What will be the output of the following Java program $-$ if you run as Java application?

public class CharArrayInput

$\{$

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

$\{$

String obj $=$ "abcdef";

int length $=$ obj.length$()$;

char c$[]=$ new char$[$length$]$;

obj.getChars$(0,$length,c$,0)$;

CharArrayReader input$1=$ new CharArrayReader$($c$)$;

CharArrayReader input$2=$ new CharArrayReader$($c$,0,3)$;

int i;

try

$\{$

while $(($i $=$ input$1.$read$())!=-1)$

$\{$

System.out.print$(($char$)$i$)$;

$\}$

$\}$

catch $($IOException e$)$

$\{$

e$.$printStackTrace$()$;

$\}$

$\}$

$\}$

Select one:

a$.$ abcdef

b$.$ abcde

c$.$ It prints nothing

d$.$ abcd