java.lang.Character.digit(char ch, int radix) java.lang.Character.codePointBefore(char[ ] a, int index) java.lang.Character.digit(int codePoint, int radix) java.lang.Character.digit(char ch, int radix) package com.codingdict; import java.lang.*; public class CharacterDemo { public static void main(String[] args) { // create 2 character primitives ch1, ch2 char ch1, ch2; // assign values to ch1, ch2 ch1 = '9'; ch2 = '5'; // create 2 int primitives i1, i2 int i1, i2; // assign numeric value of ch1, ch2 to i1, i2 using radix i1 = Character.digit(ch1, 2); i2 = Character.digit(ch2, 10); String str1 = "Numeric value of " + ch1 + " in radix 2 is " + i1; String str2 = "Numeric value of " + ch2 + " in radix 10 is " + i2; // print i1, i2 values System.out.println( str1 ); System.out.println( str2 ); } } java.lang.Character.codePointBefore(char[ ] a, int index) java.lang.Character.digit(int codePoint, int radix)