对于ASCII字符(其Unicode值在0到127之间),可以直接转换为 byte 而不会丢失信息。但对于Unicode的其他字符(如汉字),转换为一个 byte 会丢失信息,因此通常需要将 char 分解为两个 byte(高8位和低8位)。 以下是一个简单的代码示例,展示了如何将 char 转换为 byte 数组: java public class CharToByteConversion ...
在Java中,char是采用Unicode编码的,而byte通常是一个8位的数字(-128到127)。要将char转换为byte,可以采用字符编码(如UTF-8): // 将char转换为byte数组byte[]byteArray=String.valueOf(character).getBytes();// 将字符转为字符串后获取字节数组System.out.println("转换成的byte数组: "+Arrays.toString(byteA...
// 输出原始 char 和转换后的 charSystem.out.println("Original char: "+character);// 输出:Original char: ASystem.out.println("Converted byte: "+byteValue);// 输出:Converted byte: 65System.out.println("Converted back to char: "+convertedChar);// 输出:Converted back to char: A 1. 2. 3...
CharBuffer cb = cs.decode(bb); return cb.array(); } char 转 byte[] 数组 public static byte[] charToByte(char c) { byte[] b = new byte[2]; b[0] = (byte) ((c & 0xFF00) >> 8); b[1] = (byte) (c & 0xFF); return b; } byte[] 数组转 char public static char byt...
Java Byte[] array 字节复制 原始的写法 Stringkey="abcdef0123456789"; keyBytes = key.getBytes(UTF_8); for(byteb : keyBytes) { charc=(char) b; System.out.print(c); } stream lamda IntStream.range(0, keyBytes.length).mapToObj(i -> (char) keyBytes[i]).forEach(System.out::print)...
= new char [] {'a','b'};byte [] by = new byte[ch.length];for(int i= 0; i<ch.length ; ++i){by[i] = (byte)ch[i];System.out.println(by[i]);}输出的是 97 98char []acCharArray = new char[...];... ...byte [] abByteArray = String.valueOf(acCharArray...
} length = hex.length() / 2; char[] hexChars = hex.toCharArray(); byte[] d = new byte[length]; for (int i = 0; i < length; i++) { int pos = i * 2; d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1])); } ...
* @return 转换后的byte数组结果 */publicstaticbyte[]hexToByteArray(String inHex){int hexlen=inHex.length();byte[]result;if(hexlen%2==1){//奇数hexlen++;result=newbyte[(hexlen/2)];inHex="0"+inHex;}else{//偶数result=newbyte[(hexlen/2)];}int j=0;for(int i=0;i<hexlen;i+=...
byte b [] = bOutput.toByteArray(); System.out.println("Print the content"); for(int x= 0 ; x < b.length; x++) { // 打印字符 System.out.print((char)b[x] + " "); } System.out.println(" "); int c; ByteArrayInputStream bInput = new ByteArrayInputStream(b); ...
System.out.println("contents of byte array in UTF-16 encoding: " + Arrays.toString(utf16)); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } Output : length of byte array in UTF-16 charater encoding : 18 contents of byte array in UTF-16 encoding: [-2, -1, 0, ...