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Java Programming by Hari Mohan Pandey

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2 Marching Towards Java and Java Bytecodes

2.1 INTRODUCTION: WHAT IS JAVA?

Java is an easy to learn, object-oriented programming (OOP) language developed by Sun Microsystems. There are different types of programming languages, but Java is unique among them. For example, a Visual Basic program executes correctly on Microsoft Windows, but it does not run on Apple Mac OS. With Java, a developer can write an application and run that on different operating systems (including Windows, Mac OS, Unix and Mainframes) without any modification in the code.

Typically, when developing an application in a programming language, the source code is passed through a compiler (another application) that transforms the code into a set of native instructions (for ...

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