feat : new bit manipulation algo FindNthBit of a number (#5731)

* feat : new algo uniquesubseqcount

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCountTest.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCountTest.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCountTest.java

* Update UniqueSubsequencesCount.java

* Update UniqueSubsequencesCountTest.java

* Update UniqueSubsequencesCountTest.java

* Update UniqueSubsequencesCountTest.java

* Update UniqueSubsequencesCount.java

* feat : new bitmanipulation algo

* feat :  new bit algo

* Update FindNthBitTest.java

* Update FindNthBit.java

---------

Co-authored-by: Alex Klymenko <alexanderklmn@gmail.com>

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

@@ -0,0 +1,39 @@
+package com.thealgorithms.bitmanipulation;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.stream.Stream;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+public final class FindNthBitTest {
+
+    /**
+     * A parameterized test that checks the value of the Nth bit for different inputs.
+     *
+     * @param num     the number whose Nth bit is being tested
+     * @param n       the bit position
+     * @param expected the expected value of the Nth bit (0 or 1)
+     */
+    @ParameterizedTest
+    @MethodSource("provideTestCases")
+    void findNthBitParameterizedTest(int num, int n, int expected) {
+        assertEquals(expected, FindNthBit.findNthBit(num, n));
+    }
+
+    /**
+     * Provides the test cases as a stream of arguments for the parameterized test.
+     *
+     * @return a stream of test cases where each case consists of a number, the bit position,
+     * and the expected result.
+     */
+    private static Stream<Arguments> provideTestCases() {
+        return Stream.of(Arguments.of(13, 2, 0), // binary: 1101, 2nd bit is 0
+            Arguments.of(13, 3, 1), // binary: 1101, 3rd bit is 1
+            Arguments.of(4, 2, 0), // binary: 100, 2nd bit is 0
+            Arguments.of(4, 3, 1), // binary: 100, 3rd bit is 1
+            Arguments.of(1, 1, 1) // binary: 1, 1st bit is 1
+        );
+    }
+}