Hey Everyone, welcome back to another video by upGrad! Today, we’re diving into Introduction to Java, the language behind some of your favourite apps and games. Java is one of the key languages behind it. In this Java Tutorial, we’ll start with the history of Java, dive into what programming languages are, and then explain what Java is all about. You’ll learn what Java is used for, the cool features that make it stand out, and the different components of Java that make up the language. We’ll also talk about Java syntax, and show you how to write your very first Java program,
*Topics Covered:* - 00:48 - History of Java - 03:00 - Programs and programming language - 05:00 - What is Java ? - 06:57 - What is Java Programming used for ? - 08:01 - Features of Java - 11:00 - Components of Java - 12:12 - Java Syntax - 14:34 - First Java program (demo) - 18:20 - How to start learning Java for beginners?
*History of Java* Java was created by accident in 1992 by James Gosling and his team at Sun Labs. They were working on a set-top box project and ended up creating a new language, initially called Oak, named after a tree outside Gosling's office. However, due to a naming conflict, it was later renamed Java, inspired by the team's favorite coffee. Java was officially released in 1996 and has since become a versatile and widely-used language, utilized in various applications, including Windows and web apps, mobile apps, enterprise solutions, and games like PUBG.
*Programs and programming language* Programming languages like Java act as translators between humans and computers, which only understand binary (0s and 1s). Java is a platform-independent language, meaning programs written in Java can run on any device supporting Java without modification. This is achieved through:
1. Bytecode: Java programs are translated into bytecode, a universal language. 2. Java Virtual Machine (JVM): The JVM translates bytecode into machine code specific to each device, enabling "write once, run anywhere" functionality.
The JVM acts as a translator for each device, allowing Java programs to run seamlessly across different platforms.
*What is Java?* Java is a popular programming language due to its versatility, reliability, and multi-platform capabilities. Its key features include:
- Multi-platform: Works across various devices and systems - Object-oriented: Creates reusable and modular code - Network-centric: Designed for networked applications - "Write once, run anywhere": Platform independence, allowing code to run on any device without modification - Extensive libraries: Pre-written code for smoother development
*Java's benefits make it suitable for a wide range of applications, including:* - Web apps - Mobile apps - Enterprise systems - Big data applications - Server-side technologies
Overall, Java is a fast, secure, and reliable language that's perfect for building a variety of projects.
*Java is a versatile programming language used in:* - Web development: dynamic websites, e-commerce platforms, and enterprise applications - Mobile app development: Android apps using Java and Android SDK - Enterprise applications: CRM software, ERP systems, financial management tools - Scientific research: data analysis, machine learning, artificial intelligence applications (natural language processing, deep learning)
Please watch the video till the end for an in-depth knowledge & stay tuned for java tutorials for beginners part 2.
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