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src/main/java/com/thealgorithms/conversions/EndianConverter.java
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Hardik Pawar
Enhance docs, add more tests in `EndianConverter` (#5921)
26 окт 2024, 21:35
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26 окт 2024, 21:35
b5a097c
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package com.thealgorithms.conversions; /** * Utility class for converting integers between big-endian and little-endian formats. * <p> * Endianness defines how byte sequences represent multi-byte data types: * <ul> * <li><b>Big-endian</b>: The most significant byte (MSB) comes first.</li> * <li><b>Little-endian</b>: The least significant byte (LSB) comes first.</li> * </ul> * <p> * Example conversion: * <ul> * <li>Big-endian to little-endian: {@code 0x12345678} → {@code 0x78563412}</li> * <li>Little-endian to big-endian: {@code 0x78563412} → {@code 0x12345678}</li> * </ul> * * <p>Note: Both conversions in this utility are equivalent since reversing the bytes is symmetric.</p> * * <p>This class only supports 32-bit integers.</p> * * @author Hardvan */ public final class EndianConverter { private EndianConverter() { } /** * Converts a 32-bit integer from big-endian to little-endian. * * @param value the integer in big-endian format * @return the integer in little-endian format */ public static int bigToLittleEndian(int value) { return Integer.reverseBytes(value); } /** * Converts a 32-bit integer from little-endian to big-endian. * * @param value the integer in little-endian format * @return the integer in big-endian format */ public static int littleToBigEndian(int value) { return Integer.reverseBytes(value); } }