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style: format code (#4212)

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close #4204
This commit is contained in:
acbin
2023-06-09 18:52:05 +08:00
committed by GitHub
parent ad03086f54
commit 00282efd8b
521 changed files with 5233 additions and 7309 deletions
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33
src/main/java/com/thealgorithms/others/CRC16.java
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@ -1,7 +1,7 @@
package com.thealgorithms.others;
/**
* Generates a crc16 checksum for a given string
* Generates a crc16 checksum for a given string
*/
public class CRC16 {
@ -9,21 +9,20 @@ public class CRC16 {
System.out.println(crc16("Hello World!"));
}
public static String crc16(String message) {
int crc = 0xFFFF; // initial value
int polynomial = 0x1021; // 0001 0000 0010 0001 (0, 5, 12)
byte[] bytes = message.getBytes();
public static String crc16(String message) {
int crc = 0xFFFF; // initial value
int polynomial = 0x1021; // 0001 0000 0010 0001 (0, 5, 12)
byte[] bytes = message.getBytes();
for (byte b : bytes) {
for (int i = 0; i < 8; i++) {
boolean bit = ((b >> (7 - i) & 1) == 1);
boolean c15 = ((crc >> 15 & 1) == 1);
crc <<= 1;
if (c15 ^ bit)
crc ^= polynomial;
}
}
crc &= 0xffff;
return Integer.toHexString(crc).toUpperCase();
}
for (byte b : bytes) {
for (int i = 0; i < 8; i++) {
boolean bit = ((b >> (7 - i) & 1) == 1);
boolean c15 = ((crc >> 15 & 1) == 1);
crc <<= 1;
if (c15 ^ bit) crc ^= polynomial;
}
}
crc &= 0xffff;
return Integer.toHexString(crc).toUpperCase();
}
}