Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
Until today, I thought that for example:
i += j;
Was just a shortcut for:
i = i + j;
But if we try this:
int i = 5;
long j = 8;
Then i = i + j;
will not compile but i += j;
will compile fine.
Does it mean that in fact i += j;
is a shortcut for something like this
i = (type of i) (i + j)
?