Java.io.StringWriter.append() Method

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