The Java PlatformĪ platform is the hardware or software environment in which a program runs. Through the Java VM, the same application is capable of running on multiple platforms. This includes various tasks such as finding performance bottlenecks and recompiling (to native code) frequently used sections of code. Java SE HotSpot at a Glance, perform additional steps at runtime to give your application a performance boost. class files are capable of running on Microsoft Windows, the Solaris™ Operating System (Solaris OS), Linux, or Mac OS. The java launcher tool then runs your application with an instance of the Java Virtual Machine.Īn overview of the software development process.īecause the Java VM is available on many different operating systems, the same.

class file does not contain code that is native to your processor it instead contains bytecodes - the machine language of the Java Virtual Machine 1 (Java VM). Those source files are then compiled into. In the Java programming language, all source code is first written in plain text files ending with the.

The Java Language Environment, a white paper written by James Gosling and Henry McGilton. The Java programming language is a high-level language that can be characterized by all of the following buzzwords:Įach of the preceding buzzwords is explained in Java technology is both a programming language and a platform.

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