Calculator.java

Author: msrihanreddy5-code

Calculator.java

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+import java.util.*;
+
+public class SimpleCalculator {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        System.out.print("Enter first number: ");
+        double a = sc.nextDouble();
+
+        System.out.print("Enter second number: ");
+        double b = sc.nextDouble();
+
+        System.out.print("Enter operator (+ - * /): ");
+        char op = sc.next().charAt(0);
+
+        double result = 0;
+
+        switch (op) {
+            case '+': result = a + b; break;
+            case '-': result = a - b; break;
+            case '*': result = a * b; break;
+            case '/': result = b != 0 ? a / b : 0; break;
+            default: System.out.println("Invalid operator!");
+        }
+
+        System.out.println("Result = " + result);
+    }
+}