StringWriter append(CharSequence) method in Java with Examples

Last Updated : 11 Jul, 2025
The append(CharSequence) method of StringWriter Class in Java is used to write the specified CharSequence on the writer. This CharSequence value is taken as a parameter. Syntax: 
public StringWriter append(CharSequence charSequence)
Parameters: This method accepts a mandatory parameter charSequence which is the CharSequence to be written in the writer. Return Value: This method returns this StringWriter instance. Below programs illustrates the working of append(CharSequence) method: Program 1: Java 
// Java program to demonstrate
// StringWriter append(CharSequence) method

import java.io.*;

class GFG {
    public static void main(String[] args)
    {

        try {

            // Create a StringWriter instance
            StringWriter writer
                = new StringWriter();

            // Write the CharSequence 'GeeksForGeeks'
            // to this writer using append() method
            // This will put the charSequence in the writer
            // till it is printed on the console
            writer.append("GeeksForGeeks");

            System.out.println(writer.toString());
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
Output: 
GeeksForGeeks
Program 2: Java 
// Java program to demonstrate
// StringWriter append(CharSequence) method

import java.io.*;

class GFG {
    public static void main(String[] args)
    {

        try {

            // Create a StringWriter instance
            StringWriter writer
                = new StringWriter();

            // Write the CharSequence 'GFG'
            // to this writer using append() method
            // This will put the charSequence in the writer
            // till it is printed on the console
            writer.append("GFG");

            writer.flush();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
Output:
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