Code example for FloatBuffer

public class MemUtil { 
	public static FloatBuffer makeFloatBufferFromArray(float[] arr) {
		ByteBuffer bb = ByteBuffer.allocateDirect(arr.length*4);
		bb.order(ByteOrder.nativeOrder());
		FloatBuffer fb = bb.asFloatBuffer();
		fb.put(arr);
		fb.position(0);
		return fb;
	} 
	 
	/** 
	 * creates a floatbuffer of the given size. 
	 * @param size 
	 * @return 
	 */ 
	public static FloatBuffer makeFloatBuffer(int size) {
		ByteBuffer bb = ByteBuffer.allocateDirect(size*4);
		bb.order(ByteOrder.nativeOrder());
		FloatBuffer fb = bb.asFloatBuffer();
		fb.position(0);