Método CharArrayWriter toString() en Java con ejemplos

El método toString() de la clase CharArrayWriter en Java convierte los datos de entrada dados en una string.

Sintaxis :  

public String[] toString()

Parámetros: Este método no acepta ningún parámetro.

Valor devuelto: este método devuelve una copia de los datos de entrada. 

El siguiente programa ilustra el método anterior: 

Programa 1:  

// Java program to illustrate the
// above mentioned method
 
import java.io.*;
 
public class GFG {
    public static void main(String[] args)
        throws IOException
    {
 
        // Initializing String Witer
        CharArrayWriter geek_writer1
            = new CharArrayWriter();
 
        CharSequence char_sq1 = "geeks for + ";
        CharSequence char_sq2 = "geeks";
 
        // Use of append(CharSequence char_sq)
        geek_writer1.append(char_sq1);
        geek_writer1.append(char_sq2);
 
        // Convert it into string and print
        System.out.println("String : "
                           + geek_writer1.toString());
    }
}

String : geeks for + geeks

Programa 2: 

// Java program to illustrate the
// above mentioned method
 
import java.io.*;
 
public class GFG {
    public static void main(String[] args)
        throws IOException
    {
 
        // Initializing String Witer
        CharArrayWriter geek_writer1
            = new CharArrayWriter();
 
        CharSequence char_sq1 = "Gopal ";
        CharSequence char_sq2 = "Dave";
 
        // Use of append(CharSequence char_sq)
        geek_writer1.append(char_sq1);
        geek_writer1.append(char_sq2);
 
        // Convert it into string and print
        System.out.println("String : "
                           + geek_writer1.toString());
    }
}

String : Gopal Dave

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