list of float to FloatBuffer - Java java.nio

Java examples for java.nio:FloatBuffer

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Description

list of float to FloatBuffer

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(list2FloatBuffer(arr));
    }//from www.  java  2s  .  co m

    public static FloatBuffer list2FloatBuffer(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);
        }
        //??????
        fbb.position(0);
        return fbb;
    }
}

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