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Add EndianConverter algorithm (#5751)

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This commit is contained in:
Hardik Pawar
2024-10-14 13:09:58 +05:30
committed by GitHub
parent 40f2d0cf8e
commit 5a710ea61f
3 changed files with 47 additions and 0 deletions
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2
DIRECTORY.md
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* [DecimalToBinary](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/DecimalToBinary.java)
* [DecimalToHexadecimal](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/DecimalToHexadecimal.java)
* [DecimalToOctal](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/DecimalToOctal.java)
* [EndianConverter](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/EndianConverter.java)
* [HexaDecimalToBinary](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/HexaDecimalToBinary.java)
* [HexaDecimalToDecimal](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/HexaDecimalToDecimal.java)
* [HexToOct](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/HexToOct.java)
@ -728,6 +729,7 @@
* [DecimalToBinaryTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/DecimalToBinaryTest.java)
* [DecimalToHexadecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/DecimalToHexadecimalTest.java)
* [DecimalToOctalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/DecimalToOctalTest.java)
* [EndianConverterTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/EndianConverterTest.java)
* [HexaDecimalToBinaryTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/HexaDecimalToBinaryTest.java)
* [HexaDecimalToDecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/HexaDecimalToDecimalTest.java)
* [HexToOctTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/HexToOctTest.java)

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src/main/java/com/thealgorithms/conversions/EndianConverter.java Normal file
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package com.thealgorithms.conversions;
/**
* Converts between big-endian and little-endian formats.
* Big-endian is the most significant byte first, while little-endian is the least significant byte first.
* Big-endian to little-endian: 0x12345678 -> 0x78563412
*
* Little-endian to big-endian: 0x12345678 -> 0x78563412
*
* @author Hardvan
*/
public final class EndianConverter {
private EndianConverter() {
}
public static int bigToLittleEndian(int value) {
return Integer.reverseBytes(value);
}
public static int littleToBigEndian(int value) {
return Integer.reverseBytes(value);
}
}

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src/test/java/com/thealgorithms/conversions/EndianConverterTest.java Normal file
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package com.thealgorithms.conversions;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class EndianConverterTest {
@Test
public void testBigToLittleEndian() {
assertEquals(0x78563412, EndianConverter.bigToLittleEndian(0x12345678));
assertEquals(0x00000000, EndianConverter.bigToLittleEndian(0x00000000));
assertEquals(0x00000001, EndianConverter.bigToLittleEndian(0x01000000));
}
@Test
public void testLittleToBigEndian() {
assertEquals(0x12345678, EndianConverter.littleToBigEndian(0x78563412));
assertEquals(0x00000000, EndianConverter.littleToBigEndian(0x00000000));
assertEquals(0x01000000, EndianConverter.littleToBigEndian(0x00000001));
}
}