double decimal $=5\mathrm{.}5$;

char letter $=\text{'}$A$\text{'}$;

boolean flag $=$ true;

String message $=$ "Hello, Java";

System.out.println$("$Integer: $"+$ num$)$;

System.out.println$("$Double: $"+$ decimal$)$;

System.out.println$("$Character: $"+$ letter$)$;

System.out.println$("$Boolean: $"+$ flag$)$;

System.out.println$("$String: $"+$ message$)$;

$\}$

$\}$