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Bit swap (#4770)

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* Create BitSwap.java

* Create BitSwapTest.java

* Update BitSwap.java

* Update BitSwap.java

* Update BitSwapTest.java

* Update BitSwap.java

* Update BitSwap.java

* Update BitSwapTest.java

* Update BitSwapTest.java

* Update src/main/java/com/thealgorithms/bitmanipulation/BitSwap.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update src/test/java/com/thealgorithms/bitmanipulation/BitSwapTest.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update BitSwap.java

* Update BitSwap.java

* Update BitSwap.java

* Update src/main/java/com/thealgorithms/bitmanipulation/BitSwap.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update src/main/java/com/thealgorithms/bitmanipulation/BitSwap.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update src/test/java/com/thealgorithms/bitmanipulation/BitSwapTest.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* style: remove redundant blank line

---------

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>
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Lukas 2023-10-15 09:03:25 +02:00 committed by GitHub
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commit 48ae88f09d
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src/main/java/com/thealgorithms/bitmanipulation/BitSwap.java Normal file
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package com.thealgorithms.bitmanipulation;
public final class BitSwap {
private BitSwap() {
}
/*
* @brief Swaps the bits at the position posA and posB from data
*/
public static int bitSwap(int data, final int posA, final int posB) {
if (SingleBitOperations.getBit(data, posA) != SingleBitOperations.getBit(data, posB)) {
data ^= (1 << posA) ^ (1 << posB);
}
return data;
}
}

13
src/test/java/com/thealgorithms/bitmanipulation/BitSwapTest.java Normal file
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package com.thealgorithms.bitmanipulation;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class BitSwapTest {
@Test
void testHighestSetBit() {
assertEquals(3, BitSwap.bitSwap(3, 0, 1));
assertEquals(5, BitSwap.bitSwap(6, 0, 1));
assertEquals(7, BitSwap.bitSwap(7, 1, 1));
}
}