automation testing interview questions for experienced

Important Automation Testing Interview Questions & Answers 1. StringBuffer,String and StringBuilder how they are different from each other in terms of mutability? String Immutable StringBuffer Mutable StringBuilder Mutable 2. Guess the output of the program below? package automation_batch42; public class StringBuffer_program { public static void main(String[] args) { StringBuffer s1=new StringBuffer(“Automation”); s1.append(” Testing”); System.out.println(s1); } […]