What is the difference between default values and null in programming?
An example of an AI chatbot conversation about default values versus null in programming.
What is the difference between default values and null in programming?
Default values are predefined values assigned to variables, while null represents the absence of a value.
Can you give me an example of default values in a function?
Sure! In Python, you can define a function like this: def greet(name='Guest'): where 'Guest' is the default value.
And what about null? How is it used in programming?
Null is used to indicate that a variable has no value. For example, in JavaScript, you can set a variable like this: let x = null;.
Are there any programming languages that treat null differently?
Yes, languages like SQL and JavaScript have unique ways of handling null, which can lead to different behaviors.
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