java.lang.StringBuilder appendCodePoint()


On this document we will be showing a java example on how to use the appendCodePoint() method of StringBuilder Class. Basically appendCodePoint method Appends the string representation of the codePoint argument to this sequence. The argument is appended to the contents of this sequence. The length of this sequence increases by Character.charCount(codePoint).

Method Syntax

public StringBuilder appendCodePoint(int codePoint)

Method Argument

Data Type Parameter Description
int codePoint a Unicode code point

Method Returns

The appendCodePoint() method returns a reference to this object.


Requires Java 1.5 and up

Java StringBuilder appendCodePoint() Example

Below is a java code demonstrates the use of appendCodePoint() method of StringBuilder class. The example presented might be simple however it shows the behavior of the appendCodePoint() method.


import java.util.Scanner;

 * A java example source code to demonstrate
 * the use of appendCodePoint() method of StringBuilder class

public class StringBuilderAppendCodePointExample {

	public static void main(String[] args) {	
		// initialize our StringBuilder
		StringBuilder sb = new StringBuilder("test string : ");
		// ask for user input
		System.out.print("Enter a code point:");
		Scanner s = new Scanner(;
		String input = s.nextLine();
		// convert the string input to integer
		Integer codepoint = Integer.parseInt(input);
		// append the codepoint to our StringBuilder
		// print the contents of our StringBuilder

Sample Output

Below is the sample output when you run the above example.

StringBuilder appendCodePoint() example output