What Will Be Displayed as a Result of Executing the Following

What will be displayed as a result of executing the following code? int x = 6;
String msg = "I am enjoying this class.";
String msg1 = msg.toUpperCase() ;
String msg2 = msg.toLowerCase() ;
Char ltr = msg.charAt(x) ;
Int strSize = msg.length() ;
System.out.println(msg) ;
System.out.println(msg1) ;
System.out.println(msg2) ;
System.out.println("Character at index x = " + ltr) ;
System.out.println("msg has " + strSize + "characters.") ;

A) I am enjoying this class.
I AM ENJOYING THIS CLASS.
I am enjoying this class.
Character at index x = e
Msg has 24 characters.
B) I am enjoying this class.
I AM ENJOYING THIS CLASS.
I am enjoying this class.
Character at index x = e
Msg has 25 characters.
C) I am enjoying this class.
I AM ENJOYING THIS CLASS.
I am enjoying this class.
Character at index x = n
Msg has 24 characters.
D) I am enjoying this class.
I AM ENJOYING THIS CLASS.
I am enjoying this class.
Character at index x = n
Msg has 25characters.