Revere an array till nth number only in java

Revere an array till nth number only in java

Reverse an array till the nth number for eg:
int[] num = {1,2,3,4,5,6,7,8,9};
int n = 5;
reverse num array till n and output should be :
int result = {5,4,3,2,1,6,7,8,9};
can any body help ?