Java IO Tutorial - Java ByteBuffer.put(int index, byte b)








Syntax

ByteBuffer.put(int index, byte b) has the following syntax.

public abstract ByteBuffer put(int index,  byte b)

Example

In the following code shows how to use ByteBuffer.put(int index, byte b) method.

/*from w  ww.j a va2 s.  co  m*/

import java.nio.ByteBuffer;
import java.util.Arrays;

public class Main {
  public static void main(String[] argv) throws Exception {
    ByteBuffer bbuf = ByteBuffer.allocate(10);
    int capacity = bbuf.capacity(); // 10
    System.out.println(capacity);
    bbuf.put(0,(byte)2);
    
    System.out.println(Arrays.toString(bbuf.array()));
  }
}

The code above generates the following result.