Add Numbers Have Different Signs (#4317)

Co-authored-by: BamaCharanChhandogi <b.c.chhandogi@gmailcom>

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

@@ -0,0 +1,13 @@
+package com.thealgorithms.bitmanipulation;
+
+/**
+ * Numbers Different Signs
+ * @author Bama Charan Chhandogi
+ */
+
+public class NumbersDifferentSigns {
+
+    public static boolean differentSigns(int num1, int num2) {
+        return (num1 ^ num2) < 0;
+    }
+}