CharsetDecoder replacement() method in Java with Examples

Last Updated : 27 Jun, 2019

The replacement() method is a built-in method of the java.nio.charset.CharsetDecoder class returns this decoder's replacement value. The replacement value needs to be set inorder to get a valid replacement value. Syntax:

public final Charset replacement()

Parameters: The function does not accepts any parameter. Return Value: The function returns this decoder's replacement value. Below is the implementation of the above function: Program 1:

Java

// Java program to demonstrate // the above function  import java.nio.charset.*; import java.util.Iterator; import java.util.Map;  public class GFG {      public static void main(String[] args)     {          // Gets the charset         Charset charset = Charset.forName("ISO-2022-CN");          // Get the CharsetDecoder         CharsetDecoder decoder = charset.newDecoder();          // Prints the CharsetDecoder         System.out.println("CharsetDecoder: " + decoder);          System.out.println("Replacement Value: "                            + decoder.replacement());     } }

Output:

  CharsetDecoder: sun.nio.cs.ext.ISO2022_CN$Decoder@232204a1  Replacement Value: ?

Program 2:

Java

// Java program to demonstrate // the above function  import java.nio.charset.*; import java.util.Iterator; import java.util.Map;  public class GFG {      public static void main(String[] args)     {          // Gets the charset         Charset charset = Charset.forName("x-windows-949");          // Get the CharsetDecoder         CharsetDecoder decoder = charset.newDecoder();          // Prints the CharsetDecoder         System.out.println("CharsetDecoder: " + decoder);          System.out.println("Replacement Value: "                            + decoder.replacement());     } }

Output:

  CharsetDecoder: sun.nio.cs.ext.DoubleByte$Decoder@232204a1  Replacement Value: ?

Reference: https://docs.oracle.com/javase/9/docs/api/java/nio/charset/CharsetDecoder.html#replacement--

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