A platform is the hardware or software environment in which a program runs.We already know some of the most popular platforms like Microsoft Windows , Linux , Solaris OS,and Mac OS. Most patform differs from most other platforms in that it's a software-only platforms that runs on top of other hardware-based
platforms.
The Java platform has two Java components :
# The Virtual Machine
#The Java Applications Programming Interface(API)
The API is a large collection of ready-made software components that provide many useful capabilities.It is grouped into libraries of related classes and interfaces;these libraries are known as packages.
The API and JVM insulates the program from the underlying hardware.
As a platform independent environment, the java platform can be a bit slower than native code.
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