make FloatBuffer - Java java.nio

Java examples for java.nio:FloatBuffer

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Description

make FloatBuffer

Demo Code


//package com.java2s;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;

public class Main {
    public static void main(String[] argv) throws Exception {
        float[] arr = new float[] { 34.45f, 35.45f, 36.67f, 37.78f,
                37.0000f, 37.1234f, 67.2344f, 68.34534f, 69.87700f };
        System.out.println(makeFloatBuffer(arr));
    }/*from   ww  w  . ja  v  a  2  s .com*/

    public static FloatBuffer makeFloatBuffer(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;
    }

    public static FloatBuffer makeFloatBuffer(int size) {
        ByteBuffer bb = ByteBuffer.allocateDirect(size * 4);
        bb.order(ByteOrder.nativeOrder());
        FloatBuffer fb = bb.asFloatBuffer();
        fb.position(0);
        return fb;
    }
}

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