The API constantly changes, which affects stability.
  • It is deficient in a strong, well-resourced library support network.

Node.js samples:

Node.js is widely used by eminent businesses and organizations for their apps. So here are a few Node.js software examples to illustrate why this environment is so adaptable.

  • Social interaction: Node.js’s events loops make it ideal for platforms such as facebook since they enable programmes to embrace different data while frequently updating. LinkedIn undoubtedly believes this, hence it switched from Ruby on Rails into Node.js.
  • Gathering, analyzing, and visualizing data: Real-time collection of information, analysis, and visualization are made simple with Node.js. Heap as well as YCharts depend on this data processing capabilities to speed up and improve user responsiveness of their applications.
  • Streaming: By utilizing Node.js and also its Streaming API, Netflix increased the performance of their app. Its interface makes it simple to download additional components when needed. Portions of the application’s code are sent to local workstations even without link being cut off, cache, or transient data being stored.
  • Ecommerce: Groupon, an online retailer, moved to Node.js since it required the ability to handle high traffic volumes and better performance. PayPal was also one of the significant businesses to test Node.js since it was experiencing execution problems. In all cases, Node.js fixed the issues, enabling the sites to handle higher visitor counts, load pages more quickly, and increase performance generally.
  • Digital stores and platforms: Due to its capability to keep network connection using their systems while managing many requests, eBay turned to Node.js constantly. As Wal-Mart adopted Node.js to revamp its mobile phone app to add additional client-side functionality, it experienced comparable success.

Understanding Java:

The “green Squad” of Sun Technologies including James Gosling created Java, the general-purpose, category, object-oriented scripting language, in 1991. Java’s key features include cross-platform compatibility, reliability, and performance. Among the most widely used and well-known programming dialects is Java.

Java is a language used by programmers to create effective programmes for both desktops and laptops. Java is mostly connected to Android smartphones, business technology, and a number of embedded environments, including Blu-ray discs.

Its Java compiler transforms the program code of Java into bytecode. Consequently, any system software with a suitable JRE (Java Runtime Environment) loaded can use this bytecode. Perhaps one of Java’s greatest important advantages is that such an open source software created in Java could operate on any environment.

Syntax for java:

Below is the syntax for printing the welcome message.


Benefits of Java:

Speaking of advantages, the list consists of Java’s advantages:

  • Comes with numerous libraries.
  • It is pervasive and present everywhere.
  • As previously stated, it can function on any system that has a JRE installed.
  • It is straightforward and simple to comprehend.
  • Compared to high – level programming languages, Java programmes are more reliable.
  • It is quite secure.
  • Because it is object-oriented, developers may create modular applications and reuse code.

Examples of Java:

Due to its longevity and widespread use, Java is widely available in all sectors and academic settings. Here are several famous Java application instances:

  • Iphone Apps: Most Android programs are built in Java, frequently using Google’s API. For instance, the Java-based Spotify application.
  • Financial Services & Online Shopping: Java-based apps are used by Barclays, Citigroup, Goldman Sachs, as well as other investment institutions, particularly for network servers, which typically don’t need an user end. The information is analyzed by dedicated servers before being sent upstream to certain other operations. Java is used by Amazon as well.
  • Service Sectors: Java-based applications are used by Uber as well as AirBnB.
  • Trades by third parties: Java is the platform of choice for trading apps at Murex, the business that offers technology innovations to the financial industry.
  • Huge Data: ElasticSearch, Apache’s Distributed file system ( hdfs, and the open-source Accumulo are just a few of the Java-based applications found in the hadoop big data technologies.
  • Java-based apps are used by social media sites including Facebook, Twitter, Slack, as well as Insta.
  • Lookup Engines: Google utilizes Java to develop apps like Google Docs but also code its servers.
  • Additionally, Java is used in Google, related technologies, and the Industrial iot.

Comparison between Node js and Java:

The following are the comparisons between node js and java. They are:

  • Creation: Java is an object oriented programming language that is basically written in the c++ language.
  • Node js is written using the C, C++, javascript programming languages.


  • Java is a complex based web application which is fully concurrent in nature.
  • Node js is a highly scalable server side application programming language.


  • Java is most suitable for complexity based projects whereas node js is most suitable for small sized projects.


  • Java is a very useful web application that is transparent whereas node js is a very useful and scalable application as well.


  • In order to run java it needed JDK i.e java development kit whereas for running the node js there is a need for installing the archive file system.


  • Java is responsible for dominating the server side projects whereas node js can be used on both client and server side.


  • Java uses the following frameworks such as spring, structs whereas node js utilizes multiple frameworks such as express.js, parietal.js and many more.

Perks of Node.js over Java:

The following is an overview of some crucial differences between Node.js and Java.

  • Node.js performs incredibly well. It is nearly 20% quicker than Java.
  • A majority of code is distributed via git as well as other platforms by the Node.js ecosystem, which is active and dynamic.
  • The number of top-notch npm modules for Node.js is rising.
  • Asynchronous IO in Node.js, which seems to be the destiny of parallelism and scalability, now available.
  • The computation time required to transmit multimedia content is reduced overall thanks to Node.js. Apps using Node.js rarely cache any information. Therefore, it is ideal for posting videos.
  • Node.js-based web servers are quicker than Apache-based ones.

