How to convert ASCII to int?

Question

I am getting an ASCII value and I want to convert it into an integer because I know it\'s an Integer ASCII value.

int a=53; 

This is an ASC

Answer 1

Do you mean a single character or a String?

char ch = 
int n = Character.forDigit(ch, 10);

or

int n = ch - '0';

Answer 2

Use Integer.parseInt() static method:

Oracle Docs Integer.parseInt()