What is the output of this program? class overload { int x; int y; void add(int a) { x = a + 1; } void add(int a , int b) { x = a + 2; } } class Overload_methods { public static void main(String args[]) { overload obj = new overload(); int a = 0; obj.add(6, 7); System.out.println(obj.x); } }

• A. 6
• B. 7
• C. 8
• D. 9