Java is a concurrent, class-based, object-oriented general-purpose computer programming language that was specifically designed to have as few implementation dependencies as possible. The development of Java was initiated by James Gosling, Mike Sheridan, and Patrick Naughton at Sun Microsystems in 1991. Java was one of the first programming languages which was not dependent on any particular hardware or operating system. Applications developed in Java can be executed anywhere and on any system or device by utilizing the JVM (Java Virtual Machine).
The Top 9 Practical Benefits of Java Applications are as follows:
1. Compiled and Interpreted
Basically computer software languages are either compiled or interpreted. Java combines both of these approaches thus making Java a two-stage system.
The Java compiler translates Java code to Bytecode instructions and the Java Interpreter generates machine code that can be directly executed by machine that is running the Java application.
2. Platform Independent and portable
One of the primary features of Java applications is portability. Java applications can be easily moved from one computer system to another, regardless of the hardware or software configuration of the host system. Changes and upgrades in operating systems, processors and system resources will not require modifications to Java applications. This is one reason why Java has become such a popular language for developing Internet applications, the environment which interconnects many different types of systems worldwide. Java enables portability in two ways. The first of which is, the Java compiler generates the bytecode that can be executed on any machine. The other is the size of primitive data types are machine independent.
3. Object- oriented
Java is truly an object-oriented language. In Java, almost everything is an object. All program code and data exist in objects and classes. Java comes with an extensive set of classes; organized in packages that can be used in applications by inheritance. The object model in Java is trouble-free and easy to extend.
4. Robust and secure
Java is a strong, stable language which provides many securities mechanisms in order to ensure reliable code. It is designed with garbage collection, which helps Java programmers handle memory management issues. Java also includes the concept of exception handling, which catches serious errors and significantly reduces the threat of crashing the system.
Security is an important feature of Java and this is one of the reasons it is so well suited for developing applications on the Internet.
The absence of pointers in Java ensures that parts of an application cannot access a memory location without proper approval.
As the first language designed from the bottom up with networking in mind, Java makes it very easy for computers to cooperate. Java is known as as distributed language for creating applications on networks which can contribute both data and application functionality. Java applications can open and access remote objects on the Internet easily. This means that application resources can be distributed among other systems and multiple programmers at multiple remote locations can work together on a single task.
6. Simple and small
Java is very small and simple language. Designed with simplicity in mind, Java does not use pointers and header files, goto statements, etc. It eliminates operator overloading and multiple inheritance.
7. Multi-threaded and Interactive
Multi threaded is the ability of a CPU(central processing unit) or a single core in a multi-core processor to execute multiple processes or threads concurrently, managing multiple tasks simultaneously. Java intrinsically supports multi-threaded applications. This means we need not wait for the application to complete one task before starting another task. On systems that support it, this feature can greatly enhance the performance of many applications.
8. High performance
By utilizing Just-In-Time compilation, adaptive optimization, garbage collection and multi-threading, a Java application's performance can be extraordinary. Java architecture is also designed to reduce overheads during runtime.
9. Dynamic and Extensible
Java is a dynamic language capable of dynamically linking in new classes, libraries, methods and objects. Java is polymorphic, which means it a parent class reference can be used to refer to a child class object.
Java applications support functions written in other languages such as C and C++, known as native methods.
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