Top 5 Features of Java Programming Language
Java is a powerful language with a variety of attributes that make it an extremely efficient programming languages of the present. As time goes by it has been recognized as one of the most popular programming languages for various types of requirements. This article will discuss certain of its features that make this one of the more efficient languages.
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1. Java is Platform Independent
Java is a platform-independent programming language that can be used on any platform. Java allows you to write and compile your code for one machine(eg. windows) and after that you can run the compile code(.class document) in any machine(eg. macOS or linux). That's what the term platform-independent java means the program that is written and built on one computer can be executed on any machine.
2. Java is Object Oriented
Java is an object-oriented programming language, which means it supports the principles of Object-Oriented Programming(OOPs) such as the Encapsulation, inheritance, Abstraction Polymorphism etc. In Java, everything is played around with objects. We define methods, variables and more for objects within programs. Programming languages such as C, FORTRAN, PASCAL etc focus on logics, while Java focuses on objects. An object can contain information in the form of fields(instance variable) as well as code/logic that is in form of techniques.
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3. Java is Simple
Java is a very simple language because its syntaxes are like C++ syntaxes, it also offers automatic memory management by garbage collection. Programmers aren't required to think about the intricate management of memory. In addition, Java has many classes that are pre-defined to meet diverse requirements of the program. Java isn't able to support all of the advanced features such as the overloading of operators, multi-inheritance and so on. There is also no notion of pointers in Java, which confuses programmers quite a bit. This makes Java an easy language.
4. Java is Secure
Java is secure due to the fact that it is equipped with features like automated memory management without explicitly pointed pointer or bytecode verifyer and others that improve the security of Java applications. Because Java doesn't have the concept of pointer , and also provides an automatic management of memory which reduces the risk of leaks in memory. Bytecode verifyer makes sure that .class files are not altered explicity, any editing done by another party causes the program not to run. Also , Java programs run in the Java virtual machine, which increases its security. This makes Java one of the most secure languages.
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5. Java is Portable
Java is portable due to the fact that it is portable because the bytecode(.class files) that a software program uses may be executed on multiple machines without any changes to it. If the machine changes or the configuration(hardware, operating system or both) of existing machine changes, same bytecode can be executed on new machine/configuration as well. Java's Write once , run anywhere feature makes Java the most portable language. Java was created with the purpose that, if new architectures are created Java's environment can be easily transferred. When porting, all you have to do is to install the .class files of the application on an the machine you are currently using. Simply copy the .class files to the new machine, and then run your application by installing(if you haven't already installed) Java virtual machine on your new machine.
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