Review the following Java program. What will be the output when this Java program is executed.

Java Program

public class JavaExample $\{$

public static void main$($String$[]$ args$)\{$

String str $=$ "Captain Kirk";

char ch;

int age $=35$;

double height $=1\mathrm{.}78$;

ch $=$ str$.$charAt$(0)$;

System.out.println$($ch$)$;

$\}$

$\}$