Here you can find the source of makeByteBuffer(byte[] arr, int length)
public static ByteBuffer makeByteBuffer(byte[] arr, int length)
//package com.java2s; import java.nio.ByteBuffer; import java.nio.ByteOrder; public class Main { /**// w ww. jav a 2 s.c o m * Make a direct NIO ByteBuffer from an array of floats * @param arr The array * @return The newly created FloatBuffer */ public static ByteBuffer makeByteBuffer(byte[] arr) { ByteBuffer bb = ByteBuffer.allocateDirect(arr.length); bb.order(ByteOrder.nativeOrder()); bb.put(arr); bb.position(0); return bb; } public static ByteBuffer makeByteBuffer(byte[] arr, int length) { ByteBuffer bb = ByteBuffer.allocateDirect(length); bb.order(ByteOrder.nativeOrder()); bb.put(arr, 0, length); bb.position(0); return bb; } public static ByteBuffer makeByteBuffer(int size) { ByteBuffer bb = ByteBuffer.allocateDirect(size); bb.position(0); return bb; } }