What is the difference between type checking and type inference?
An example of an AI chatbot conversation about type checking and type inference in programming languages.
What is the difference between type checking and type inference?
Type checking is the process of verifying the type of a variable at compile time or runtime, while type inference is the ability of the compiler to deduce the type of a variable automatically.
Can you give me an example of type checking?
Sure! In statically typed languages like Java, if you declare a variable as an integer, the compiler checks that you only assign integer values to it.
And what about type inference?
In languages like TypeScript, you can declare a variable without specifying its type, and the compiler infers the type based on the assigned value.
Which one is better to use?
It depends on the context. Type checking provides more safety, while type inference can lead to cleaner and more concise code.
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