Contrasts between Java, Core Java, and Advanced Java

 

 

Contrasts between Java, Core Java, and Advanced Java 

What is Java? Java is a multipurpose and general PC programming language that is, class-based, object-situated, just as simultaneous and it has been explicitly intended to have as not many Imple...

What is Java?

Java is a multipurpose and general PC programming language that is, class-based, object-situated, just as simultaneous and it has been explicitly intended to have as not many execution conditions as could really be expected. The language has been planned to let application designers utilize the fundamental element that it has been promoted for "compose once, run anyplace" (WORA), and this implies that arranged Java code can run on all stages that help Java with the execution of JVM (Java Virtual Machine) without the requirement for recompilation.

Various Editions of Java Platform:

J2SE (Java Platform, Standard Edition)

Otherwise called Core Java, this is the most fundamental and the most standard variant of Java that you can experience. It's additionally called the understudy's level java and is instructed in schools. It is the most flawless type of Java, a fundamental establishment for any remaining versions. The language fundamentally comprises of a wide assortment of universally useful API's (like java. Lang, java util) and it likewise contains numerous specific reason APIs. J2SE is principally used to make applications that run under the Desktop climate. It comprises of the relative multitude of nuts and bolts of Java: the language, crude information types, Arrays, Streams, factors, Strings Java Database Connectivity (JDBC) and considerably more. This is the norm, from which any remaining versions came out, as indicated by the necessities of the time. 

J2EE (Java Platform, Enterprise Edition)

The Enterprise based adaptation of Java is additionally called as Advanced Java, has a lot bigger use of Java, like the distinctive improvement of web administrations, organizing, worker side prearranging, and other different online applications. As the name recommends, Enterprise Java is utilized to plan and create undertaking level applications that are utilized by numerous associations and organizations. J2EE is a local area driven release or form, that is there is a great deal of consistent commitments from industry specialists, Java designers, and other open-source associations. J2EE utilizes a large number of J2SE, just as, has numerous new highlights of its own like Servlets, JavaBeans, Java Message Services, and it adds an entirely different rundown of energizing highlights and functionalities to the language. J2EE utilizes HTML, CSS, JavaScript, and so forth to make site pages and web administrations. It's likewise perhaps the most generally acknowledged web advancement guidelines.

J2ME (Java Platform, Micro Edition)

This adaptation of Java is basically secluded and zeroed in on the applications running on inserted frameworks, mobiles and little gadgets. Likewise, the J2ME applications help in using the web pressure advances, which thus, lessen network use, and consequently it empowers the element of modest web availability. J2ME utilizes numerous libraries and API's of J2SE, just as, its very own significant number. The fundamental point of this release was to work flawlessly and instinctively on mobiles, remote gadgets, set-top boxes, and so on Old Nokia telephones, which utilized Symbian OS, utilized this innovation.

Different Editions of Java:

Java is a popular programming language used for developing a wide range of applications, from desktop and mobile applications to web applications and games. Java has been in existence for over two decades and has undergone several editions and versions, each with its own unique features and improvements. In this article, we will discuss the different editions of Java and their respective features.

Java Standard Edition (Java SE)

Java SE is the most widely used edition of Java and is used for developing desktop and server-side applications. It provides a complete set of libraries and tools for developing Java applications, including the Java Development Kit (JDK), the Java Virtual Machine (JVM), and the Java Runtime Environment (JRE).

Java SE includes many APIs and frameworks that are used for developing various types of applications, such as the Swing framework for building desktop applications and the JDBC API for accessing databases. Java SE also includes a number of security features, such as a secure class loader and a security manager, which help to ensure the safety and integrity of Java applications.

One of the most important features of Java SE is its "write once, run anywhere" (WORA) capability, which allows Java applications to run on any platform that supports Java, without the need for recompilation. This makes Java SE a popular choice for developing cross-platform applications.

Java Enterprise Edition (Java EE)

Java EE is an extension of Java SE and is used for developing web applications and enterprise applications. It includes a number of APIs and frameworks that are specifically designed for developing distributed, scalable, and secure applications.

Java EE includes several APIs for building web applications, such as the Java Servlet API and the JavaServer Pages (JSP) API. It also includes APIs for building enterprise applications, such as the Enterprise JavaBeans (EJB) API and the Java Message Service (JMS) API.

Java EE also includes a number of features for managing transactions, security, and performance, such as a transaction manager, a security framework, and a connection pool manager.

Java Micro Edition (Java ME)

Java ME is a lightweight edition of Java that is specifically designed for developing applications for small devices, such as mobile phones, PDAs, and embedded systems. Java ME includes a subset of the Java SE API, as well as a number of APIs that are specifically designed for small devices.

Java ME includes several APIs for building mobile applications, such as the Mobile Information Device Profile (MIDP) API and the Connected Limited Device Configuration (CLDC) API. It also includes APIs for developing embedded systems, such as the Java Embedded Server API.

