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Questions and Answers
Who developed the Java programming language?
Who developed the Java programming language?
Sun Microsystems
In which year was Java created?
In which year was Java created?
1995
Who is known as the father of Java?
Who is known as the father of Java?
James Gosling
What was the original name of Java?
What was the original name of Java?
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Which platforms or editions of Java are mentioned?
Which platforms or editions of Java are mentioned?
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Which types of applications can be created using Java?
Which types of applications can be created using Java?
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Java was originally designed for interactive television.
Java was originally designed for interactive television.
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What was the first name given to Java?
What was the first name given to Java?
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The programming language created by James Gosling is known as ______.
The programming language created by James Gosling is known as ______.
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What are the advantages of Enterprise Applications in Java?
What are the advantages of Enterprise Applications in Java?
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What is the role of EJB in Java?
What is the role of EJB in Java?
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Name one technology used for creating web applications in Java.
Name one technology used for creating web applications in Java.
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Study Notes
General Overview of Java
- Java is both a programming language and a platform, designed to be high-level, robust, object-oriented, and secure.
- Developed by Sun Microsystems in 1995, now a subsidiary of Oracle, with James Gosling as the father of Java.
- Originally named Oak, the name was changed to Java due to trademark issues.
Java Platform and Runtime
- A platform refers to any hardware or software environment where programs can run.
- Java includes a runtime environment (Java Runtime Environment - JRE) and application programming interfaces (APIs), categorizing it as a platform.
Distribution and Usage
- Estimated that over 3 billion devices currently run Java.
- Java is utilized in various applications, including:
- Desktop applications (e.g., media players, antivirus programs)
- Web applications (e.g., irctc.co.in, javatpoint.com)
- Enterprise applications (e.g., banking systems)
- Mobile devices
- Embedded systems
- Smart cards
- Robotics
- Video games
Types of Java Applications
- Standalone Applications: Also known as desktop applications, requiring installation on each machine (e.g., media players, antivirus). Developed using AWT and Swing.
- Web Applications: Server-side applications that generate dynamic web pages utilizing technologies such as Servlets, JSP, Struts, and Spring.
- Enterprise Applications: Distributed applications focused on high security and load balancing, often utilizing Enterprise JavaBeans (EJB).
- Mobile Applications: Tailored for mobile devices, built using Java ME and Android.
Java Platforms/ Editions
- Java SE (Standard Edition): Core platform including key APIs (e.g., java.lang, java.util, java.sql) and fundamental programming topics (OOP concepts, multithreading).
- Java EE (Enterprise Edition): Focused on developing web and enterprise applications, built on Java SE and includes Servlet, JSP, EJB, and JPA.
- Java ME (Micro Edition): Specifically aimed at mobile applications.
- JavaFX: Used for developing rich internet applications with a lightweight user interface API.
History of Java
- The initial purpose of Java was for interactive television but was not practical at that time. The project started in the early '90s by a small team called the Green Team.
- Java was intended for digital devices like set-top boxes but transitioned to internet programming, particularly through incorporation by Netscape.
- Principles for Java's creation included being simple, portable, platform-independent, secure, high performing, and object-oriented.
- Key milestones in Java's history include:
- Initiation of the project in June 1991 by James Gosling, Mike Sheridan, and Patrick Naughton.
- Original names included "Greentalk," later renamed to Oak, representing strength.
- Renamed Java in 1995 due to trademark issues with Oak Technologies.
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Description
Explore the fundamentals of the Java programming language. Learn about its history, key features, and its evolution from Oak to Java. This quiz highlights the significance of Java as a robust, object-oriented, and secure programming platform.
