What is printed on each line?

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

$\}$

scannerTest$()$;

public static void scannerTest$()\{$

try $\{$

Scanner scanner $=$ new Scanner$($new File$("$input$.$txt$"))$;

scanner.next$()$;

System.out.println$($scanner$.$next$())$; $//[$line$1]$

System.out.println$($scanner$.$next$())$; $//[$line$2]$

scanner. next$()$; scanner. nextline$()$

System.out.println$($scanner$.$next$())$; $//[$line$3]$

$\}$catch$($Exception ex$)\{$

$\}$

$\}$

System.out.println$("$Exception$!")$;

Contents of input.txt

Hello students

CS $1$ is pretty cool, difficult, but cool.

$100\%!$

$[$line$1]$

$[$line$2]$

$[$line$3]$