Java local interface (JNI)

The JVM shields the Java developers from the underlying implementation details, leaving the underlying operations out of the way, but if you want to swap with the underlying, there are ways to pass JNI. The main motivations for interacting with the underlying native code are:

1.

From a performance standpoint, because the Java language is running at a speed, most of the time is slower than the native C and C + + languages on the underlying operating system

2.

Meet special needs because some Java platform Standard class libraries are not exposed

3.

Need to interact with programs developed in the C and C + + languages

Java local interface (JNI)