Write Once And Run Anywhere Nature In Java

[D_chapple]

Hello, I want to know the details about the Nature of java as a Write Once And Run Anywhere. I have recently started to learn java programming, but not able to know what exactly this nature is? So, if anyone is having details about it, then please provide that to me. I wanted to know the Write Once And Run Anywhere Nature In Java.

[Katty]

As while developing java sun want to make it as a platform independent language, the concept of write once and run anywhere is developed. That means if you write any java program then it simply run on any machine if it is having java virtual machine. That means if you are using any application which is built with the help of java then it is not necessary to change it with different operating system. You can use a single application on all of the operating system.

[kelfro]

Hello, if you are making use of the java then you are having major benefit of it as it is the language which is developed for the cross-platform. It means that if you run the bytecode of it on any machine which is having installed the Java Runtime Environment. So, it will not needed different application setup on any machine that has the Java runtime environment. But, this type of development also needs to have the different levels and all of it depends on the level of use.

[Praetor]

Hello, this write once and run anywhere nature of java is available due to the Bytecode facility in java programming language. It provide the facility to the developer to get the solution from which one will able to use the object code and use single code on each type of operating system. So, Bytecode is the technique from which java will able to get the facility of Write once and run anywhere nature in java.

[Zecho]

Hello, If you make use of any of book on java then at the start of it you will able to know all of the details on the Write once and run anywhere nature in java:

• Concurrent Programming in Java: Design Principles and Pattern 2nd Edition
• Designing Enterprise Applications with the J2EE Platform, Second Edition 2nd Edition
• Designing Web Services with the J2EE 1.4 Platform: JAX-RPC, SOAP, and XML Technologies
• Effective Java, Second Edition 2nd Edition

[Reegan]

Hello, this facility of Write once and run anywhere is provided by the Bytecode facility in java. Bytecode provides the following stream:

03 3b 84 00 01 1a 05 68 3b a7 ff f9

Bytecode is having following type of Disassembly:

iconst_0
istore_0
iinc 0, 1
iload_0
iconst_2
imul
istore_0
goto -7