One of the key features of Java ME is its small footprint, which allows it to run on devices with limited memory and processing power. Java ME also includes several features for managing device-specific functionality, such as a wireless messaging API and a Bluetooth API.

Java Card

Java Card is a smart card technology that allows Java applets to be run on small memory-constrained devices such as smart cards and embedded systems. Java Card was first introduced in 1996 and is developed and maintained by Oracle.

Java Card technology is based on the Java programming language, which is a high-level, object-oriented language that is widely used in enterprise and web application development. Java Card provides a subset of the Java language that is optimized for use in memory-constrained devices.

Java Card technology provides a secure execution environment for Java applets by providing a sandboxed environment that prevents malicious code from accessing sensitive information on the smart card. Java Card applets are compiled into bytecode that is interpreted by the Java Card Virtual Machine (JCVM) at runtime.

Java Card technology provides a number of benefits over traditional smart card technologies:

Platform Independence: 

Java Card technology provides platform independence, meaning that the same Java applet can be run on any device that supports Java Card technology, regardless of the underlying hardware and operating system.

Security:

 Java Card technology provides a secure execution environment that prevents unauthorized access to sensitive data on the smart card.

Flexibility: 

Java Card technology provides a flexible platform for developing and deploying smart card applications. Java Card applets can be easily updated or replaced without requiring changes to the underlying hardware or operating system.

Cost Effective: Java Card technology is cost-effective because it enables the development of reusable and scalable applications that can be deployed on a wide range of smart card devices.

Java Card technology consists of three main components:

The Java Card Virtual Machine (JCVM): The JCVM is responsible for executing Java Card applets. It provides a sandboxed execution environment that prevents unauthorized access to the smart card.

The Java Card Runtime Environment (JCRE): The JCRE provides a set of APIs for interacting with the smart card. It also manages the memory and resources of the smart card.

The Java Card Development Kit (JCDK): The JCDK is a set of tools and APIs for developing Java Card applets. It includes a Java Card simulator for testing applets without a physical smart card.

Java Card applets are developed using the Java programming language and are compiled into bytecode that is loaded onto the smart card. Java Card applets are typically small and simple applications that perform a specific task, such as authentication or payment processing.

Java Card applets can be loaded onto a smart card using a variety of methods, including:

Over-the-Air (OTA) Loading: OTA loading allows applets to be remotely loaded onto the smart card over a wireless network.

Card Management System (CMS) Loading: CMS loading allows applets to be loaded onto the smart card using a card management system.

USB Loading: USB loading allows applets to be loaded onto the smart card using a USB connection.

Java Card technology is used in a variety of applications, including:

Payment Cards: Java Card technology is used in payment cards, such as credit and debit cards, to securely process transactions.

Government IDs: Java Card technology is used in government-issued IDs, such as passports and driver's licenses, to securely store personal information.

Access Control: Java Card technology is used in access control systems, such as building access systems, to securely authenticate users.

Healthcare: Java Card technology is used in healthcare systems to securely store patient information.

In conclusion, Java Card technology provides a secure, flexible, and cost-effective platform for developing and deploying smart card applications. Java Card applets are developed using the Java programming language and are loaded onto the smart card using a variety of methods. Java Card technology is used in a variety of applications, including payment cards, government IDs, access control systems, and healthcare.

Java Card is a special edition of Java that is designed for developing applications for smart cards and other small, memory-constrained devices. Java Card includes a subset of the Java ME API, as well as several APIs that are specifically designed for smart cards.

Java Card includes several APIs for building smart card applications, such as the Java Card API and the Global Platform API. It also includes several features for managing security and access control, such as a secure element manager and a cryptography API.

One of the key features of Java Card is its ability to provide a high level of security for smart card applications, which are often used for sensitive operations such as banking and authentication.

JavaFX

JavaFX is a platform for building rich, interactive applications for desktop, web, and mobile platforms. It includes a number of APIs and tools for developing graphical user interfaces (GUIs), multimedia applications, and 2D and 3D graphics.

Beside these three renditions, there was another Java form that was delivered, Java Card. This release was focused to run applets easily and safely on keen cards and comparable innovation. Security, just as convey ability, was its fundamental component.

JavaFX is a release of Java innovation, that has now been converged with J2SE. It is vigorously engaged and essentially utilized, to make rich GUI (Graphical User Interface) in Java applications. It gives an option in contrast to the fundamental Swings (in J2SE), with itself as the standard GUI library. Backing has been given by both Desktop climate just as internet browsers.

Personal Java was likewise utilized intensely for inserted frameworks and versatile. In any case, it was ceased in its prior stages.

End: SO now you know the essential distinction between, Java, Core Java, and Advanced Java. We trust that you appreciated perusing this blog however much I am composing it. Expectation every one of the likenesses and contrasts are clear at this point.