1 / 39

The Genesis of Java - From Coffee to (1)

History of Java<br>

7853
Download Presentation

The Genesis of Java - From Coffee to (1)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. SESSION 1

  2. The Genesis of Java - From Coffee to Code A Journey Through the History of a Programming Revolution

  3. Introduction - A World Powered by Java Today, we're going to embark on a fascinating journey through time, exploring the origins and evolution of one of the most impactful programming languages in history: Java.

  4. Introduction - A World Powered by Java Before we dive into the specifics, take a moment to consider the digital world around you. Your Android phone, countless enterprise applications that run banks and businesses, big data processing, even parts of cloud infrastructure – a significant portion of this digital landscape is powered by Java. But how did this language come to be? Where did it start? That's what we'll uncover today.

  5. The Humble Beginnings: The Green Project Our story begins not in a Silicon Valley garage, but in a small team at Sun Microsystems in the early 1990s. This initiative was known as the Green Project, and it was led by a brilliant engineer named James Gosling. • The Team: James Gosling, Mike Sheridan, and Patrick Naughton were the core members. They were given a unique challenge: to envision the future of interconnected digital devices.

  6. The Humble Beginnings: The Green Project • The Problem: Existing programming languages like C++ were powerful, but they were complex, prone to errors, and, crucially, not easily adaptable to the diverse range of small, embedded devices they were targeting. Imagine trying to write software for a toaster, then a washing machine, then a TV remote, all using different chips and operating systems. It was a nightmare.

  7. Initial Purpose: Consumer Electronics This is a critical point: Java's initial purpose was NOT the internet. It was conceived for consumer electronics. • The vision was to create a programming language that could run on various embedded systems – things like set-top boxes, VCRs, smart appliances, and eventually, interactive televisions.

  8. Initial Purpose: Consumer Electronics • They needed a language that was: • Small and efficient: To run on devices with limited memory and processing power. • Reliable and robust: So your washing machine wouldn't crash mid-cycle. • Platform-independent: The holy grail – write the code once, and it should run on any device, regardless of the underlying hardware or operating system.

  9. Initial Purpose: Consumer Electronics • James Gosling initially created a language called "Oak", named after an oak tree outside his office window. This was the precursor to Java.

  10. A Fortuitous Pivot: Evolution and Adaptation for the Internet • The Rise of the World Wide Web: While the Green Project was progressing, another revolution was quietly brewing: the World Wide Web. By 1993-1994, the internet was beginning its rapid ascent, and it quickly became clear that a truly interactive, platform-independent medium was needed for web content.

  11. A Fortuitous Pivot: Evolution and Adaptation for the Internet • Netscape's Interest: Sun Microsystems recognized the synergy. The same qualities that made Oak ideal for embedded devices – its platform independence, robustness, and ability to handle diverse environments – were exactly what the nascent internet needed.

  12. A Fortuitous Pivot: Evolution and Adaptation for the Internet • The Renaming: "Oak" had a trademark conflict, so in 1995, it was renamed "Java", reportedly inspired by the coffee consumed by the developers. The coffee cup logo became iconic.

  13. A Fortuitous Pivot: Evolution and Adaptation for the Internet • Java was poised to become the language of the internet, enabling dynamic, interactive web pages through applets – small Java programs that could run directly in web browsers.

  14. Key Milestones and Versions: The Growth of an Ecosystem Java's journey from Oak to a global platform involved significant milestones and version releases, expanding its capabilities and reach. • Java 1.0 (January 1996): This was the official public release. It included the Java Virtual Machine (JVM) and the core APIs. It marked the birth of "Write Once, Run Anywhere" (WORA) as a practical reality.

  15. Key Milestones and Versions: The Growth of an Ecosystem • J2SE (Java 2 Platform, Standard Edition): As Java matured, Sun Microsystems introduced the "Java 2 Platform" in 1998, splitting Java into different editions to cater to diverse needs: • J2SE (Standard Edition): For desktop applications, applets, and general-purpose programming. This is what most individual developers use.

  16. Key Milestones and Versions: The Growth of an Ecosystem • J2EE (Enterprise Edition): For building large-scale, distributed, multi-tier enterprise applications (like banking systems, e-commerce platforms). It provided technologies for web servers, databases, and more. • J2ME (Micro Edition): For small devices, like mobile phones (before smartphones as we know them) and embedded systems. This brought Java back to its roots in consumer electronics.

  17. Key Milestones and Versions: The Growth of an Ecosystem • Renaming (2006): The "J2" prefix was dropped, and the editions became simply Java SE, Java EE, and Java ME.

  18. Key Milestones and Versions: The Growth of an Ecosystem • OpenJDK (2006/2007): A monumental step. Sun Microsystems began making the Java platform open source, leading to the creation of OpenJDK. This fostered immense community growth and innovation. Most of the Java you interact with today, even if it's based on Oracle's builds, stems from OpenJDK.

  19. Key Milestones and Versions: The Growth of an Ecosystem • Continuous Evolution: Since then, Java has seen regular updates (Java 8, 11, 17, 21 as LTS versions, with rapid release cycles in between). Each version brings new features, performance improvements, and modern capabilities.

  20. Ownership Changes: Sun Microsystems to Oracle • Sun Microsystems: Java was born and nurtured at Sun Microsystems, a pioneering technology company known for its workstations, servers, and software. Sun was the primary steward of Java for over a decade.

  21. Ownership Changes: Sun Microsystems to Oracle • Acquisition by Oracle (2010): In 2010, Oracle Corporation, a major enterprise software and database company, acquired Sun Microsystems for approximately $7.4 billion. This acquisition included Java, along with other key Sun technologies like Solaris and MySQL.

