NIO: Convert ByteBuffer to CharBuffer

Charset is used to convert ByteBuffer to CharBuffer and vice versa.

'decode' method of Charset class is used to convert a ByteBuffer to CharBuffer.

Example

ByteBuffer byteBuffer = ByteBuffer.allocate(100);

byteBuffer.put("Hello World".getBytes());

byteBuffer.flip();

CharBuffer charBuffer = Charset.forName("utf-8").decode(byteBuffer);

Test.java

package com.sample.app;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;

public class Test {

 public static void main(String... args) throws IOException {

  ByteBuffer byteBuffer = ByteBuffer.allocate(100);
  byteBuffer.put("Hello World".getBytes());

  byteBuffer.flip();
  CharBuffer charBuffer = Charset.forName("utf-8").decode(byteBuffer);

  System.out.println(charBuffer);
 }
}

Output

Hello World

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