Binary search an array method in java

Problem:

Write a the typical and most known method that performs a binary search on the array.

Output:

Not applicable.

Solution:

public static int binarySearch(int[] a, int target) {
int min = 0;
int max = a.length - 1;
while (min <= max) {
int mid = (min + max) / 2;
if (a[mid] < target) {
min = mid + 1;
} else if (a[mid] > target) {
max = mid - 1;
} else {
return mid; // target found
}
}
return -(min + 1); // target not found
}