java.lang.Character.isSupplementaryCodePoint(int codePoint) java.lang.Character.isSpaceChar(int codePoint) java.lang.Character.isSurrogatePair(char high, char low) java.lang.Character.isSupplementaryCodePoint(int codePoint) package com.codingdict; import java.lang.*; public class CharacterDemo { public static void main(String[] args) { // create 2 int primitives cp1, cp2 int cp1, cp2; // assign values to cp1, cp2 cp1 = 0x10ffd; cp2 = 0x004ca; // create 2 boolean primitives b1, b2 boolean b1, b2; /** * check if cp1, cp2 are in supplementary character range * and assign results to b1, b2 */ b1 = Character.isSupplementaryCodePoint(cp1); b2 = Character.isSupplementaryCodePoint(cp2); String str1 = "cp1 represents a supplementary code point is " + b1; String str2 = "cp2 represents a supplementary code point is " + b2; // print b1, b2 values System.out.println( str1 ); System.out.println( str2 ); } } java.lang.Character.isSpaceChar(int codePoint) java.lang.Character.isSurrogatePair(char high, char low)