Home : Quiz vragen : januari 2016 Dag 16
TechLib Quiz
Quiz voor 16 januari 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% |