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

Here Is An Example Of How You Can Change A Character To UpperCase.

char ch;

    System.out.println("Input Characters:");

    ch = (char) System.in.read();
    System.out.println("Character Is: " + ch);

    sc.nextLine();

    System.out.println("Upper Case: " + Character.toUpperCase(ch));

Answer 2

System.out.println(Character.toUpperCase(c));

Answer 3

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.

Answer 4

Since, java is pass by value, you need to use the return value. Either print Character.toUpperCase(c) directly or set it to some var.