CharsetEncoder unmappableCharacterAction() method in Java with Examples

The unmappableCharacterAction() method is a built-in method of the java.nio.charset.CharsetEncoder returns this encoder’s current action for unmappable-character errors. The CodingErrorAction are of three types IGNORE, REPLACE and REPORT.

Syntax:

public CodingErrorAction unmappableCharacterAction()

Parameters: The function does not accepts any parameter.



Return Value: The function returns the current unmappable-character action, which is never null.

Below is the implementation of the above function:

Program 1:

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// Java program to implement
// the above function
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
  
public class Main {
    public static void main(String[] args) throws Exception
    {
        // Gets the encoder
        CharsetEncoder encoder = Charset.forName("UTF16").newEncoder();
  
        // Prints CodingErrorAction
        System.out.println(encoder.unmappableCharacterAction());
    }
}

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Output:

REPORT

Program 2:

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// Java program to implement
// the above function
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
  
public class Main {
    public static void main(String[] args) throws Exception
    {
        // Gets the encoder
        CharsetEncoder encoder = Charset.forName("US-ASCII").newEncoder();
  
        // Prints CodingErrorAction
        System.out.println(encoder.unmappableCharacterAction());
    }
}

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Output:

REPORT

Reference: https://docs.oracle.com/javase/10/docs/api/java/nio/charset/CharsetEncoder.html#unmappableCharacterAction()



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