Example | java.lang package | Character class

java.lang.Character.charCount()

Signature:

public static int charCount(int codePoint)

Description:

Determines the number of char values needed to represent the specified character (Unicode code point). If the specified character is equal to or greater than 0x10000, then the method returns 2. Otherwise, the method returns 1.

Parameter:

codePoint - the character (Unicode code point) to be tested.

Since:

JDK1.5

Example:

This method has following 3 cases.

If codePoint is less than 0X10000 or 65536. It returns 1.

If codePoint is equal to 0X10000 or 65536. It returns 2.

If codePoint is greater than 0X10000 or 65536. It returns 2.

package com.javamultiplex.java.lang.character; /** * @author Rohit Agarwal * @category java.lang/Character/charCount() * @version 1.0 */ public class CharCount { public static void main(String[] args) { // Case 1: codePoint is less than 0X10000 or 65536. It returns 1. int i = Character.charCount(12); System.out.println(i); // Case 2: codePoint is equal to 0X10000 or 65536. It returns 2. int j = Character.charCount(65536); System.out.println(j); // Case 3: codePoint is greater than 0X10000 or 65536. It returns 2. int k = Character.charCount(65590); System.out.println(k); } }

References:

https://docs.oracle.com/javase/8/docs/api/java/lang/Character.html#charCount-int-

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