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Final local variables in C#
To set final for a local variable, use the read-only keyword in C#, since the implementation of the final keyword is not possible.
The readonly would allow the variables to be assigned a value only once. A field marked "read-only", can only be set once during the construction of an object. It cannot be changed.
Let us see an example. Below, we have set the empCount field as read-only, which once assigned cannot be changed.
Example
class Department {
readonly int empCount;
Employee(int empCount) {
this. empCount = empCount;
}
void ChangeCount() {
//empCount = 150; // Compile error
}
}
Updated on: 21-Jun-2020
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