What is y displayed in the following code?public class Test$1\{$ public static void main$($String$[]$ args$)\{$ int x $=1$; int y $=$ x $=$ x $+1$; System.out.println$("$y is $"+$ y$)$; $\}\}$y is $0.$y is $1$ because x is assigned to y first.The program has a compile error since x is redeclared in the statement int y $=$ x $=$ x $+1.$y is $2$ because x $+1$ is assigned to x and then x is assigned to y$.$