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Have a nice day everyone!
I’m a new learner to C++ and I want to convert char to int C++, but I really don’t know what I should do. Can you help me, guys? Please give me some advice. Thanks!
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Do you want to convert
char
toint
in C++? Okay, I will help you. Let’s follow my suggestions below. In the C++, there are a lot of methods to convert achar
type variable into anint
, but I find the most effective ways are stringstream, stoi() and typecasting.1, Stringstream method
A single character represented as a stringstream object can be converted to an integer or any other numeric value. For example: I run following program:
Then I receive this output:
2, stoi() method
Below is the program I use stoi() method to convert
char
toint
:Output:
3, Typecasting method
Assume that there is a character contains a digit, such as ‘X,’ and I want to convert it to an integer that only has the value X, not the ascii value. If char includes the value ‘6,’ the converted int value should also be 6. Let’s look at how I can accomplish this.
The output I get: