CharArrayWriter size() method in Java with examples

The size() method of the CharArrayWriter class in Java is used to get the current size of the buffer.

Syntax:

public int size()

Parameters: This method does not accept any parameter.

Return Value: This method returns an integer value which signifies the current size of the buffer.

Below program illustrate the above method:

Program 1:

// Java program to illustrate 
// the size() method 
  
import java.io.*; 
  
public class GFG { 
    public static void main(String[] args) 
        throws IOException 
    { 
  
        // Initailizing the character array 
        char[] geek = { 'G', 'E', 'E', 'K', 'S' }; 
  
        // Initailizing the CharArrayWriter 
        CharArrayWriter char_array1 
            = new CharArrayWriter(); 
  
        for (int c = 72; c < 77; c++) { 
            // Use of write(int char) 
            // Writer int value to the Writer 
            char_array1.write(c); 
        } 
  
        // Use of size() method 
        System.out.println("\nSize of char_array1 : "
                           + char_array1.size()); 
    } 
} 

Output:

Size of char_array1 : 5

Program 2:

// Java program to illustrate 
// the size() method 
  
import java.io.*; 
  
public class GFG { 
    public static void main(String[] args) 
        throws IOException 
    { 
  
        // Initailizing the character array 
        char[] geek 
            = { 'G', 'O', 'P', 'A', 'L', 'L' }; 
  
        // Initailizing the CharArrayWriter 
        CharArrayWriter char_array1 
            = new CharArrayWriter(); 
  
        for (int c = 72; c < 78; c++) { 
            // Use of write(int char) 
            // Writer int value to the Writer 
            char_array1.write(c); 
        } 
  
        // Use of size() method 
        System.out.println("\nSize of char_array1 : "
                           + char_array1.size()); 
    } 
} 

Output:

Size of char_array1 : 6

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

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