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December 27, 2022 07:59 pm GMT

Java vs Javascript - What's the difference and Which is better?

Java and JavaScript are two programming languages that are often confused due to their similar names, but they are actually quite different.

Java is a programming language that was developed by Sun Microsystems (now owned by Oracle) in the mid-1990s. It is a high-level, object-oriented language that is widely used for building complex, large-scale applications. Java is known for its ability to run on any device that has a Java Virtual Machine (JVM), making it a popular choice for developing cross-platform applications.

Java is widely used in the tech industry and is a popular choice for building applications in a variety of settings, including enterprise, mobile, and web development. It is also used for building Android mobile apps, as the Android operating system is written in Java.

Java is a versatile and powerful language, and professionals with skills in Java are in high demand in the tech industry. Career opportunities for Java developers include roles such as software engineer, application developer, and full-stack developer.

Some examples of devices that may run Java include:

  • Desktops and laptops
  • Smartphones and tablets
  • Internet of Things (IoT) devices
  • Embedded systems
  • Web servers
// Your First Programclass HelloWorld {    public static void main(String[] args) {        System.out.println("Hello, World!");     }}

JavaScript is a programming language that was developed by Netscape in the mid-1990s. It is a high-level, dynamic, and interpreted language that is primarily used for building web applications. JavaScript is used to add interactivity to websites and is typically executed by the user's web browser. Here are some examples of usage that may run JavaScript:

  • Web development: JavaScript is commonly used to build interactive elements on websites, such as forms, animations, and games. It is also used to build web-based mobile apps and is a popular choice for building cross-platform mobile applications using tools such as React Native.

  • Mobile development: JavaScript can be used to build native mobile apps for iOS and Android using tools such as React Native and Ionic. It can also be used to build hybrid mobile apps, which are web-based apps that are packaged as native apps and can be installed on a device like a native app.

  • Internet of Things (IoT): JavaScript can be used to build applications for IoT devices, such as smart thermostats, security cameras, and smart home devices.

  • Desktop applications: JavaScript can be used to build desktop applications using tools such as Electron, which allows developers to build cross-platform desktop apps using web technologies.

  • Games: JavaScript can be used to build browser-based games and mobile games using tools such as Phaser.

// the hello world programconsole.log('Hello World');

While Java and JavaScript have some similarities, they are primarily used for different purposes. Java is generally used for building standalone applications, while JavaScript is used for building web applications and is primarily executed in the browser. It is important to note that the two languages are not related and do not share a common codebase.

1. Purpose

Java is generally used for building standalone applications, while JavaScript is used for building web applications and is primarily executed in the browser.

2. Syntax

Java and JavaScript have similar syntax, but they are not the same. Java uses static typing, while JavaScript is dynamically typed.

3. Object-oriented programming

What is object-oriented programming or OOP?
Object-oriented programming (OOP) is a programming paradigm that is based on the concept of "objects," which are data structures that contain both data and functions. In OOP, objects are used to represent real-world entities, and the functions within the objects are used to perform actions on or with the data.

OOP has several key principles, including encapsulation, inheritance, and polymorphism.

Encapsulation is the concept of bundling data and functions that operate on that data within a single unit, or object. This helps to promote modularity and reusability of code.

Inheritance is the concept of creating new objects that are derived from existing objects. The derived objects inherit the characteristics of the existing objects and can also have additional unique characteristics. This allows for code reuse and helps to reduce redundancy.

Polymorphism is the concept of allowing objects to have multiple forms. This can be achieved through inheritance, where a derived object can override or extend the characteristics of its base object, or through the use of interfaces, which allow an object to implement multiple behaviors.

OOP is a popular programming paradigm and is used in a variety of programming languages, including Java, C++, and C#. It is often used because it allows for the creation of modular and reusable code, and it promotes good software design practices.

Both Java and JavaScript support object-oriented programming, but they have different approaches to OOP. Java uses a more traditional, class-based approach, while *JavaScript * uses a prototype-based approach.

4. Execution

Java programs are compiled and run on a virtual machine, while JavaScript code is executed directly by the browser.

Now, come to the second question.

Which one is better?

It is not accurate to say that one programming language is "better" than the other, as it depends on the specific needs and goals of the project or application. Both Java and JavaScript are popular programming languages with their own strengths and capabilities, and the choice of which language to use will depend on the specific requirements of the project. Both Java and JavaScript are popular programming languages that are in demand in the tech industry. There are many career opportunities available for professionals with skills in these languages, and the demand for programmers with these skills is expected to remain strong in the coming years.

Conclusion

It is important to note that the two languages are not related and do not share a common codebase. While they have some similarities, they are primarily used for different purposes and have distinct features and capabilities. Share your thoughts in the comments.


Original Link: https://dev.to/souravghose/java-vs-javascript-whats-the-differences-and-which-is-better-3bhl

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