convert digit to char code example

Example 1: convert char to single digit

char c = '1';
int i = c - '0'; // i is now equal to 1, not '1'

Example 2: number to char java

char b = Integer.toString(a);//7-->"7"

char b = (char) b;//65-->"A"

Example 3: convert from integer to character java

char a = (char) 65;