type cast char to int code example
Example 1: java get an int from a char
char charValue = '2';
int intValue = Character.getNumericValue(charValue); // 2
Example 2: char to int
int n = Character.getNumericValue(char);
char charValue = '2';
int intValue = Character.getNumericValue(charValue); // 2
int n = Character.getNumericValue(char);