Java.io.PrintWriter.append() Method


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Description

The java.io.PrintWriter.append() method appends a subsequence of the specified character sequence to this writer.

Declaration

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

public PrintWriter append(CharSequence csq,int start,int end)

Parameters

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

  • start − The index of the first character in the subsequence.

  • end − The index of the character following the last character in the subsequence.

Return Value

This method returns this writer.

Exception

NA

Example

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

package com.tutorialspoint;

import java.io.*;

public class PrintWriterDemo {

   public static void main(String[] args) {
      CharSequence sq1 = "Hello";
      CharSequence sq2 = " World";

      // create a new stream at system
      PrintWriter pw = new PrintWriter(System.out);

      // append the sequence
      pw.append(sq1, 1, 3);
      pw.append(sq2, 1, 4);

      // flush the writer
      pw.flush();

   }
}

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

elWor

java_io_printwriter.htm

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