CharsetDecoder maxCharsPerByte() method in Java with Examples

The maxCharsPerByte() method is a built-in method of the java.nio.charset.CharsetDecoder class which returns the maximum number of characters that will be produced for each byte of input. This value may be used to compute the worst-case size of the output buffer required for a given input sequence.

Syntax:

public final float maxCharsPerByte()

Parameters: The function does not accepts any parameter.



Return Value: The function returns the maximum number of characters that will be produced for each byte of input.

Below is the implementation of the above function:

Program 1:

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// 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 maxCharsPerByte
        System.out.println("The maxCharsPerByte for "
                           + "ISO-2022-CN is "
                           + decoder.maxCharsPerByte());
    }
}

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Output:

The maxCharsPerByte for ISO-2022-CN is 1.0

Program 2:

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// 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 maxCharsPerByte
        System.out.println("The maxCharsPerByte for "
                           + "ISO-2022-CN is "
                           + decoder.maxCharsPerByte());
    }
}

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Output:

The maxCharsPerByte for ISO-2022-CN is 1.0

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




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