Java中char与byte的互转

char[] 数组转为byte[] 数组

public static byte[] getBytes(char[] chars) {
Charset cs = Charset.forName("UTF-8");
CharBuffer cb = CharBuffer.allocate(chars.length);
cb.put(chars);
cb.flip();
ByteBuffer bb = cs.encode(cb);
return bb.array();
}

byte[] 数组转为数组 char[]

public static char[] getChars(byte[] bytes) {
Charset cs = Charset.forName("UTF-8");
ByteBuffer bb = ByteBuffer.allocate(bytes.length);
bb.put(bytes);
bb.flip();
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 byteToChar(byte[] b) {
char c = (char) (((b[0] & 0xFF) << 8) | (b[1] & 0xFF));
return c;
}
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原文链接：https://blog.csdn.net/aouixh/java/article/details/80662400