jvm - what is difference between Java Method And Native Method?

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While studying
Java , I stuck with concept of java Method and Native Method.Both have some Difference.I
don't understand clearly what they meant?.
Please help me,Thank
you.

Answer

A Java method is generically a code block
with a name that you can write using plain
java.

public void
            method() {
 System.out.println("I'm a java
            method!");
}

A
native method is a method that is linked to a native
library. Native libraries are linked to a java program through href="http://en.wikipedia.org/wiki/Java_Native_Interface" rel="nofollow">JNI (Java
Native Interface) or href="http://en.wikipedia.org/wiki/Java_Native_Access" rel="nofollow">JNA (Java
Native Access) and a native method looks like
this:

public native void
            method();

It's
just a declaration, because the method implementation is done in the native
library.