CharArrayWriter toCharArray() method in Java with examples

The toCharArray() method of the CharArrayWriter class in Java returns a copy of the input data.

Syntax:

public char[] toCharArray()

Parameters: This method does not accept any parameter.

Return Value: This method returns a copy of the input data.

Below program illustrate the above method:



Program 1:

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// Java program to illustrate
// the toCharArray() method
  
import java.io.*;
  
public class GFG {
    public static void main(String[] args)
        throws IOException
    {
  
        // Initializing String Witer
        CharArrayWriter geek_writer1
            = new CharArrayWriter();
  
        char[] Sw = { 'G', 'E', 'E', 'K', 'S' };
  
        for (char c : Sw) {
  
            // Use of append(char Sw) :
            geek_writer1.append(c);
        }
  
        // Use of toCharArray() :
        char[] toChar1 = geek_writer1.toCharArray();
  
        for (char c1 : toChar1) {
            System.out.println("toCharArray : " + c1);
        }
    }
}

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Output:

toCharArray : G
toCharArray : E
toCharArray : E
toCharArray : K
toCharArray : S

Program 2:

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// Java program to illustrate
// the toCharArray() method
  
import java.io.*;
  
public class GFG {
    public static void main(String[] args)
        throws IOException
    {
  
        // Initializing String Witer
        CharArrayWriter geek_writer1
            = new CharArrayWriter();
  
        char[] Sw = { 'G', 'O', 'P', 'A',
                      'L', 'D', 'A', 'V', 'E' };
  
        for (char c : Sw) {
            // Use of append(char Sw) :
            geek_writer1.append(c);
        }
  
        // Use of toCharArray() :
        char[] toChar1 = geek_writer1.toCharArray();
  
        for (char c1 : toChar1) {
            System.out.println("toCharArray : " + c1);
        }
    }
}

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Output:

toCharArray : G
toCharArray : O
toCharArray : P
toCharArray : A
toCharArray : L
toCharArray : D
toCharArray : A
toCharArray : V
toCharArray : E

Reference: https://docs.oracle.com/javase/10/docs/api/java/io/CharArrayWriter.html#toCharArray()

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