java.lang.Character.codePointBefore(char[ ] a, int index, int start) java.lang.Character.codePointAt(CharSequence seq, int index) java.lang.Character.codePointBefore(CharSequence seq, int index) java.lang.Character.codePointBefore(char[ ] a, int index, int start) package com.codingdict; import java.lang.*; public class CharacterDemo { public static void main(String[] args) { // create a char array c char[] c = new char[] { 'A', 'b', 'C', 'd'}; // create and assign value to index, start int index = 3, start = 1; // create an int res int res; // assign result of codePointBefore on c at index to res using start res = Character.codePointBefore(c, index, start); String str = "Unicode code point is " + res; // print res value System.out.println( str ); } } java.lang.Character.codePointAt(CharSequence seq, int index) java.lang.Character.codePointBefore(CharSequence seq, int index)