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);  }  } }