Java Programming Help By Codersarts
What Is Java Programming?
Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to develop new softwares for various platforms. When a coder writes a Java application, the compiled code (known as bytecode) runs on most operating systems (OS), including Windows, Linux and Mac OS. Java derives much of its syntax from the C and C++ programming languages.
Java produces applets (browser-run programs), which facilitate graphical user interface (GUI) and object interaction by Internet users. Prior to Java applets, Web pages were typically static and non-interactive. Java applets have diminished in popularity with the release of competing products, such as Adobe Flash and Microsoft Silverlight.
Java applets run in a Web browser with Java Virtual Machine (JVM), which translates Java bytecode into native processor instructions and allows indirect OS or platform program execution. JVM provides the majority of components needed to run bytecode, which is usually smaller than executable programs written through other programming languages. Bytecode cannot run if a system lacks required JVM.
Java program development requires a Java software development kit (SDK) that typically includes a compiler, interpreter, documentation generator and other tools used to produce a complete application.
What Is Java Programming Platform?
Java platform is a collection of programs that help to develop and run programs written in the Java programming language. Java platform includes an execution engine, a compiler, and a set of libraries. JAVA is platform-independent language. It is not specific to any processor or operating system.
There are four platforms of the Java programming language:
Java Platform, Standard Edition (Java SE)
Java Platform, Enterprise Edition (Java EE)
Java Platform, Micro Edition (Java ME)
Java FX
All Java platforms consist of a Java Virtual Machine (VM) and an application programming interface (API). The Java Virtual Machine is a program, for a particular hardware and software platform, that runs Java technology applications. An API is a collection of software components that you can use to create other software components or applications. Each Java platform provides a virtual machine and an API, and this allows applications written for that platform to run on any compatible system with all the advantages of the Java programming language: platform-independence, power, stability, ease-of-development, and security.
Java SE
When most people think of the Java programming language, they think of the Java SE API. Java SE's API provides the core functionality of the Java programming language. It defines everything from the basic types and objects of the Java programming language to high-level classes that are used for networking, security, database access, graphical user interface (GUI) development, and XML parsing.
In addition to the core API, the Java SE platform consists of a virtual machine, development tools, deployment technologies, and other class libraries and toolkits commonly used in Java technology applications.
Java EE
The Java EE platform is built on top of the Java SE platform. The Java EE platform provides an API and runtime environment for developing and running large-scale, multi-tiered, scalable, reliable, and secure network applications.
Java ME
The Java ME platform provides an API and a small-footprint virtual machine for running Java programming language applications on small devices, like mobile phones. The API is a subset of the Java SE API, along with special class libraries useful for small device application development. Java ME applications are often clients of Java EE platform services.
Java FX
Java FX technology is a platform for creating rich internet applications written in Java FX ScriptTM. Java FX Script is a statically-typed declarative language that is compiled to Java technology bytecode, which can then be run on a Java VM. Applications written for the Java FX platform can include and link to Java programming language classes, and may be clients of Java EE platform services.
Features of Java
Independent Language :-
Java is platform independent because it is different from other languages like C, C++, etc. which are compiled into platform specific machines while Java is a write once, run anywhere language. A platform is the hardware or software environment in which a program runs.
There are two types of platforms software-based and hardware-based. Java provides a software-based platform.
The Java platform differs from most other platforms in the sense that it is a software-based platform that runs on the top of other hardware-based platforms. It has two components:
Runtime Environment
API(Application Programming Interface)
Architecture-neutral: - Java is architecture neutral because there are no implementation dependent features, for example, the size of primitive types is fixed.
In C programming, int data type occupies 2 bytes of memory for 32-bit architecture and 4 bytes of memory for 64-bit architecture. However, it occupies 4 bytes of memory for both 32 and 64-bit architectures in Java.
Object-Oriented Language :- We all know that Java is an object-oriented language. It represents an instance of a class like inheritance, abstraction, polymorphism, encapsulation.
Simple Language :- Java is simple Language. It has no Complex features like a pointer, operator overloading, inheritance, etc. So, that’s why it is easy to learn.
Multithreading :-The multithreading features of Java is mainly used for total utilization of CPU. It allows synchronized execution of two or more fragments of a program.
Portable :- Because of its portable feature if a java code is written on one computer system then it can run on another PC. Bytecode can transmit to any platform for execution.
Secure :- Java is a secure language. It enables to develop tamper-free and virus-free systems. It doesn’t support pointer for the memory.
Dynamic :- Java is a dynamic language. During execution time, the java environment can extent itself by linkin in classes. We can place it on remote servers on the internet.If you want Java programming help then we have Java coders for its solutions. Java coder helper can support you with Java programming assignment. If you have any problems, then experts are here to assist you 24*7.
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Other Java-Related Technologies support by Codersarts
Java Swing
RESTful Web Service
Android
Java Threads
Apache Spark and Kafka
Java Applets
Flowcharts
J2EEE
JavaScript
DevOps
Activity Diagrams
Sequence Diagrams
Class Diagrams
Unit testing
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