JAVA

char to int

int n = Character.getNumericValue(char);

java convert char to int

char something = '1';
int value = Integer.parseInt(something + "");
System.out.println(value);  // prints 1

char to int java

int a = ch -'0';

char to int

char a = 'a';
int ia = (int)a; 
/* note that the int cast is not necessary -- int ia = a would suffice */