• 2022-06-09
    String a = “ABCD”;  String b = a.toLowerCase();  b.replace(‘a’, ‘d’);  b.replace(‘b’, ‘c’);  System.out.println(b);   What is the result? ()
    A:  abcd
    B:  ABCD
    C:  dccd
    D:  dcba
    E:  Compilation fails.
    F:  An exception is thrown at runtime.