Java examples for java.lang:byte Array Convert
Convert double value to byte array.
//package com.java2s; import javax.annotation.Nonnull; import java.nio.ByteBuffer; public class Main { public static void main(String[] argv) throws Exception { double value = 2.45678; System.out.println(java.util.Arrays.toString(doubleToBytes(value))); }/*from w w w . ja va 2 s. c o m*/ /** * Convert double value to byte array. */ @Nonnull public static byte[] doubleToBytes(double value) { return ByteBuffer.allocate(Double.BYTES).putDouble(value).array(); } }