24 Introduction to Virtual Machine and API Programming
24.1 INTRODUCTION
The programming API is an API that let users to write scripts and programs to manipulate virtual machines. It is a high-level interface which is easy to use and practical for both script developers and application programmers.
The Java platform has two main parts, the Java virtual machine and the Java API, as shown in Figure 24.1.
1. Java virtual machineThe Java virtual machine is a 'soft' computer that can be implemented in software or hardware. It is an abstract machine designed to be implemented on top of existing processors. The porting interface and adapters enable it to be easily ported to new operating system without being completely rewritten.
2. Java API ...
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