What does the following code snippet display?

char ch$1=\text{'}\backslash$u$0000\text{'}$;

char ch$2=\text{'}\backslash$uffff$\text{'}$;

for $($int i $=0$; i $<1000$; i$++)$

$\{$

if $($i $\%50==0)$

$\{$

System.out.println$()$;

$\}$

System.out.print$(($char$)($ch$1+$ Math.random$()*($ch$2-$ ch$1+1)))$;

$\}$

Question $20$ options:

It displays random Unicode characters.

It displays random ASCII characters.

Nothing because it has compilation error.

It displays the hexadecimal characters between $\text{'}0\text{'}$ and $\text{'}$F$.\text{'}$