How to convert input char to uppercase automatically in Java

Question

I am using a Scanner class to get the input and want to convert the input to uppercase letter when display it. This is my code

Scanner input = new Scanner(Sy         


        

Answer 1

The toUpperCase method doesn't change the value of the char (it can't); it returns the uppercased char. Change

Character.toUpperCase(c);

to

c = Character.toUpperCase(c);

UPDATE

The updated question now indicates that the uppercased characters are to be printed as they're typed. Java cannot do that, because Java doesn't control how the O/S echoes user input to the screen. My solution above would only produce additional output, even if it is uppercased.