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Top 12 Features of Java

Top 12 Features of Java

07 Sep 2024
Beginner
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9 min read
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Features of Java Programming Language

Java features itself as the backbone of Java. Because Java, a programming language is known for its simplicity, flexibility, and robust functionality. It was developed to be user-friendly while delivering performance and compatibility, across platforms. Whether you're building a simple app or a complex system, Java has something to offer called its features . Let's explore the features of Java that contribute to Java's adoption by developers worldwide.

In this Java tutorial, We will learn some top Features of Java such as Simple, Object-OrientedPortable, platform-independent So on.

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Top features of the Java language

Below is a list of the key features of the Java programming language

  • Simple
  • Object-Oriented
  • Portable
  • Platform independent
  • Secured
  • Robust
  • Architecture neutral
  • Interpreted
  • High Performance
  • Multithreaded
  • Distributed
  • Dynamic

Top features of the Java language

1. Simple

  • Java is user-friendly.
  • Its syntax is clear and concise making it suitable for both aspiring programmers and experienced professionals.
  • By omitting features like pointers and operator overloading seen in languages Java minimizes errors and improves code readability.
  • Furthermore, Java includes a library that streamlines various common programming tasks.

2. Object-Oriented Approach

Fundamentally object-oriented Java revolves around the concept of objects and classes. This design fosters the creation of reusable and maintainable code.

OOPs Concepts:

3. Portable

  • Java's portability is one of its biggest benefits.
  • Programs written in Java are compiled into bytecode, which a Java Virtual Machine (JVM) can run on any platform.
  • This makes Java an excellent option for cross-platform development.
  • Since Java code written on one platform can execute unchanged on any other platform that supports JVM.

4. Platform Independent

Java is platform-independent because Java is a write-once, run-anywhere language, unlike other languages like C, C++, etc., which are compiled into platform-specific machines. The software or hardware environment that a program operates in is called a platform.

There are two types of Platforms

  • Hardware-based
  • Software-based.

Java offers a software-based platform. Being a software-based platform which consists of again two parts:

  • API (Application Programming Interface)
  • Runtime Environment

Numerous operating systems, including Windows, Linux, Sun Solaris, Mac/OS, and others, can run Java code. The compiler compiles and transforms Java code into bytecode. This code is platform-neutral bytecode.

5. Focuses on Security

  • Security is an aspect of Java's design.
  • The language was crafted with security as a priority incorporating features such as bytecode verification, secure class loading, and a robust security manager that sets access controls for Java classes.
  • These measures serve to safeguard against code and unauthorized access establishing Java as a choice for building secure applications.

Security is the main reason for Java's fame. We can create virus-free systems using Java. Java is safe because of the following two factors :

  • No explicit pointer
  • Java Programs run inside a virtual machine sandbox

Focuses on Security

  • ClassLoader: In Java, the Classloader is a component of the Java Runtime Environment that dynamically loads Java classes into the Java Virtual Machine. It enhances security by segregating file system class packages, from those obtained from network sources.
  • Bytecode Verifier: The Bytecode Verifier scans code fragments for code that could breach object access rights.
  • Security Manager: The Security Manager controls a class's access to resources like reading and writing to the disk.

Java inherently includes these security features. Additionally, developers can implement security measures such, as SSL, JAAS, and Cryptography.

6. Robust- Reliability at Its Core

  • Java is renowned for its reliability and robust nature.
  • The language places emphasis on error detection runtime checks and efficient memory management.
  • Elements like exception handling, garbage collection, and type validation during both compilation and execution phases contribute to Java's capacity to develop error-free applications.
  • Strong memory management in Java helps prevent issues like memory leaks, from occurring.

7. Architecture Neutral

  • Java is known for its architecture nature meaning that Java applications are not limited to a processor or hardware design.
  • This adaptability is made possible by Java bytecode, which is interpreted by the Java Virtual Machine (JVM) on any hardware platform.
  • This unique aspect enables Java applications to run seamlessly across environments without the need, for modifications.

8. Interpreted

  • In terms of execution, Java programs undergo both compilation and interpretation processes.
  • The source code is first compiled into bytecode by the Java compiler.
  • Then this bytecode is interpreted by the JVM when the program runs.
  • This dual approach provides flexibility and efficiency allowing for program execution and supporting features like Just In Time (JIT) compilation, which optimizes performance by converting bytecode into machine code during runtime.

9. High Performance

  • Java achieves performance levels through optimization techniques.
  • JIT compilation plays a role in enhancing execution speed by converting bytecode into machine code on the fly.
  • Furthermore, the JVM implements runtime optimizations such as method inlining and adaptive optimization to further boost the performance of Java applications.
  • While historically considered slower compared to languages like C++, Java has made performance advancements over time.

10. Multithreaded

  • The concept of multithreading stands out as a feature of Java enabling the execution of multiple threads within a program.
  • To support multithreading Java includes built-in features, like the java.lang.
  • Thread class and java.util.concurrent package.

11. Distributed 

  • Developers can utilize Java to create high-performance applications for handling multiple tasks simultaneously.
  • This makes Java well-suited for crafting real-time applications, like web servers and multimedia software.

12. Dynamic

One dynamic language is Java. It allows classes to load dynamically. It indicates that courses are added as needed. Additionally, it supports functions from C and C++, which are its native languages.

Conclusion

Java's ranging features establish it as a robust programming language. Its user design, object-oriented approach, cross-platform compatibility, security measures, resilience, and speed have cemented its status as a language among developers in various fields. Whether you're working on enterprise-grade applications, mobile apps, or web services Javas attributes offer a framework, for developing effective software. Also, consider our Java Full Stack Developer Course for a better understanding of Java core concepts.

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FAQs

Q1. What are the main features of OOPS?

The main features of object-oriented programming are Class, Object, Inheritance, Encapsulation, and Abstraction Polymorphism. These features make the code flexible , extensible, reusable and easy to understand.

Q2. What is the feature of Java 9?

Java Platform Module System, REPL (JShell), new language enhancements, and updates to its APIs.

Q3. What is inheritance in Java?

Inheritance in Java is a mechanism in which one object acquires all the properties and behaviors of a parent object.
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About Author
Shailendra Chauhan (Microsoft MVP, Founder & CEO at Scholarhat by DotNetTricks)

Shailendra Chauhan is the Founder and CEO at ScholarHat by DotNetTricks which is a brand when it comes to e-Learning. He provides training and consultation over an array of technologies like Cloud, .NET, Angular, React, Node, Microservices, Containers and Mobile Apps development. He has been awarded Microsoft MVP 9th time in a row (2016-2024). He has changed many lives with his writings and unique training programs. He has a number of most sought-after books to his name which has helped job aspirants in cracking tough interviews with ease.
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