Reverse Array to given specific position in java

public class ReverseTest {

public static void main(String[] args) {

int a[] = {1, 2, 3, 4, 5, 6}; int pos =3; reverseArr(a, pos);

}
private static void reverseArr(int[] a, int pos) {

if(pos >a.length) {

System.out.println(” Invalid value of pos”);

}

for (int i = 0; i < pos/2; i++) {

int temp =a[i]; a[i] = a[pos-i-1]; a[pos-i-1] =temp;

}

System.out.println(“======== after reverse ====”); for (int i = 0; i < a.length; ++i) {         System.out.print(a[i]+” “); } } }