Java.io.StringWriter.append() Method

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Description

The java.io.StringWriter.append() method appends the specified character sequence to this writer.

Declaration

Following is the declaration for java.io.StringWriter.append() method.

public StringWriter append(CharSequence csq)

Parameters

csq − The character sequence to append. If csq is null, then the four characters "null" are appended to this writer.

Return Value

This method returns this writer.

Exception

NA

Example

The following example shows the usage of java.io.StringWriter.append() method.

package com.tutorialspoint;

import java.io.*;

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

   
      // create a new writer
      StringWriter sw = new StringWriter();

      // create two new sequences
      CharSequence sq1 = "Hello";
      CharSequence sq2 = " World";

      // append sequence
      sw.append(sq1);

      // print result     
      System.out.println("" + sw.toString());

      // append second sequence
      sw.append(sq2);

      // print result again
      System.out.println("" + sw.toString());

   }
}

Let us compile and run the above program, this will produce the following result −

Hello
Hello World