Add OneBitDifference algorithm (#5864)

src/test/java/com/thealgorithms/bitmanipulation/OneBitDifferenceTest.java

@@ -0,0 +1,15 @@
+package com.thealgorithms.bitmanipulation;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+public class OneBitDifferenceTest {
+
+    @ParameterizedTest
+    @CsvSource({"7, 5, true", "3, 2, true", "10, 8, true", "15, 15, false", "4, 1, false"})
+    void testDifferByOneBit(int x, int y, boolean expected) {
+        assertEquals(expected, OneBitDifference.differByOneBit(x, y));
+    }
+}