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StringBuilder appendCodePoint() method in Java with Examples

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  • Last Updated : 13 Dec, 2021
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The appendCodePoint(int codePoint) method of StringBuilder class is the inbuilt method used to append the string representation of the codePoint argument to this sequence. 
The argument is appended to this StringBuilder content and length of the object is increased by Character.charCount(codePoint). The effect is the same as if the int value in parameter is converted to a char array and the character in that array were then appended to this character sequence. 
Syntax: 

public StringBuilder appendCodePoint(int codePoint)

Parameters: This method accepts only one parameter codePoint which is int type value refers to a Unicode code point. 
Return Value: This method returns reference to this object.
Below programs illustrate the java.lang.StringBuilder.appendCodePoint() method:
Example 1:  

Java




// Java program to illustrate the
// appendCodePoint(int codePoint)
 
import java.lang.*;
 
public class Geeks {
    public static void main(String[] args)
    {
 
        // create StringBuilder object
        StringBuilder
            str
            = new StringBuilder("GeeksforGeeks");
        System.out.println("StringBuilder = "
                           + str);
 
        // Append 'C'(67) to the String
        str.appendCodePoint(67);
 
        // Print the modified String
        System.out.println("Modified StringBuilder = "
                           + str);
    }
}


Output: 

StringBuilder = GeeksforGeeks
Modified StringBuilder = GeeksforGeeksC

 

Example 2: 

Java




// Java program to illustrate the
// appendCodePoint(int codePoint)
 
import java.lang.*;
 
public class Geeks {
    public static void main(String[] args)
    {
 
        // create StringBuilder object
        StringBuilder
            str
            = new StringBuilder("GeeksforGeeks");
        System.out.println("StringBuilder = "
                           + str);
 
        // Append ', '(44) to the String
        str.appendCodePoint(44);
 
        // Print the modified String
        System.out.println("Modified StringBuilder = "
                           + str);
    }
}


Output: 

StringBuilder = GeeksforGeeks
Modified StringBuilder = GeeksforGeeks,

 

References: https://docs.oracle.com/javase/7/docs/api/java/lang/StringBuilder.html#appendCodePoint(int)
 


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