java.lang.Character.codePointCount(char[ ] a, int offset, int count) java.lang.Character.codePointBefore(CharSequence seq, int index) java.lang.Character.codePointCount(CharSequence seq, int beginIndex, int endIndex) java.lang.Character.codePointCount(char[ ] a, int offset, int count) package com.codingdict; import java.lang.*; public class CharacterDemo { public static void main(String[] args) { // create a char array c and assign values char[] c = new char[] { 'a', 'b', 'c', 'd', 'e' }; // create and assign value to offset, count int offset = 1, count = 3; // create an int res int res; // assign result of codePointCount on subarray of c to res res = Character.codePointCount(c, offset, count); String str = "No. of Unicode code points is " + res; // print res value System.out.println( str ); } } java.lang.Character.codePointBefore(CharSequence seq, int index) java.lang.Character.codePointCount(CharSequence seq, int beginIndex, int endIndex)