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:

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// 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());
    }
}

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Output:


Size of char_array1 : 5





Program 2: 











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// 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()); 


    } 


} 



















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Output:


Size of char_array1 : 6





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



          
          
          
          

            

    

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