  22. Ownership Changes: Sun Microsystems to Oracle • Impact of Oracle's Stewardship: Oracle has continued to develop and evolve Java. This acquisition led to some changes in licensing and support models, particularly for commercial use, which spurred further development of OpenJDK and alternative distributions. However, Java remains a free and open-source language for most development purposes, especially through OpenJDK.

  23. The Legacy: Why Java Endures Its enduring popularity is a testament to its foundational principles: • Platform Independence (WORA): Still its greatest strength. • Robustness and Reliability: Crucial for mission-critical applications. • Scalability: Can handle everything from a small device to massive enterprise systems. • Large Ecosystem and Community: A vast pool of developers, libraries, and frameworks.

  24. Processing Questions: The Genesis of Java Part 1: Recall & Comprehension • What was the name of the initial project that led to the creation of Java, and who was the lead engineer on that project? • What was Java's original intended purpose or target audience, before it became widely used for the internet? Can you name a specific type of device it was designed for? • How did the rise of the World Wide Web influence Java's development and its eventual widespread adoption? What key concept made it suitable for the web? • Can you name at least two major "editions" or versions of Java (e.g., J2SE, J2EE, Java SE/EE/ME) and explain what each one was generally designed for? • What significant ownership change occurred in Java's history, and which company acquired it? When did this roughly happen?

  25. Part 2: Analysis & Connection • The lecture highlighted Java's core principle of "Write Once, Run Anywhere" (WORA). Based on what you learned, what specific underlying technologies or design decisions allow Java to achieve this platform independence? • Imagine you are a programmer in the early 1990s using C++ for consumer electronics. What problems would Java (then Oak) have solved for you that C++ couldn't, especially regarding the original goal of the Green Project? • How did the move to open source (OpenJDK) impact Java's development and community? Do you think this was a positive or negative development, and why? • Consider the transition of Java from Sun Microsystems to Oracle. What potential advantages or disadvantages might this ownership change have brought to the Java ecosystem? • Based on Java's historical journey, what lessons can we learn about the evolution of technology and the importance of adaptability in programming languages?

  26. Part 3: Reflection & Application • Before this lecture, what did you already know or assume about Java's origins? Has anything you learned today surprised you or changed your perspective? • Thinking about the initial purpose of Java (consumer electronics) versus its later success on the internet, can you think of any other technologies that started with one goal but found their true calling in a completely different area? • Why do you think Java has remained relevant and widely used for so long, despite the emergence of many other programming languages? (Connect this to its historical strengths). • If you were part of the Green Project, what might have been the biggest challenge in designing a language for their original goal? • Looking ahead, knowing Java's history of adaptation, what might be a new area or technology where Java could see significant future growth or adaptation?

  27. FORMATIVE TEST 1. Which of the following is NOT typically considered a direct consequence of Java's adaptation for the internet? • The widespread adoption of the 'Write Once, Run Anywhere' principle. • The use of Java for offline desktop calculator applications. • The creation of interactive web content through applets. • The development of server-side technologies like Servlets and JSPs.

  28. 2. Java was primarily adapted for the internet due to the rise of the World Wide Web. What type of small Java program could run directly within web browsers, enhancing interactive content? • Servlets • Classes • Beans • Applets

  29. 3. What significant development in 2006-2007 greatly expanded community involvement and transparency in Java's development? A. The release of the JavaFX platform B. The introduction of Java applets C. The acquisition by Oracle D. The open-sourcing of Java (OpenJDK)

  30. 4. Which of the following Java editions was specifically designed for building large-scale, distributed, multi-tier enterprise applications? A. Java EE (Enterprise Edition) B. Java SE (Standard Edition) C. Java FX D. Java ME (Micro Edition)

  31. 5. What was the initial name of the programming language developed by James Gosling before it was renamed Java? A. Emerald B.Pine C.Oak D.Maple

  32. 6. Which company acquired Sun Microsystems, thereby taking over the stewardship of the Java programming language in 2010? • IBM • Microsoft • Oracle • Google

  33. 7. In what year was Java 1.0, the first official public release of the Java programming language, introduced? A. 1991 B. 1996 C. 2000 D. 1995

  34. 8. The concept of "Write Once, Run Anywhere" (WORA) in Java is primarily enabled by which two core components? A. Java Applets and HTML B. Java Virtual Machine (JVM) and Bytecode C. Java Standard Edition (SE) and Enterprise Edition (EE) D. Java Runtime Environment (JRE) and Java Development Kit (JDK)

  35. 9. What was the primary initial purpose for which Java (then known as Oak) was developed? A. Developing large enterprise databases B. Programming consumer electronic devices C. Creating web browsers D. Building operating systems

  36. 10. Which project at Sun Microsystems, led by James Gosling, was the initial effort that ultimately resulted in the creation of Java? A. The Emerald Initiative B. The Blue Project C. Project Yellowstone D. The Green Project

  37. Reference: • https://www.geeksforgeeks.org/java/the-complete-history-of-java-programming-language/ • https://docs.oracle.com/en/java/ • https://openjdk.org/ • https://unstop.com/blog/history-of-java • https://www.tech-insider.org/java/research/1998/05-a.html • https://dzone.com/articles/java-creator-james-gosling-interview • https://thenewstack.io/java-at-30-the-genius-behind-the-code-that-changed-tech/ • https://en.wikipedia.org/wiki/Java_(programming_language) • https://resources.saylor.org/wwwresources/archived/site/wp-content/uploads/2013/04/CS-101-1.3.1_History-of-Java-Programming-Language.pdf • https://en.wikipedia.org/wiki/Acquisition_of_Sun_Microsystems_by_Oracle_Corporation

  38. SESSION 2

More Related