list of float to ByteBuffer - Java java.nio

Java examples for java.nio:ByteBuffer Float

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Description

list of float to ByteBuffer

Demo Code


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

import java.util.List;

public class Main {
    public static void main(String[] argv) throws Exception {
        List arr = java.util.Arrays.asList("asdf", "java2s.com");
        System.out.println(list2ByteBuffer(arr));
    }/* w ww .  j  a v  a 2  s.c o  m*/

    public static ByteBuffer list2ByteBuffer(List<Float> arr) {

        ByteBuffer ibb = ByteBuffer.allocateDirect(arr.size() * 4);
        ibb.order(ByteOrder.nativeOrder());
        FloatBuffer fbb = ibb.asFloatBuffer();
        for (float f : arr) {
            fbb.put(f);
        }
        //??????
        ibb.position(0);
        return ibb;
    }
}

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