Which of the following statements are correct?

$1$:

try $($PrintWriter output $=$ new

PrintWriter $("$output$.$txt$")$ ;) l

output. printin $("$Welcome to Java"$)$ ;

II:

try $($PrintWriter output $=$ new

PrintWriter $("$output$.$ txt$")$ ;

Scanner input $=$ new Scanner $($System$.$ in$)$