How many times is the function wordScramble$()$ called in the given program? public class WordScramble $\backslash \{$ public static void wordScramble$($String rem, String scr$)\backslash \{$ if $($rem$.$isEmpty$())\backslash \{$ System.out.println$($scr $\backslash (+\backslash )$ rem$)$; $\backslash \}$ Sy: else $\backslash \{$ for $($int $\backslash ($ i$=0$ ; i$<\backslash )$ rem.length $()\backslash ($ ;$++$i$)\backslash \{\backslash )\backslash \}\backslash \}$ public static void main$($String args$[)\backslash \{$ wordScramble$("$ab$","\text{'})$; $\backslash \}2345$