Given the following code, which form of the "add" method can generate $3\mathrm{.}24\mathrm{.}1$ as output?

class Sample $\{$ int add$($int x$,$ int y$)\{$ return $($x $+$ y$)$; $\}//$form$1$ float add$($float x$,$ float y$)\{$ return $($x $+$ y$)$; $\}//$form$2$ double add$($double x$,$ double y$)\{$ return $($x $+$ y$)$; $\}//$form$3$ char add$($char x$,$ char y$)\{$ return $($char$)(($int$)$ x $+($int$)$ y$)$; $\}//$form$4$ String add$($String x$,$ String y$)\{$ return $($x $+$ y$)$; $\}//$form$5..........\}$

Group of answer choices

form $4$

form $3$

form $1$

form $5$

form $2$