Perks of java over node js:

Well here’s a summary of some crucial areas where Java excels:

  • Java had been around for more than 20 years, giving this a rock-solid base. As a result, it is more trustworthy and popular.
  • Eclipse, NetBeans, or IntelliJ were three excellent tools for Java programmers that have considerable overlap with server, debugging tools, and decompilers.
  • Java makes remote debugging easier.

Characteristics of Node.js:

Here is a collection of several of Node.js’s key characteristics that make this the top pick of software developers.

  • Exceptionally quick: Because Node.js is based on the V8 Javascript Library for Chrome, the library executes code incredibly quickly.
  • All Methods in the Node.js framework are asynchronously, or non-blocking, or occurrence. Therefore, a server built with Node.js constantly pauses for such an Apis to deliver data. When accessing an API, this same server advances on to another one, as well as a Node.js alert system called Events enables the client to receive a response before moving onto another API. This is also the cause of how quickly it moves.
  • One thread: Node.js has an incident looped single threaded paradigm.
  • Secure And scalable: The incident mechanism of Node.js enables the client to reply inside a non-blocking manner, making it highly suitable.
  • Node.js reduces computation when streaming multimedia content without any buffering. Apps using Node.js rarely cache any information. These programmes merely print the information in sections.
  • Open source: The Node.js ecosystem has created a number of good plugins to enhance the functionality of Node.js apps.
  • Node.js is distributed underneath the MIT license.

Characteristics of java:

The main motivation for developing Java would have been to add security & scalability to programming languages. In addition to these two key characteristics, there were numerous more characteristics that were crucial in shaping the ultimate shape of this exceptional language. These traits are:

  1. simple: Java is straightforward to understand, as well as its syntax seems clear, concise, and easy to comprehend.Java simply does not use the murky and muddled C++ ideas, or they’ve been re-implemented inside a clearer manner.
  2. object-oriented: It must be an object with information and action in Java. Java’s Object – oriented design foundation makes it simple to extend. Here are several fundamental OOP concepts, including Object, Class, Inheritance, Polymorphism, Abstract, and Encapsulation.
  3. Robust and strong: Java focuses mostly on program execution error testing and real time testing in trying to get rid of error-prone routines. However by offering an autonomous debugger or exception handling, Java mostly enhanced virtual memory and inappropriate management exceptions.
  4. Platform Completely irrelevant: Unlike some other computer languages that are converted into console processors, including C, Objective – c, etc. Java seems to be a technology that is assuredly write-once, run-anywhere. Java programmes are converted to bytecode during compilation. The bytecode is system neutral and may be executed on any computer. This also offers security. Java programmes can be executed on every machine that has the Java Runtime Environment.
  5. Secure: Java should always be the first option these days for safety. With Java’s security capabilities, we can create systems that are free of viruses and malicious code. Java programmes are more safe because they often run in the Java runtime environment having essentially no OS interaction.
  6. Multi Threading: Programming many tasks at once is feasible because of Java’s multithreading functionality. The advantage of parallel processing is how it runs numerous threads simultaneously while using the same storage as well as other facilities, such as Grammar mistakes are checked as you type.
  7. Building Neutral: Because bytecodes are created by the compiler and are independent of specific computer architectures, Java programmes run smoothly on all platforms.
  8. Portable: Java You can transfer byte code to every system. no functionalities that require execution. Everything pertaining to memory is predetermined, for instance, the size of basic data kinds.
  9. High Efficiency: Because Java seems to be a query language rather than a compiled one such as C or C++, it’s still not as quick. But Java uses the just interpreter to provide excellent performance.
  10. Dispersed: Another distributed programming is Java. Communications systems could be used to run specific programmes. By using TCP/IP different communication protocols, Java includes a dedicated class library. With comparison to C/C++, establishing internet connections seems to be a lot simpler in Java.


In contrast to Node JS, which is a C, C++, and Js framework, High – level programming language. Numerous tasks can be completed well with Java but never with Node JS, and conversely. The website development scene has been dominated by Java’s extensive and comprehensive set of libraries that it provides for decades. A platform that really is ideal for Java programmers called Node JS. Both the server – side and client functionality of a programme operate effectively.

Regarding I/O bound activities, which are centered on the occurrence approach, Node JS seems to be the preferable option. Because JavaScript is at the foundation of Node JS, JavaScript programmers would feel more at ease using it. Java has been a good programming language which offers a variety of platforms and tools to help users accomplish a variety of goals. JMS (Java Messaging System), JavaFX, Swing, JSF, Struts, and other Java components are just the top of the ocean.

Ultimately, it is dependent upon the apps that one wants to develop. Java apis and technologies can be used effectively to complete any Node JS task. While I/O constrained apps can be quickly constructed with Node JS technology, parallelism in Java allows for the construction of extremely quick programs. It ultimately refers to the technical knowledge of the programmer and the requirements.

The Author

My Name is Veera Ravala, Postgraduate in Marketing, Digital Marketing professional at HKR Trainings. I aspire to learn new things to grow professionally. My articles focus on the latest programming courses. You can follow me on LinkedIn.

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