The two languages are entirely different otherwise and have evolved quite differently. Both are very well known in the world of web development and programming.
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Java is a programming language that is basically designed to run everywhere. Any application written in Java is compiled into bytecode that can run on implementations of Java Virtual Machine (JVM). JVM is the link between source code and the bytecode. Therefore, any machine with JVM can install and run Java. It is mostly used as a back-end programming language to build mobile apps for Android or web development. However, it also has front-end development applications as Java applets.
Java was first released in 1995 by Sun Microsystem and later acquired by Oracle corporation. It is one of the most used programming languages.
1. Object-Oriented Programming (OOP)
2. Used in Front-End Development
3. Used in Back-End Development
1. Running Platform
2. Mobile Applications
For Java, extensive documentation, online data sources, online forums, and communities are available for the learning process. Therefore, there is a lot of help available for those who want to learn and build Java programs and applications.
Java is a widely used language and almost every operating system supports it. That means, there is no need for conversion of the code to native code before implementation.
The syntax of Java language is similar to that of C or C++. It implements objects and classes. Here’s how a program in Java looks like:
Java language is independent in its scope and can run on various operating systems. It uses block-based scoping where a variable is out of scope when the control is out of a block. That means a variable declared inside a class is available inside that class only.
When to use Java?
You should choose Java for your project if it involves any of the following:
Big Data Analytics
Server-Side Technologies like Apache, JBoss, Geronimo, GlassFish, etc.
General Purpose Programming of Hardware
Dynamic single-page applications (SPAs)
Mobile App Development through PhoneGap, React Native, etc.
Server-Side technologies like Node.js, MongoDB, Express.js, etc.
Front-End technologies like jQuery, AngularJS, Backbone.js, Ember.js, ReactJS, etc.
Both the above lists are to get you started. Keep in mind that both of these languages have more applications and you must assess your needs before you choose one.
Disadvantages of Java
JIT compiler makes the program slow.
Due to the high memory and processing requirements of Java, the hardware cost is high.
Java has no support for low-level programming constructs such as pointers
You do not have control over garbage collection in Java.
It does not have multithreading or multiprocessing features.