这段代码定义了一个byteArrayToLong方法,该方法接受一个byte数组作为输入,并返回一个long值。在main方法中,我们提供了一个示例字节数组,并调用byteArrayToLong方法将其转换为long值,然后输出结果。
publicclassByteToLongConverter{publicstaticvoidmain(String[]args){// Step 1: 创建一个byte数组byte[]byteArray=newbyte[5];byteArray[0]=0x01;byteArray[1]=0x02;byteArray[2]=0x03;byteArray[3]=0x04;byteArray[4]=0x05;// Step 2: 初始化long变量longresult=0L;// Step 3: 遍历byte数组并逐...
importjava.nio.ByteBuffer;publicclassByteToLongExample{publicstaticvoidmain(String[]args){// 步骤1: 创建一个字节数组byte[]byteArray={0x12,0x34,0x56,0x78};// 步骤2: 使用 ByteBuffer 类将字节数组包装成 ByteBuffer 对象ByteBufferbuffer=ByteBuffer.wrap(byteArray);// 步骤3: 调用 ByteBuffer 对象的 g...
public byte[] longToByteArray(long x, int index) { byte[] bb = new byte[8]; bb[index + 7] = (byte) (x >> 56); bb[index + 6] = (byte) (x >> 48); bb[index + 5] = (byte) (x >> 40); bb[index + 4] = (byte) (x >> 32); bb[index + 3] = (byte) (x ...
public static long byteArrayToLong8(byte[] b) { return (long)b[9] & 0xFF | (long)(b[8] & 0xFF) << 8| (long)(b[7] & 0xFF) << 16 | (long)(b[6] & 0xFF) << 24 | (long)(b[5] & 0xFF) << 32| (long)(b[4] & 0xFF) << 40| ...
//写入3个long for(long i = 0 ; i < 3; i++){ dos.writeLong(i);} //定义一个定长的数组 byte[] result = new byte[512];ByteArrayInputStream bas = new ByteArrayInputStream(bos.toByteArray());//将输出流中的内容写到定长数组中 bas.read(result);dos.close();bas.close()...
// 三种方式运算结果对比验证DataInputStream dataInput = new DataInputStream(new ByteArrayInputStream(md5));long l1 = dataInput.readLong();long l2 = dataInput.readLong();System.out.printf("l1=0x%x l2=0x%x,DataInputStream\n", l1,l2);long ln1 = bytesToLong(md5,0, false);long ...
byte[] b = new byte[8]; for (int i = 0; i < b.length; i++) { b[i] = new Long(temp & 0xff).byteValue();// 将最低位保存在最低位 temp = temp >> 8; // 向右移8位 } return b; } //byte数组转成long public static long byteToLong(byte[] b) { ...
Next – let's use wrap the byte array into the GuavaByteSource– which then allows us toget the stream: @TestpublicvoidgivenUsingGuava_whenConvertingByteArrayToInputStream_thenCorrect()throwsIOException {byte[] initialArray = {0,1,2};InputStreamtargetStream=ByteSource.wrap(initialArray).openStream...
(); } public static String hexStringToIntegerArrayString(String hexString){ return hexStringToIntegerArrayString(hexString, INTEGER_ARRAY_STRING_SEPARATOR); } public static Integer [] hexStringToLongArray(String hexString){ if(StringUtils.isEmpty(hexString) ){// null or "" return null; } if(...