Multiple choice technology programming languages What will be output of this program? String str="TCS"; str.concat("Bangalore"); TCS Bangalore TCS Bangalore Syntax Error Reveal answer Fill a bubble to check yourself A Correct answer Explanation In Java, String objects are immutable. Calling str.concat("Bangalore") creates a new String object containing "TCSBangalore", but it does not modify the original reference str. Therefore, str remains "TCS".