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Java big-endian的字节缓冲区中的字节排序

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Java big-endian的字节缓冲区中的字节排序,java,endianness,bytebuffer,Java,Endianness,Bytebuffer,我知道little endian和big endian在网上被解释了无数次，但我还是很困惑 如果有一个字节缓冲区设置为使用big-endian。你有： short value = 4660; // corresponds to 0x1234 当您这样做时： bb.putShort( 16, value ); 字节0x12将位于索引16，字节0x34将位于索引17。或者0x34在索引16处，0x12在索引17处？我被网上的描述弄糊涂了 谢谢 以0x12345678为例 一种看待它的方式： En

我知道little endian和big endian在网上被解释了无数次，但我还是很困惑

如果有一个字节缓冲区设置为使用big-endian。你有：

short value = 4660; // corresponds to 0x1234
当您这样做时：

bb.putShort( 16, value );
字节0x12将位于索引16，字节0x34将位于索引17。或者0x34在索引16处，0x12在索引17处？我被网上的描述弄糊涂了

谢谢

以
0x12345678
为例

一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
另一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
如果您正在寻找一种记忆方法，请注意，每种方法都有其自身的意义：

  • Big-Endian，因为它类似于我们写数字的方式（从最高数字开始）
  • 小尾端，因为最低有效字节存储在最低地址
以
0x12345678
为例

一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
另一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
如果您正在寻找一种记忆方法，请注意，每种方法都有其自身的意义：

  • Big-Endian，因为它类似于我们写数字的方式（从最高数字开始）
  • 小尾端，因为最低有效字节存储在最低地址
以
0x12345678
为例

一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
另一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
如果您正在寻找一种记忆方法，请注意，每种方法都有其自身的意义：

  • Big-Endian，因为它类似于我们写数字的方式（从最高数字开始）
  • 小尾端，因为最低有效字节存储在最低地址
以
0x12345678
为例

一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
另一种看待它的方式：

Endianess | Least Significant Byte | Most Significant Byte  | In Memory
----------|------------------------|------------------------|-----------
Big       | In The Highest Address | In The Lowest  Address | 0x12345678
----------|------------------------|------------------------|-----------
Little    | In The Lowest  Address | In The Highest Address | 0x78563412

Endianess | In The Lowest Address  | In The Highest Address | In Memory
----------|------------------------|------------------------|-----------
Big       | Most Significant Byte  | Least Significant Byte | 0x12345678
----------|------------------------|------------------------|-----------
Little    | Least Significant Byte | Most Significant Byte  | 0x78563412
如果您正在寻找一种记忆方法，请注意，每种方法都有其自身的意义：

  • Big-Endian，因为它类似于我们写数字的方式（从最高数字开始）
  • 小尾端，因为最低有效字节存储在最低地址
您可以通过编写6（！）行代码来解决这个问题

ByteBuffer allocate = ByteBuffer.allocate(2);
allocate.order(ByteOrder.BIG_ENDIAN);
allocate.putShort((short) 0x1234);
allocate.rewind();
System.out.println(Integer.toHexString(allocate.get()));
System.out.println(Integer.toHexString(allocate.get()));
提示：“大端”-ian在最后一个地址有最后一个字节。因此，内存就是您将其读取为
0x12 0x34

的方式。您可以通过编写6行（！）代码来解决这个问题

ByteBuffer allocate = ByteBuffer.allocate(2);
allocate.order(ByteOrder.BIG_ENDIAN);
allocate.putShort((short) 0x1234);
allocate.rewind();
System.out.println(Integer.toHexString(allocate.get()));
System.out.println(Integer.toHexString(allocate.get()));
提示：“大端”-ian在最后一个地址有最后一个字节。因此，内存就是您将其读取为
0x12 0x34

的方式。您可以通过编写6行（！）代码来解决这个问题

ByteBuffer allocate = ByteBuffer.allocate(2);
allocate.order(ByteOrder.BIG_ENDIAN);
allocate.putShort((short) 0x1234);
allocate.rewind();
System.out.println(Integer.toHexString(allocate.get()));
System.out.println(Integer.toHexString(allocate.get()));
提示：“大端”-ian在最后一个地址有最后一个字节。因此，内存就是您将其读取为
0x12 0x34

的方式。您可以通过编写6行（！）代码来解决这个问题

ByteBuffer allocate = ByteBuffer.allocate(2);
allocate.order(ByteOrder.BIG_ENDIAN);
allocate.putShort((short) 0x1234);
allocate.rewind();
System.out.println(Integer.toHexString(allocate.get()));
System.out.println(Integer.toHexString(allocate.get()));
提示：“大端”-ian在最后一个地址有最后一个字节。因此，内存正是您将其读取为
0x12 0x34

的方式，您为什么不编写一个简单的测试应用程序来自己解决这个问题呢？“Big-endian”意味着数字的大端位于最低的地址值。你肯定已经读过1000遍了？这会使你的问题重复。你为什么不自己编写一个简单的测试应用程序来解决这个问题呢？“Big-endian”意味着数字的大端位于最低的地址值。你肯定已经读过1000遍了？这会使你的问题重复。你为什么不自己编写一个简单的测试应用程序来解决这个问题呢？“Big-endian”意味着数字的大端位于最低的地址值。你肯定已经读过1000遍了？这会使你的问题重复。你为什么不自己编写一个简单的测试应用程序来解决这个问题呢？“Big-endian”意味着数字的大端位于最低的地址值。你肯定已经读过1000遍了？这使你的问题重复起来。