✪ Choose the correct option.
What will be the output of the program?
String s = "ABC";
s.toLowerCase();
s += "def";
System.out.println(s);
What will be the output of the program?
String s = "A

✪ Choose the correct option.
What will be the output of the program?
String s = "ABC";
s.toLowerCase();
s += "def";
System.out.println(s);