What is the output of this program? import java.util.*; class Output { public static void main(String args[]) { ArrayList obj = new ArrayList(); obj.add("A"); obj.add(0, "B"); System.out.println(obj.size()); } }

• A. 0
• B. 1
• C. 2
• D. What is the output of this program? import java.util.*; class Output { public static void main(String args[]) { ArrayList obj = new ArrayList(); obj.add("A"); obj.add(0, "B"); System.out.println(obj.size()); } }