Java is one of the most powerful programming language.Java is an Object Oriented Programming(OOP) language which works on Objects.Objects are real world entities which are closely related to reality and it helps us to program real world problems.Java's key features are:
1.Platform Independence: Java is a platform independent language i.e. the execution of the program is not dependent on the type of OS environment provided,it makes it possible to process the program at any type of environment variables.
2.Security: When we convert the code from one machine to the other,the code is first checked for viruses,if it is affected,the code will not be executed otherwise it will be executed.
3. Simple and Small: It is simple language as it uses the features of other languages such as C and C++.Java removes complexity as it does not use Pointers,Storage classes,Multiple Inheritance.
4. Distributive: Java is a highly distributive language i.e. the program can be designed to run on Computer Networks.Java provides a large collection of library of classes for communicating using various protocols such as HTTP,FTP etc.
5.Highly Portable: The portability of the Java is basically provided by Platform Independence.Java uses different sizes of data types.We can easily port our code from one system to the other.
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