Code for LowestSetBitManipulation added

src/main/java/com/thealgorithms/bitmanipulation/LowestSetBit.java

@@ -0,0 +1,22 @@
+package com.thealgorithms.bitmanipulation;
+
+public final class LowestSetBit {
+
+    /**
+     * Method to isolate the lowest set bit of a given integer.
+     * @param n the integer input
+     * @return the isolated lowest set bit or 0 if n is 0
+     */
+    public int isolateLowestSetBit(int n) {
+        return n & -n; // Works for both positive and negative
+    }
+
+    /**
+     * Method to clear the lowest set bit of a given integer.
+     * @param n the integer input
+     * @return the integer with the lowest set bit cleared
+     */
+    public int clearLowestSetBit(int n) {
+        return n & (n - 1);
+    }
+}