Dr$.$ Cong Pu is at it again. This time he's written a new program and as usual is not quite what it will do$.$ Maybe you could lend him a hand and help him figure out what is going on in his program? public class Foo $\{$ public void foobar $($int$[]$ nums$)\{$ for $($int x $=0$ ; x $<$ nums.length; x$++)\{$ for $($int y $=$ x ; Y $<$ nums.length; y$++)$ nums$[$y xnums$[$y$]$; public void fooPrint $($int$[]$ nums, int i$)$ int half $($ nums.length $12$; if $($i$==$half$)\{$ System.out.print $($nums half$]")$; else $\{$ System.out.print $($nums $[$ nums.length $-[-1]+^$ prime prime prime $)$ fooPrint $($nums $,$ i $1)$; System.out.print $($nums $[$i$]+^$ prime prime $)$ ; public static void main $($String args$)\{$ intnums $2,6,2,9,-4$ ; Foo foo new Foo$()$ ; foo.foobar $($ nums $)$; foo.fooPrint $($nums $,)$; $\}\}$ a$.$ Calculate the values contained in the nums $[$array after the call to the method foobar $().$ Show all of your work. $(1$ point$)$ b$.$ What is the final result that is printed by this method $?(1$ point $)$