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StringWriter write(char[], int, int) method in Java with Examples

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  • Last Updated : 29 Jan, 2019

The write(char[], int, int) method of StringWriter Class in Java is used to write a specified portion of the specified character array on the writer. This character array is taken as a parameter. The starting index and length of characters to be written are also taken as parameters.

Syntax:

public void write(char[] charArray, int startingIndex, int lengthOfCharArray)

Parameters: This method accepts three mandatory parameters:

  • charArray which is the character array to be written in the writer.
  • startingIndex which is the starting index from which the portion of character is to taken.
  • lengthOfCharArray which is the length of characters to be written on the writer.

Return Value: This method does not returns any value.

Below programs illustrates the working of write(char[], int, int) method:

Program 1:




// Java program to demonstrate
// StringWriter write(char[], int, int) method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a StringWriter instance
            StringWriter writer
                = new StringWriter();
  
            // Get the character array
            // to be written in the writer
            char[] charArray = { 65, 66, 67 };
  
            // Get the starting index
            int startingIndex = 0;
  
            // Get the length of char
            int lengthOfCharArray = 1;
  
            // Write the portion of the charArray
            // to this writer using write() method
            // This will put the charArray in the writer
            // till it is printed on the console
            writer.write(charArray,
                         startingIndex,
                         lengthOfCharArray);
  
            System.out.println(writer.toString());
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

Output:

A

Program 2:




// Java program to demonstrate
// StringWriter write(char[], int, int) method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a StringWriter instance
            StringWriter writer
                = new StringWriter();
  
            // Get the character array
            // to be written in the writer
            char[] charArray = { 97, 98, 99 };
  
            // Get the starting index
            int startingIndex = 2;
  
            // Get the length of char
            int lengthOfCharArray = 1;
  
            // Write the portion of the charArray
            // to this writer using write() method
            // This will put the charArray in the writer
            // till it is printed on the console
            writer.write(charArray,
                         startingIndex,
                         lengthOfCharArray);
  
            System.out.println(writer.toString());
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

Output:

c

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