What is the error in this code???

Question

I have created a program on Morse code using switch case.
Upon entering multiple letters, it prints the Morse code of only the first one.
https://code.sololearn.com/c8Ih0bpblNmI/?ref=app
https://code.sololearn.com/c8Ih0bpblNmI/?ref=app

Answer 1

https://code.sololearn.com/c55X0WSTZPgZ/?ref=app

Answer 2

Thank you so much Sami Khan & ~swim~ for your answers.
The program worked!!😃😃

Answer 3

use .toLowerCase(); and check only lower letters

String s= n.nextLine().toLowerCase();
...
switch(s.charAt(g)) {
//case 'A':
case 'a':
System.out.print ("•- ");break;