Java vs JavaScript

In this article, we’ll learn about Java vs Javascript, as well as the key differences between them.

JavaScript

JavaScript is a scripting language (lightweight programming language) that is use to make web pages interactive. It has the ability to insert dynamic text into HTML. The browser’s language is also known as JavaScript. JavaScript (JS) is not connect to or similar to Java. Although both languages have a C-like syntax and are extensively use in client-side and server-side Web applications. There are just a few similarities between them.

Features of Javascript

  • JavaScript was creates in the first place for DOM manipulation. Earlier websites were mostly static, after JS was created dynamic Web sites were made.
  • Functions in JS are objects. They may have properties and methods just like another object. They can be pass as arguments in other functions.
  • Can handle date and time.
  • Performs Form Validation although the forms are create using HTML.
  • No need of a compiler.

Code Example: This is the basic Javascript example.

<script>
    console.log("Welcome to Softhunt.net");
</script>

Output:

Welcome to Softhunt.net

Java

Java is an object-oriented programming language with a virtual machine platform that allows you to compile and run applications on almost any platform. “Write Once, Run Anywhere,” Java promised.

Features of Java

  • Platform Independent: The JVM runs the bytecode created by the compiler after the compiler translates the source code to bytecode. This bytecode can run on any platform.
  • Object-Oriented Programming Language: Object-oriented programming is a method of organizing a program in terms of a collection of objects, each of which represents an instance of the class. The OOP concept is built on four key elements:
    • Abstraction
    • Encapsulation
    • Inheritance
    • Polymorphism
  • Simple: Because it lacks complex features like pointers, operator overloading, many inheritances, and explicit memory allocation, Java is consider as one of the simpler languages.
  • Robust: The Java programming language is robust, which implies it is dependable. It is design in such a manner that it prioritizes error detection as early as possible; as a result, the java compiler can find faults that are difficult to detect in other programming languages.
  • Secure: We don’t have pointers in Java, therefore we can’t access out-of-bound arrays; if we attempt, we get an ArrayIndexOutOfBoundException.
  • Distributed: The java programming language may be use to develop distributed applications. Java distributed applications are built using Remote Method Invocation and Enterprise Java Beans.
  • Multithreading: Multithreading is possible in Java. It is a Java feature that permits the execution of two or more portions of a program at the same time to maximize CPU usage.

Code Example: This is the basic Java program.

import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
        System.out.println(
            "Welcome to Softhunt.net");
    }
}

Output:

Welcome to Softhunt.net

Java vs JavaScript

JAVAJAVASCRIPT
Because Java is a strongly typed language, variables must be declared before they may be used. The type of a variable is verified at build time in Java.JavaScript is a scripting language with a more relaxed syntax and set of rules.
Java is an object-oriented programming language.JavaScript is an object-based scripting language.
Java applications can run in any virtual machine(JVM) or browser.JavaScript code used to run only in the browser, but now it can run on the server via Node.js.
Java objects are class-based, and we can’t write a Java program without first defining a class.JavaScript Objects are prototype-based.
The “.Java” file extension denotes a Java application that converts source code into bytecodes that are then executed by the JVM (Java Virtual Machine).The file extension for a JavaScript file is “.js,” and it is interpreted rather than compiled; every browser contains a Javascript interpreter to run JS code.
Java is a Standalone language.contained within a web page and integrates with its HTML content.
Java has a thread-based approach to concurrency.Javascript has an event-based approach to concurrency.
Java supports multithreading.Javascript doesn’t support multi-threading.

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