Although Java and JavaScript have similar names, they are two entirely different programming languages. Java is a fully-featured, general-purpose language primarily used for server-side development, mobile development, and running in browsers.
To gather Java-based projects, you need JDK and JRE set up on your personal computers. Since Java is an unadulterated programming language, all that you do is under a class. It follows exceptionally severe composing and authorizes the projecting of references. Java and JavaScript, both are incredibly fruitful Computer Programming dialects that are utilized massively in the present.
Several developers moan at this coupling and many even feel that this naming disarray is only a piece of a showcasing trick. Thus, it is very important to choose find, and hire the best developer for your startup. The historical backdrop of these two famous programs (Java vs. JavaScript) dialects met for an exceptionally concise second on schedule during the beginning of Netscape.
What is the difference between Java and JavaScript?
JavaScript is an object-oriented language that is used to build applications that function in a browser or virtual machine. On the contrary, Javascript is an object-based scripting language that only runs on browsers.
If you want to dig more, here’s a detailed table walking through the difference between Java and JavaScript.
| Factors | Java | Javascript |
Language |
It’s a class-based object-oriented language. |
It’s a prototype-based scripting language. |
Working |
It’s a stand-alone programming language that is run on the Java Virtual by Machine. Here the source code is converted into byte code. |
JavaScript is a scripting language that must be placed within an HTML document. It should be run on various web browsers such as Firefox, chrome and others. |
File Extension |
The file extension of Java is . Java |
The file extension of Javascript is .js |
Compilation process |
It’s compiled and interpreted where source code is translated into bytecodes by Java Virtual Machine. |
There’s a JavaScript interpreter in each browser for the execution of JavaScript code. |
Code Type |
The code type of Java is Object-Oriented |
The code type of Javascript is Object-Based |
Syntax |
Data types have to be declared |
Data types don’t have to be declared. |
Companies that have used |
Uber, Netflix, Instagram, Airbnb |
Coursera, eBay, Reddit, Microsoft |
Process |
Compiled on the server prior to execution on the client |
Interpreted by client |
Language Type |
It’s a class-based object-oriented language. |
It’s a prototype-based scripted language |
Variable Declaration |
It supports static typing and that requires type declaration and variable prior to compilation and execution. |
It supports dynamic typing. However, in Javascript, the type declaration and variable can be defined anytime. |
Requirements |
To run a Java program, you will require the JDK (Javascript Development Kit). |
To run JavaScript, you will only require a text editor to write code. |
Features |
It’s easy to learn and has extensive libraries. |
It has popular frameworks and is best for front-end development. |
Learn More: WebAssembly vs JavaScript
Hourly rates of Java and JavaScript developers:
Hourly rates of developers rely upon a few factors, for example, rank level, the degree and intricacy of work, topographical area, and, obviously, the programming language they work with.
In such a manner, Java and JavaScript are very comparable because the hourly rates for the two dialects shift somewhere in the range of $61 and $80 universally.
The circumstance, nonetheless, is disparate in Eastern Europe. For instance, rates charged by Ukrainian designers (both Java and JavaScript) range somewhere in the range of $25 and $50 each hour.
Hiring dedicated developers from Asia is viewed as the least expensive ones, implying that they charge the most minimal rates for their work. For instance, if you hire a Java developer or JavaScript designer from India, then it might cost you just $15-$20 each hour. Nonetheless, a low cost ordinarily goes at the expense of quality.
Which language, Java or JavaScript, is more widely used?
Java is a general-purpose language, created in the mid-1990s, known for its robustness and reliability along with the promise of platform independence. Java is used in building large-scale enterprise applications, Android mobile applications, server-side applications, and all kinds of backend systems.
Javascript, on the other hand, is a high-level programming language that was originally developed for adding interactivity to web pages. With the time and evolution that Javascript has undergone due to its versatility and different applications, it is classified under front-end web development for dynamic and interactive features one can have on a website and, as witnessed with the advent of node.js, even in server-side developments as well.
In terms of sheer popularity and usage, JavaScript has gained significant traction because of its association to web development. The fact is that JavaScript is currently the de facto language for client-side scripting on the web and it is supported by all modern web browsers. JavaScript frameworks and libraries such as React, Angular, and Vue.js have further associated it and borne its power within the ecosystem of web development.
Similarities and dissimilarities between Java vs JavaScript
Java and JavaScript are two popular programming languages that have many dissimilarities and similarities. Below are the major similarities and dissimilarities:
Similarities:
Syntax:
Java and JavaScript share the same syntax in terms of control flow statements; that is, loops and conditional statements. Therefore, it would be easier for a developer accustomed to either of the two languages to program with the other.
Object-Oriented Programming (OOP):
Both languages support OOP paradigms: they both have classes, objects and inheritable properties; thus, modular and reusable code can be accomplished.
C-like Syntax:
Java and JavaScript share a C-like syntax. This means that they have similar programming constructs to the rest of the world with languages like as C, C++ or C#. Switching to any of these languages becomes easier for programmers.
Garbage Collection:
Both of them support automatic garbage collection. Hence, the developer would not be burdened with allocation and deallocation of memory.
Dissimilarities:
Platform:
Java is a general-purpose programming language that can be used to build applications that run on a virtual machine called the Java Virtual Machine (JVM). JavaScript is primarily used for web development and runs on web browsers.
Type System:
Java is a statically typed language because variable types are checked at the time of compilation. On the other hand, JavaScript is dynamically typed and thus allows variables to hold values of any type. This implies that the way of writing and executing a piece of code is entirely different in each language.
Execution Environment:
A code in Java needs a JVM for executing it whereas JavaScript executes through a web browser’s JavaScript engine.
Java vs. JavaScript: Which one is more popular?
In the debate of Java vs. JavaScript, declaring a winner in terms of popularity is a nuanced endeavor. Both the languages have garnered large followings and continue to play crucial roles in the world of programming. Java is versatile and its presence in diverse sectors solidify’s its position, while JavaScript’s ubiquitous presence on the web and adaptability in modern development cements its popularity. The choice between the two comes down to the context of the project and the goals of the developer. Whether you are building robust applications with Java or crafting dynamic web experiences with JavaScript, both languages offer their unique contributions to the programming landscape.
Conclusion
In conclusion, both Java and JavaScript are powerful languages used extensively used in programming, but they both have their own purposes in the development ecosystem. Java offers strong typing and is compiled, thus providing performance and reliability, which makes it excellent for complex systems. As a lightweight, prototype-based scripting language, JavaScript meets the demands of interactive dynamic functionality on a website.
Thus, when it comes to choosing between Java and JavaScript, the primary consideration is the actual requirement of the project. Java is considered appropriate for high-performance applications and enterprise systems; whereas JavaScript is the preferred language in web interactivity and short development cycles. Implicitly, while both languages have their pros and cons, the ultimate choice is weighed against factors like the intended platform, project scope, and team competence.
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