Select all statements that regarding method overloads

They must have the same method name

If we have defined foo$($int a$,$ int b$),$ it is okay to define an overload foo$($int $c,$ int d$),$ as long as the parameter names are changed

They are not allowed in Java

If we have defined foo$($int a$),$ we may not have foo$($double al because it has the same number of parameters