What is the difference between constants and variables in programming?
An example of an AI chatbot conversation about constants and variables in programming.
What is the difference between constants and variables in programming?
In programming, a variable is a storage location that can hold different values over time, while a constant is a fixed value that cannot be changed once it's set.
Can you give me an example of each?
Sure! For a variable, you might have let age = 25; which can change. For a constant, you could have const PI = 3.14; which remains the same.
Why would I use a constant instead of a variable?
Using constants helps prevent accidental changes to values that should remain fixed, improving code reliability and readability.
Are there any programming languages that treat constants and variables differently?
Yes, some languages like Java have strict rules for constants, while others like JavaScript allow more flexibility. It varies by language.
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