Method repOk()

Question

My question is is this work the same ?
Code1:
Public boolean repOk() {
Return validateId(id) && validateName(name) && validateDob(dob); }
Code2:
Public boolean repOk() {
If (!(validateId(id)) || !(validateName(name)) || !(validateDob(dob))) {
return false;
} else {
return true; }
*)Note that method validate check is id, name or dob valid.
I think it work the same but i'm not sure

Answer 1

First code returns true if everything is valid.

Second code returns false if one thing isn't valid.

Since you have only 3 booleans in there and you are not sure, you can check if it outputs the same thing on paper.

You can also check de Morgan's laws.

Answer 2

Adam Priesnitz so first code will return false if one thing is not valid, right? So code 1 and code 2 are the same right ?

Answer 3

Yes, they both return the same output.
In first code you check if everything is true and in the second code if something is false.

Answer 4

Adam Priesnitz many thanks