After the following java statements are executed in java, which of the choices will be true?

int x $=21,$ y $=31$;

y $=$ x;

A$.$ Both variables x and y will contain the same value $31$ in the memory.

B$.$ y will contain $21$ and x will contain $31$ in the memory.

C$.$ y will contain $0$ and x will contain $31$ in the memory.

D$.$ Both variables x and y will contain the same value $21$ in the memory.

E$.$ x will contain $0$ and y will contain $21$ in the memory.