Accueil : Quiz Questions : Janvier 2016 : Jour 16
Quiz TechLib
Quiz de janvier 16, 2016
What is the difference between an undefined variable and a null variable?
A |
An undefined variable is equal to 0 while a null variable is equal to 1. 0% |
B |
An undefined variable has not been initialized while a null variable has. 0% |
C |
An undefined variable has a value of TRUE while a null variable is FALSE. 0% |
D |
An undefined variable is an integer while a null variable is a string. 0% |