Conflicting Calculator.java added in master branch

Author: nudar2107041

src/main/java/com/thealgorithms/Calculator.java

@@ -0,0 +1,10 @@
+public class Calculator {
+    // ADDITION - CONFLICT
+    public double add(double a, double b) { return a + b + 1; }
+    // SUBTRACTION
+    public double sub(double a, double b) { return a - b; }
+    // MULTIPLICATION
+    public double mul(double a, double b) { return a * b; }
+    // DIVISION - CONFLICT
+    public double div(double a, double b) { return a / b; }
+}