Analyze the following code segment:

$```$

class Test $\{$

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

try $\{$

char ch $=$ "abc".charAt$(3)$; $//$ Cause a StringIndexOutOfBoundsException

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

System.out.println$("$RuntimeException$")$;

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

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

$\}$

$\}$

$\}$

$```$

What's the output?

RuntimeException

Exception

Exception

Compile error.

RuntimeException